{"id":18684,"date":"2026-05-27T06:44:59","date_gmt":"2026-05-27T06:44:59","guid":{"rendered":"https:\/\/oudianvalve.com\/?post_type=product&p=18684"},"modified":"2026-05-27T06:51:34","modified_gmt":"2026-05-27T06:51:34","slug":"150lb-cf3m-swing-check-valvedn40rf-end","status":"publish","type":"product","link":"https:\/\/oudianvalve.com\/es\/products\/check-valves\/150lb-cf3m-swing-check-valvedn40rf-end\/","title":{"rendered":"150LB CF3M Swing Check Valve,DN40,RF End"},"content":{"rendered":"
150LB CF3M Swing Check Valve<\/div>\n
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Product Overview<\/strong><\/div>\n
The 150LB CF3M Swing Check Valve<\/strong> is a heavy-duty, automatic non-return valve designed to prevent backflow and protect critical equipment in low-pressure, highly corrosive piping systems. Cast from premium CF3M (316L Stainless Steel)<\/strong> with an ultra-low carbon content, this valve provides exceptional resistance to intergranular corrosion and chloride pitting, making it an ideal choice for challenging chemical, industrial, and marine environments.<\/div>\n
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Key Features<\/strong><\/div>\n
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  • Superior Corrosion Resistance:<\/strong> The CF3M material features ultra-low carbon (\\(\\le 0.03\\%\\)), which eliminates carbide precipitation during welding and ensures maximum structural integrity in corrosive media.<\/span><\/li>\n
  • Full-Port Flow Design:<\/strong> The swing-type disc moves entirely out of the flow path when fully open, ensuring minimal flow resistance, low pressure drop, and high energy efficiency.<\/span><\/li>\n
  • Reliable Zero-Leakage Sealing:<\/strong> Precision-machined, metal-to-metal or resilient seating faces provide a tight seal under gravity and fluid backpressure.<\/span><\/li>\n
  • Easy Inline Maintenance:<\/strong> The Bolted Bonnet (BB) design allows quick access to the valve internals (disc, arm, and pin) for inspection or cleaning without removing the body from the pipeline.<\/span><\/li>\n
  • Bi-directional Integrity:<\/strong> Rugged body construction absorbs pipeline stresses and thermal expansion effectively.<\/span><\/li>\n

    <\/ul>\n

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    Technical Specifications<\/strong><\/div>\n
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    • Design & Manufacture:<\/strong> API 6D \/ BS 1868 \/ ASME B16.34<\/span><\/li>\n
    • Pressure Rating:<\/strong> Class 150 (150LB)<\/span><\/li>\n
    • Size Range:<\/strong> 2″ to 24″ (DN50 to DN600)<\/span><\/li>\n
    • Face-to-Face Dimensions:<\/strong> ASME B16.10<\/span><\/li>\n
    • End Flange Dimensions:<\/strong> ASME B16.5 (Raised Face – RF)<\/span><\/li>\n
    • Test & Inspection:<\/strong> API 598 \/ API 6D<\/span><\/li>\n
    • Body Material:<\/strong> ASTM A351 Gr. CF3M (Cast 316L Stainless Steel)<\/span><\/li>\n
    • Trim Material:<\/strong> Stainless Steel 316L \/ Stellite Face (Optional)<\/span><\/li>\n
    • Working Temperature:<\/strong> -196\u00b0C to 425\u00b0C (depending on seal and gasket materials)<\/span><\/li>\n

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      Primary Applications<\/strong><\/div>\n
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      • Chemical & Petrochemical Processing:<\/strong> Handling organic acids, fatty acids, and aggressive chemical mediums.<\/span><\/li>\n
      • Water Treatment & Desalination:<\/strong> Ideal for reverse osmosis (RO) systems, brine solutions, and wastewater treatment.<\/span><\/li>\n
      • Pulp & Paper Industry:<\/strong> Managing bleaching agents, corrosive black\/white liquors, and process slurries.<\/span><\/li>\n
      • Marine & Offshore Engineering:<\/strong> Reliable performance in shipbuilding, offshore platforms, and seawater cooling loops.<\/span><\/li>\n
      • Food & Pharmaceuticals:<\/strong> Clean-in-place (CIP) friendly and highly sanitary.<\/span><\/li>\n<\/ul>\n
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        FAQ: 150LB CF3M Swing Check Valve<\/h1>\n
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        1. What is the difference between CF3M and CF8M for a check valve?<\/div>\n
        The main difference is the carbon content:<\/div>\n
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        • CF3M (316L equivalent)<\/strong> has an ultra-low carbon limit of \\(\\le 0.03\\%\\)<\/strong>.<\/span><\/li>\n
        • CF8M (316 equivalent)<\/strong> allows up to \\(\\le 0.08\\%\\)<\/strong> carbon.<\/span>\n
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          The lower carbon in CF3M prevents chromium carbide precipitation during welding or high-temperature casting. This keeps the valve joints safe from intergranular corrosion<\/strong> (weld decay).<\/div>\n
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           <\/p>\n","protected":false},"excerpt":{"rendered":"

          China 150LB CF3M Swing Check Valve,DN40 CF3M Swing Check Valve,RF EndCF3M Swing Check Valve,CF3M Swing Check Valve Factory.<\/p>","protected":false},"featured_media":18685,"template":"","meta":{"advanced_seo_description":"","jetpack_seo_html_title":"","jetpack_seo_noindex":false},"product_brand":[],"product_cat":[82],"product_tag":[776,773,774,775],"class_list":{"0":"post-18684","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-check-valves","7":"product_tag-cf3m-swing-check-valve-factory","8":"product_tag-china-150lb-cf3m-swing-check-valve","9":"product_tag-dn40-cf3m-swing-check-valve","10":"product_tag-rf-endcf3m-swing-check-valve","12":"first","13":"instock","14":"shipping-taxable","15":"product-type-simple"},"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/oudianvalve.com\/es\/wp-json\/wp\/v2\/product\/18684","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oudianvalve.com\/es\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/oudianvalve.com\/es\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oudianvalve.com\/es\/wp-json\/wp\/v2\/media\/18685"}],"wp:attachment":[{"href":"https:\/\/oudianvalve.com\/es\/wp-json\/wp\/v2\/media?parent=18684"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/oudianvalve.com\/es\/wp-json\/wp\/v2\/product_brand?post=18684"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/oudianvalve.com\/es\/wp-json\/wp\/v2\/product_cat?post=18684"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/oudianvalve.com\/es\/wp-json\/wp\/v2\/product_tag?post=18684"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}