904L Check Valve

Product Detail

MATECH 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 

Brand	MATECH
Valve Test	100% quantity tested before delivery
Valve Guarantee	18 months after shipments and 12 months after installed
Valve Structure	Alloy Valve
Valve Delivery	15 - 30 days
Valve Sample	Sample Available by Matech Valve
Valve Color	Customer request
Valve Packing	Plywood Case for Ball Valve
MOQ	1 Set
Valve Certificate	API6D/CE/ISO9001/ISO14001
Place of Origin	Zhejiang, China (Mainland)
Delivery Detail:	Shipped in 15-30 days after payment
Port	Shanghai Or Ningbo
Payment Terms	L/C,D/A,D/P,T/T, Western Union