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904L Check Valve

904L Check Valve
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    Product Details:

NSV cast steel swing check valves are widely used in the industries of oil, chemical, medicine-made, fertilizer, city construction, etc. The swing type check valve is designed as full bore full open structure in order to clean the pipeline; large size check valve can be designed as buffering damp structure in order to protect seat seal surface and reduce the damage of pipeline at water hammer status. Seat seal surface overlaid with wearing resistant hardened alloy to be matched with disc seal surface; the stem is specially treated to ensure its strength, rigidity, corrosion resistance and abrasion resistance. Valves are available in a complete range of body/bonnet materials and trims, which are widely used for the medium of water, steam, oil product, nitric acid, acetic acid, oxygenation, etc.
 
Applicable Standard
 Design Standard: BS 1868, ASME B16.34, API 6D, DIN2533
 Face to Face: ASME B16.10, API 6D, EN 558, DIN 3202
 End Flange: ASME B16.5, ASME B16.47, DIN2501, DIN2533
 Buttwelding Ends: ASME B16.25, DIN3239
 Inspection and Test: API 598, DIN3230
 
Products Range
 Size: 2" ~ 24" (DN50 ~ DN600)
 Rating: ANSI 150lb-1500lb
 Body Materials: Stainless Steel, Alloy Steel, Duplex Steel
 Trim: Per API 600
 
Design Features
 Full open design
 Bolted cover.
 Swing type disc design
 Optional buffering damp structure
 Renewable or and welded seat
 Flanged or buttwelding ends

 
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    More information:
If you have any enquiry about quotation or cooperation, please feel free to email us at sales@nsvvalve.com or use the following enquiry form. Our sales representative will contact you within 24 hours. Thank you for your interest in our products.
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