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Swing Check Valve
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.
DESCRIPTION
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: Carbon Steel, 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
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: Carbon Steel, 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
Inquiry
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 soon. Thank you for your interest in our products.
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