{"id":18700,"date":"2026-05-29T05:25:01","date_gmt":"2026-05-29T05:25:01","guid":{"rendered":"https:\/\/oudianvalve.com\/?p=18700"},"modified":"2026-05-29T05:25:42","modified_gmt":"2026-05-29T05:25:42","slug":"gate-valve-types","status":"publish","type":"post","link":"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/","title":{"rendered":"Gate Valve Types"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Gate_Valve_Types_Explained_Wedge_Parallel_Slide_Slab_Knife_and_Special_Gate_Valve_Designs\" >Gate Valve Types Explained: Wedge, Parallel Slide, Slab, Knife and Special Gate Valve Designs<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#What_Is_a_Gate_Valve\" >What Is a Gate Valve?<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Main_Characteristics_of_Gate_Valves\" >Main Characteristics of Gate Valves<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Main_Components_of_a_Gate_Valve\" >Main Components of a Gate Valve<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Valve_Body\" >Valve Body<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Gate_or_Disc\" >Gate or Disc<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Seats\" >Seats<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Stem\" >Stengel<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Bonnet\" >Bonnet<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Packing_and_Gland\" >Packing and Gland<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Actuator_or_Handwheel\" >Actuator or Handwheel<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Major_Types_of_Gate_Valves\" >Major Types of Gate Valves<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#1_Wedge_Gate_Valve\" >1. Wedge Gate Valve<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Types_of_Wedge_Gate_Valves\" >Types of Wedge Gate Valves<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Solid_Wedge_Gate_Valve\" >Solid Wedge Gate Valve<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Flexible_Wedge_Gate_Valve\" >Flexible Wedge Gate Valve<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Split_Wedge_Gate_Valve\" >Split Wedge Gate Valve<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Advantages\" >Vorteile<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Disadvantages\" >Nachteile<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Applications\" >Anwendungen<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#2_Parallel_Slide_Gate_Valve\" >2. Parallel Slide Gate Valve<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Advantages-2\" >Vorteile<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Disadvantages-2\" >Nachteile<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Applications-2\" >Anwendungen<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#3_Slab_Gate_Valve\" >3. Slab Gate Valve<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Advantages-3\" >Vorteile<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Disadvantages-3\" >Nachteile<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Applications-3\" >Anwendungen<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#4_Knife_Gate_Valve\" >4. Knife Gate Valve<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Advantages-4\" >Vorteile<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Disadvantages-4\" >Nachteile<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-32\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Applications-4\" >Anwendungen<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-33\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#5_Rising_Stem_vs_Non-Rising_Stem_Gate_Valve\" >5. Rising Stem vs Non-Rising Stem Gate Valve<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-34\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Rising_Stem_Gate_Valve\" >Rising Stem Gate Valve<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-35\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Advantages-5\" >Vorteile<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-36\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Disadvantages-5\" >Nachteile<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-37\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Non-Rising_Stem_Gate_Valve\" >Absperrschieber mit nicht steigender Spindel<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-38\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Advantages-6\" >Vorteile<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-39\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Disadvantages-6\" >Nachteile<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-40\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Special_Gate_Valve_Designs\" >Special Gate Valve Designs<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-41\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Pressure_Seal_Gate_Valve\" >Druckverschlussschieber<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-42\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Cryogenic_Gate_Valve\" >Cryogenic Gate Valve<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-43\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Bellows_Seal_Gate_Valve\" >Bellows Seal Gate Valve<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-44\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Through-Conduit_Expanding_Gate_Valve\" >Through-Conduit Expanding Gate Valve<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-45\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Gate_Valve_Materials\" >Gate Valve Materials<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-46\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Gate_Valve_Standards\" >Gate Valve Standards<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-47\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Common_Gate_Valve_Standards\" >Common Gate Valve Standards<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-48\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#API_600\" >API 600<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-49\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#API_602\" >API 602<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-50\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#API_6D\" >API 6D<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-51\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#ASME_B1634\" >ASME B16.34<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-52\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#DIN_Standards\" >DIN Standards<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-53\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#BS_Standards\" >BS Standards<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-54\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Gate_Valve_vs_Other_Valve_Types\" >Gate Valve vs Other Valve Types<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-55\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Common_Gate_Valve_Problems\" >Common Gate Valve Problems<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-56\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Seat_Leakage\" >Seat Leakage<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-57\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Stem_Leakage\" >Stem Leakage<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-58\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Thermal_Binding\" >Thermal Binding<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-59\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Corrosion\" >Corrosion<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-60\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Cavitation_Damage\" >Cavitation Damage<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-61\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Actuator_Failure\" >Actuator Failure<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-62\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#How_to_Select_the_Right_Gate_Valve\" >How to Select the Right Gate Valve<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-63\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Media_Type\" >Medientyp<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-64\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Pressure_and_Temperature\" >Druck und Temperatur<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-65\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Valve_Size\" >Valve Size<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-66\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Connection_Type\" >Connection Type<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-67\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Operation_Method\" >Operation Method<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-68\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Industry_Standards\" >Industriestandards<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-69\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Maintenance_Tips_for_Gate_Valves\" >Maintenance Tips for Gate Valves<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-70\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Recommended_Maintenance_Practices\" >Recommended Maintenance Practices<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-71\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Frequently_Asked_Questions\" >Frequently Asked Questions<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-72\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#What_is_the_difference_between_a_gate_valve_and_a_globe_valve\" >What is the difference between a gate valve and a globe valve?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-73\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Can_gate_valves_be_used_for_throttling\" >Can gate valves be used for throttling?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-74\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Which_gate_valve_is_best_for_slurry\" >Which gate valve is best for slurry?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-75\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#What_is_a_full-port_gate_valve\" >What is a full-port gate valve?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-76\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Why_do_gate_valves_leak\" >Why do gate valves leak?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-77\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#What_industries_use_slab_gate_valves\" >What industries use slab gate valves?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-78\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#What_is_the_difference_between_rising_stem_and_non-rising_stem_gate_valves\" >What is the difference between rising stem and non-rising stem gate valves?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-79\" href=\"https:\/\/oudianvalve.com\/de\/2026\/05\/gate-valve-types\/#Conclusion\" >Abschluss<\/a><\/li><\/ul><\/nav><\/div>\n<h1><span class=\"ez-toc-section\" id=\"Gate_Valve_Types_Explained_Wedge_Parallel_Slide_Slab_Knife_and_Special_Gate_Valve_Designs\"><\/span>Gate Valve Types Explained: Wedge, Parallel Slide, Slab, Knife and Special Gate Valve Designs<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p class=\"isSelectedEnd\">Gate valves are among the most widely used isolation valves in industrial piping systems. Their ability to provide full flow with minimal pressure loss makes them essential in industries such as oil &amp; gas, petrochemical processing, water treatment, power generation, mining, and marine engineering.<\/p>\n<p class=\"isSelectedEnd\">Different operating environments require different gate valve designs. Choosing the correct valve type is critical for system safety, sealing reliability, maintenance costs, and long-term operational efficiency.<\/p>\n<p class=\"isSelectedEnd\">In this guide, we will explain the major gate valve types, including wedge gate valves, parallel slide gate valves, slab gate valves, knife gate valves, and specialty designs. We will also discuss their working principles, advantages, disadvantages, applications, materials, standards, and selection considerations.<\/p>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h1><span class=\"ez-toc-section\" id=\"What_Is_a_Gate_Valve\"><\/span>What Is a Gate Valve?<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>&nbsp;<\/p>\n<p class=\"isSelectedEnd\">A gate valve is a linear motion valve used primarily for isolation service. It controls flow by raising or lowering a gate-like disc inside the valve body. When fully open, the gate is completely removed from the flow path, allowing unrestricted fluid flow with very low pressure drop.<\/p>\n<p class=\"isSelectedEnd\">Unlike globe valves or control valves, gate valves are not designed for throttling applications. Operating a gate valve partially open can cause vibration, erosion, and damage to the seating surfaces.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Main_Characteristics_of_Gate_Valves\"><\/span>Main Characteristics of Gate Valves<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul data-spread=\"false\">\n<li>Full-port flow design<\/li>\n<li>Minimal pressure loss<\/li>\n<li>Tight shutoff capability<\/li>\n<li>Bi-directional flow operation<\/li>\n<li>Suitable for high pressure and high temperature applications<\/li>\n<li>Available in a wide range of materials and pressure classes<\/li>\n<\/ul>\n<p class=\"isSelectedEnd\">Gate valves are commonly manufactured according to standards such as API 600, API 602, API 6D, ASME B16.34, and DIN specifications.<\/p>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h1><span class=\"ez-toc-section\" id=\"Main_Components_of_a_Gate_Valve\"><\/span>Main Components of a Gate Valve<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p class=\"isSelectedEnd\">Understanding the basic structure of a gate valve helps users select the proper valve for industrial applications.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Valve_Body\"><\/span>Valve Body<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"isSelectedEnd\">The valve body is the main pressure-containing component connected to the pipeline.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Gate_or_Disc\"><\/span>Gate or Disc<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"isSelectedEnd\">The gate acts as the closure element that moves vertically to stop or allow fluid flow.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Seats\"><\/span>Seats<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"isSelectedEnd\">Seats provide sealing surfaces between the gate and valve body.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Stem\"><\/span>Stengel<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"isSelectedEnd\">The stem transfers motion from the handwheel or actuator to the gate.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Bonnet\"><\/span>Bonnet<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"isSelectedEnd\">The bonnet encloses the valve internals and maintains pressure integrity.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Packing_and_Gland\"><\/span>Packing and Gland<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"isSelectedEnd\">These components prevent leakage around the stem area.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Actuator_or_Handwheel\"><\/span>Actuator or Handwheel<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"isSelectedEnd\">Gate valves may be manually operated or automated using electric, pneumatic, or hydraulic actuators.<\/p>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h1><span class=\"ez-toc-section\" id=\"Major_Types_of_Gate_Valves\"><\/span>Major Types of Gate Valves<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p class=\"isSelectedEnd\">Several gate valve designs are available to meet different industrial requirements.<\/p>\n<h1><span class=\"ez-toc-section\" id=\"1_Wedge_Gate_Valve\"><\/span>1. Wedge Gate Valve<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-18363 size-medium\" src=\"https:\/\/oudianvalve.com\/wp-content\/uploads\/2025\/06\/dn125-pn63-gate-valve-gs-c25-din-3352-en-1984-225x300.jpg\" alt=\"wedge gate valve\" width=\"225\" height=\"300\" \/><\/p>\n<p class=\"isSelectedEnd\">The wedge gate valve is the most common type used in industrial systems. It features a wedge-shaped disc that seals tightly against inclined seats.<\/p>\n<p class=\"isSelectedEnd\">Because of its excellent sealing performance, wedge gate valves are widely used in high-pressure and high-temperature systems.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Types_of_Wedge_Gate_Valves\"><\/span>Types of Wedge Gate Valves<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Solid_Wedge_Gate_Valve\"><\/span>Solid Wedge Gate Valve<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"isSelectedEnd\">The solid wedge design is simple, strong, and suitable for demanding operating conditions. However, thermal expansion may occasionally cause binding.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Flexible_Wedge_Gate_Valve\"><\/span>Flexible Wedge Gate Valve<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"isSelectedEnd\">Flexible wedge valves contain a small groove around the disc edge, allowing slight flexibility. This design improves sealing performance during temperature fluctuations.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Split_Wedge_Gate_Valve\"><\/span>Split Wedge Gate Valve<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"isSelectedEnd\">Split wedge designs use two separate disc halves to improve seat alignment and reduce sealing stress.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Advantages\"><\/span>Vorteile<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul data-spread=\"false\">\n<li>Excellent sealing capability<\/li>\n<li>Strong mechanical structure<\/li>\n<li>Suitable for high pressure applications<\/li>\n<li>Reliable shutoff performance<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Disadvantages\"><\/span>Nachteile<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul data-spread=\"false\">\n<li>High operating torque<\/li>\n<li>Slower opening and closing<\/li>\n<li>Not suitable for throttling<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Applications\"><\/span>Anwendungen<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"isSelectedEnd\">Wedge gate valves are commonly used in:<\/p>\n<ul data-spread=\"false\">\n<li>Oil &amp; gas pipelines<\/li>\n<li>Steam systems<\/li>\n<li>Petrochemical plants<\/li>\n<li>Thermal power stations<\/li>\n<li>Industrial water systems<\/li>\n<\/ul>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h1><span class=\"ez-toc-section\" id=\"2_Parallel_Slide_Gate_Valve\"><\/span>2. Parallel Slide Gate Valve<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p class=\"isSelectedEnd\">Parallel slide gate valves use parallel discs instead of wedge-shaped gates. Sealing is achieved by mechanical or pressure-assisted seating force.<\/p>\n<p class=\"isSelectedEnd\">These valves are particularly suitable for high-temperature and high-pressure steam applications because thermal expansion has less effect on seat alignment.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Advantages-2\"><\/span>Vorteile<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul data-spread=\"false\">\n<li>Reduced thermal binding risk<\/li>\n<li>Good sealing performance in steam systems<\/li>\n<li>Lower seat wear<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Disadvantages-2\"><\/span>Nachteile<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul data-spread=\"false\">\n<li>More complex internal structure<\/li>\n<li>Higher manufacturing cost<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Applications-2\"><\/span>Anwendungen<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"isSelectedEnd\">Parallel slide gate valves are widely used in:<\/p>\n<ul data-spread=\"false\">\n<li>Power plants<\/li>\n<li>Steam distribution systems<\/li>\n<li>Boiler systems<\/li>\n<li>High-temperature industrial services<\/li>\n<\/ul>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h1><span class=\"ez-toc-section\" id=\"3_Slab_Gate_Valve\"><\/span>3. Slab Gate Valve<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p class=\"isSelectedEnd\">A slab gate valve is a through-conduit full-bore gate valve commonly used in oil and gas transmission pipelines.<\/p>\n<p class=\"isSelectedEnd\">The valve contains a single slab gate with a full-opening bore equal to the pipeline diameter. This design minimizes turbulence and pressure loss while allowing pipeline pigging operations.<\/p>\n<p class=\"isSelectedEnd\">Slab gate valves are often designed with double block and bleed functionality for improved operational safety.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Advantages-3\"><\/span>Vorteile<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul data-spread=\"false\">\n<li>Durchgehende Bohrung<\/li>\n<li>Minimal pressure drop<\/li>\n<li>Excellent for piggable pipelines<\/li>\n<li>Reliable sealing performance<\/li>\n<li>Suitable for long-distance transportation systems<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Disadvantages-3\"><\/span>Nachteile<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul data-spread=\"false\">\n<li>Large size and weight<\/li>\n<li>Higher manufacturing cost<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Applications-3\"><\/span>Anwendungen<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"isSelectedEnd\">Slab gate valves are widely used in:<\/p>\n<ul data-spread=\"false\">\n<li>Crude oil pipelines<\/li>\n<li>Natural gas transmission<\/li>\n<li>Pipeline manifolds<\/li>\n<li>Offshore oil platforms<\/li>\n<li>Refinery transportation systems<\/li>\n<\/ul>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h1><span class=\"ez-toc-section\" id=\"4_Knife_Gate_Valve\"><\/span>4. Knife Gate Valve<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<figure id=\"attachment_18701\" aria-describedby=\"caption-attachment-18701\" style=\"width: 750px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-18701 size-full\" src=\"https:\/\/oudianvalve.com\/wp-content\/uploads\/2026\/05\/Knife-gate-valve.jpg\" alt=\"knife gate valve\" width=\"750\" height=\"750\" \/><figcaption id=\"caption-attachment-18701\" class=\"wp-caption-text\">knife gate valve<\/figcaption><\/figure>\n<p class=\"isSelectedEnd\">Knife gate valves are specially designed for handling slurry, viscous fluids, and media containing solid particles or fibers.<\/p>\n<p class=\"isSelectedEnd\">Unlike conventional gate valves, knife gate valves use a sharp-edged blade capable of cutting through thick media during operation.<\/p>\n<p class=\"isSelectedEnd\">Their simple structure and self-cleaning action make them ideal for severe service environments.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Advantages-4\"><\/span>Vorteile<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul data-spread=\"false\">\n<li>Excellent for slurry handling<\/li>\n<li>Suitable for fiber-containing media<\/li>\n<li>Lightweight structure<\/li>\n<li>Lower cost compared with other industrial valves<\/li>\n<li>Reduced clogging risk<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Disadvantages-4\"><\/span>Nachteile<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul data-spread=\"false\">\n<li>Limited pressure capability<\/li>\n<li>Not ideal for high-pressure systems<\/li>\n<li>Lower sealing performance than wedge gate valves<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Applications-4\"><\/span>Anwendungen<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"isSelectedEnd\">Knife gate valves are widely used in:<\/p>\n<ul data-spread=\"false\">\n<li>Mining operations<\/li>\n<li>Pulp and paper industry<\/li>\n<li>Wastewater treatment<\/li>\n<li>Chemical slurry systems<\/li>\n<li>Cement plants<\/li>\n<li>Food processing systems<\/li>\n<\/ul>\n<p class=\"isSelectedEnd\">Because of their ability to handle abrasive and viscous fluids, knife gate valves are often preferred in industries where conventional valves may fail due to clogging or media buildup.<\/p>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h1><span class=\"ez-toc-section\" id=\"5_Rising_Stem_vs_Non-Rising_Stem_Gate_Valve\"><\/span>5. Rising Stem vs Non-Rising Stem Gate Valve<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p class=\"isSelectedEnd\">Gate valves may also be classified according to stem design.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Rising_Stem_Gate_Valve\"><\/span>Rising Stem Gate Valve<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"isSelectedEnd\">In a rising stem design, the stem moves upward during valve opening. Operators can visually determine valve position.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Advantages-5\"><\/span>Vorteile<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul data-spread=\"false\">\n<li>Easy position indication<\/li>\n<li>Reduced internal thread exposure<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Disadvantages-5\"><\/span>Nachteile<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul data-spread=\"false\">\n<li>Requires more installation space<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Non-Rising_Stem_Gate_Valve\"><\/span>Absperrschieber mit nicht steigender Spindel<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"isSelectedEnd\">In non-rising stem valves, the stem rotates without vertical movement.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Advantages-6\"><\/span>Vorteile<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul data-spread=\"false\">\n<li>Compact design<\/li>\n<li>Suitable for underground installations<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Disadvantages-6\"><\/span>Nachteile<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul data-spread=\"false\">\n<li>Internal stem threads contact process media<\/li>\n<li>Valve position is less visible<\/li>\n<\/ul>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h1><span class=\"ez-toc-section\" id=\"Special_Gate_Valve_Designs\"><\/span>Special Gate Valve Designs<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p class=\"isSelectedEnd\">Several specialty gate valve designs are developed for unique industrial requirements.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Pressure_Seal_Gate_Valve\"><\/span>Druckverschlussschieber<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"isSelectedEnd\">Used in high-pressure and high-temperature applications such as power plants.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cryogenic_Gate_Valve\"><\/span>Cryogenic Gate Valve<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"isSelectedEnd\">Designed for extremely low-temperature services involving LNG and industrial gases.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Bellows_Seal_Gate_Valve\"><\/span>Bellows Seal Gate Valve<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"isSelectedEnd\">Prevents stem leakage in hazardous or toxic fluid applications.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Through-Conduit_Expanding_Gate_Valve\"><\/span>Through-Conduit Expanding Gate Valve<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"isSelectedEnd\">Provides double sealing and reduced seat wear in pipeline systems.<\/p>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h1><span class=\"ez-toc-section\" id=\"Gate_Valve_Materials\"><\/span>Gate Valve Materials<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p class=\"isSelectedEnd\">Material selection significantly affects valve performance, corrosion resistance, and service life.<\/p>\n<table>\n<tbody>\n<tr>\n<th>Material<\/th>\n<th>Vorteile<\/th>\n<th>Typical Applications<\/th>\n<\/tr>\n<tr>\n<td>Cast Iron<\/td>\n<td>Economical<\/td>\n<td>Water systems<\/td>\n<\/tr>\n<tr>\n<td>Carbon Steel<\/td>\n<td>High strength<\/td>\n<td>Oil &amp; gas<\/td>\n<\/tr>\n<tr>\n<td>Edelstahl<\/td>\n<td>Corrosion resistance<\/td>\n<td>Chemical processing<\/td>\n<\/tr>\n<tr>\n<td>Alloy Steel<\/td>\n<td>Hohe Temperaturbest\u00e4ndigkeit<\/td>\n<td>Power plants<\/td>\n<\/tr>\n<tr>\n<td>Bronze\/Brass<\/td>\n<td>Good seawater resistance<\/td>\n<td>Marine applications<\/td>\n<\/tr>\n<tr>\n<td>Duplex Stainless Steel<\/td>\n<td>Superior corrosion resistance<\/td>\n<td>Offshore systems<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p class=\"isSelectedEnd\">Material selection should consider:<\/p>\n<ul data-spread=\"false\">\n<li>Fluid type<\/li>\n<li>Pressure<\/li>\n<li>Temperature<\/li>\n<li>Corrosion conditions<\/li>\n<li>Abrasion level<\/li>\n<\/ul>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h1><span class=\"ez-toc-section\" id=\"Gate_Valve_Standards\"><\/span>Gate Valve Standards<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p class=\"isSelectedEnd\">Industrial gate valves are manufactured according to international standards to ensure <a href=\"https:\/\/www.valvemagazine.com\">quality<\/a>, interchangeability, and safety.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Common_Gate_Valve_Standards\"><\/span>Common Gate Valve Standards<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"API_600\"><\/span><a href=\"https:\/\/www.api.org\">API 600<\/a><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"isSelectedEnd\">Covers bolted bonnet steel gate valves for petroleum and natural gas industries.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"API_602\"><\/span>API 602<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"isSelectedEnd\">Applies to compact forged steel gate valves.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"API_6D\"><\/span>API 6D<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"isSelectedEnd\">Specifies pipeline valves used in oil and gas transportation systems.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"ASME_B1634\"><\/span><a href=\"https:\/\/www.asme.org\">ASME B16.34<\/a><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"isSelectedEnd\">Defines pressure-temperature ratings and design requirements.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"DIN_Standards\"><\/span>DIN Standards<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"isSelectedEnd\">Widely used in European industrial systems.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"BS_Standards\"><\/span>BS Standards<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p class=\"isSelectedEnd\">British standards for industrial valve manufacturing.<\/p>\n<p class=\"isSelectedEnd\">These standards regulate:<\/p>\n<ul data-spread=\"false\">\n<li>Pressure ratings<\/li>\n<li>Face-to-face dimensions<\/li>\n<li>Testing procedures<\/li>\n<li>Fire-safe requirements<\/li>\n<li>Material specifications<\/li>\n<\/ul>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h1><span class=\"ez-toc-section\" id=\"Gate_Valve_vs_Other_Valve_Types\"><\/span>Gate Valve vs Other Valve Types<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p class=\"isSelectedEnd\">Selecting the right valve requires understanding the differences between various valve designs.<\/p>\n<table>\n<tbody>\n<tr>\n<td>Ventiltyp<\/td>\n<td>Beste Verwendung<\/td>\n<td>Druckabfall<\/td>\n<td>Throttling Capability<\/td>\n<\/tr>\n<tr>\n<td>Absperrschieber<\/td>\n<td>Isolation service<\/td>\n<td>Very low<\/td>\n<td>Poor<\/td>\n<\/tr>\n<tr>\n<td>Absperrventil<\/td>\n<td>Flow control<\/td>\n<td>Hoch<\/td>\n<td>Excellent<\/td>\n<\/tr>\n<tr>\n<td>Kugelhahn<\/td>\n<td>Schnelle Abschaltung<\/td>\n<td>Very low<\/td>\n<td>Limited<\/td>\n<\/tr>\n<tr>\n<td>Absperrklappe<\/td>\n<td>Gro\u00dfe Pipelines<\/td>\n<td>Medium<\/td>\n<td>Moderate<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p class=\"isSelectedEnd\">Gate valves are generally preferred when full flow and tight isolation are required.<\/p>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h1><span class=\"ez-toc-section\" id=\"Common_Gate_Valve_Problems\"><\/span>Common Gate Valve Problems<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p class=\"isSelectedEnd\">Although gate valves are reliable, operational issues may occur due to improper installation, wear, or harsh operating conditions.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Seat_Leakage\"><\/span>Seat Leakage<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"isSelectedEnd\">Often caused by debris, erosion, or damaged sealing surfaces.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Stem_Leakage\"><\/span>Stem Leakage<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"isSelectedEnd\">Usually related to worn packing materials or improper gland adjustment.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Thermal_Binding\"><\/span>Thermal Binding<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"isSelectedEnd\">Occurs when thermal expansion prevents proper gate movement.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Corrosion\"><\/span>Corrosion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"isSelectedEnd\">Chemical attack may damage internal components and reduce valve lifespan.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cavitation_Damage\"><\/span>Cavitation Damage<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"isSelectedEnd\">High-velocity flow conditions can damage seating surfaces.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Actuator_Failure\"><\/span>Actuator Failure<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"isSelectedEnd\">Electrical or pneumatic actuator malfunctions may affect valve operation.<\/p>\n<p class=\"isSelectedEnd\">Proper maintenance and periodic inspection help minimize these issues.<\/p>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h1><span class=\"ez-toc-section\" id=\"How_to_Select_the_Right_Gate_Valve\"><\/span>How to Select the Right Gate Valve<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p class=\"isSelectedEnd\">Choosing the correct gate valve depends on several operating factors.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Media_Type\"><\/span>Medientyp<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"isSelectedEnd\">Determine whether the fluid is:<\/p>\n<ul data-spread=\"false\">\n<li>Clean liquid<\/li>\n<li>Steam<\/li>\n<li>Gas<\/li>\n<li>Slurry<\/li>\n<li>Corrosive chemical<\/li>\n<li>Wastewater<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Pressure_and_Temperature\"><\/span>Druck und Temperatur<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"isSelectedEnd\">Select appropriate pressure class and material.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Valve_Size\"><\/span>Valve Size<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"isSelectedEnd\">Gate valves are available in a wide range of diameters for industrial piping systems.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Connection_Type\"><\/span>Connection Type<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"isSelectedEnd\">Common end connections include:<\/p>\n<ul data-spread=\"false\">\n<li>Flanged<\/li>\n<li>Butt weld<\/li>\n<li>Socket weld<\/li>\n<li>Threaded<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Operation_Method\"><\/span>Operation Method<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"isSelectedEnd\">Gate valves may be:<\/p>\n<ul data-spread=\"false\">\n<li>Manual<\/li>\n<li>Electric actuated<\/li>\n<li>Pneumatic actuated<\/li>\n<li>Hydraulic actuated<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Industry_Standards\"><\/span>Industriestandards<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"isSelectedEnd\">Ensure compliance with project specifications and international standards.<\/p>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h1><span class=\"ez-toc-section\" id=\"Maintenance_Tips_for_Gate_Valves\"><\/span>Maintenance Tips for Gate Valves<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p class=\"isSelectedEnd\">Regular maintenance improves valve reliability and extends service life.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Recommended_Maintenance_Practices\"><\/span>Recommended Maintenance Practices<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul data-spread=\"false\">\n<li>Periodically inspect stem packing<\/li>\n<li>Lubricate moving components<\/li>\n<li>Operate valves regularly to prevent sticking<\/li>\n<li>Inspect seats for wear or corrosion<\/li>\n<li>Verify actuator performance<\/li>\n<li>Replace damaged sealing components promptly<\/li>\n<\/ul>\n<p class=\"isSelectedEnd\">Preventive maintenance is especially important in high-pressure and corrosive environments.<\/p>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h1><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions\"><\/span>Frequently Asked Questions<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<h2><span class=\"ez-toc-section\" id=\"What_is_the_difference_between_a_gate_valve_and_a_globe_valve\"><\/span>What is the difference between a gate valve and a globe valve?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"isSelectedEnd\">Gate valves are designed for isolation service, while globe valves are mainly used for flow regulation.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Can_gate_valves_be_used_for_throttling\"><\/span>Can gate valves be used for throttling?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"isSelectedEnd\">No. Gate valves should normally operate fully open or fully closed.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Which_gate_valve_is_best_for_slurry\"><\/span>Which gate valve is best for slurry?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"isSelectedEnd\">Knife gate valves are ideal for slurry and fiber-containing media.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_is_a_full-port_gate_valve\"><\/span>What is a full-port gate valve?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"isSelectedEnd\">A full-port valve has an internal bore equal to the pipeline diameter, minimizing pressure loss.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Why_do_gate_valves_leak\"><\/span>Why do gate valves leak?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"isSelectedEnd\">Common causes include seat damage, worn packing, corrosion, or debris inside the valve.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_industries_use_slab_gate_valves\"><\/span>What industries use slab gate valves?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"isSelectedEnd\">Oil &amp; gas transmission systems commonly use slab gate valves.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_is_the_difference_between_rising_stem_and_non-rising_stem_gate_valves\"><\/span>What is the difference between rising stem and non-rising stem gate valves?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p class=\"isSelectedEnd\">Rising stem valves provide visible position indication, while non-rising stem valves save installation space.<\/p>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h1><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Abschluss<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p class=\"isSelectedEnd\">Gate valves remain one of the most important isolation valves in modern industrial piping systems. From wedge gate valves used in high-pressure applications to knife gate valves designed for slurry handling and slab gate valves for pipeline transportation, each design offers unique operational advantages.<\/p>\n<p class=\"isSelectedEnd\">Understanding the differences between gate valve types, materials, sealing structures, and operating mechanisms helps engineers and industrial buyers select the most suitable valve for long-term reliability and performance.<\/p>\n<p>As a professional industrial valve manufacturer, NTGD Valve provides high-quality gate valves manufactured according to international standards for demanding industrial applications worldwide.<\/p>","protected":false},"excerpt":{"rendered":"<p>Gate Valve Types Explained: Wedge, Parallel Slide, Slab, Knife and Special Gate Valve Designs Gate valves are among the most widely used isolation valves in industrial piping systems. Their ability to provide full flow with minimal pressure loss makes them essential in industries such as oil &amp; gas, petrochemical processing, water treatment, power generation, mining, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":18701,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"advanced_seo_description":"","jetpack_seo_html_title":"","jetpack_seo_noindex":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1],"tags":[785,623,786],"class_list":["post-18700","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news","tag-gate-valve-types","tag-knife-gate-valve","tag-wedge-gate-valves"],"jetpack_featured_media_url":"https:\/\/oudianvalve.com\/wp-content\/uploads\/2026\/05\/Knife-gate-valve.jpg","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/oudianvalve.com\/de\/wp-json\/wp\/v2\/posts\/18700","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oudianvalve.com\/de\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/oudianvalve.com\/de\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/oudianvalve.com\/de\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/oudianvalve.com\/de\/wp-json\/wp\/v2\/comments?post=18700"}],"version-history":[{"count":1,"href":"https:\/\/oudianvalve.com\/de\/wp-json\/wp\/v2\/posts\/18700\/revisions"}],"predecessor-version":[{"id":18702,"href":"https:\/\/oudianvalve.com\/de\/wp-json\/wp\/v2\/posts\/18700\/revisions\/18702"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oudianvalve.com\/de\/wp-json\/wp\/v2\/media\/18701"}],"wp:attachment":[{"href":"https:\/\/oudianvalve.com\/de\/wp-json\/wp\/v2\/media?parent=18700"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/oudianvalve.com\/de\/wp-json\/wp\/v2\/categories?post=18700"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/oudianvalve.com\/de\/wp-json\/wp\/v2\/tags?post=18700"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}