High Quality Industrial Cast Steel Cast Iron Ductile Iron Flange End Swing Check Valve

While using the 'Client-Oriented' organization philosophy, a rigorous top quality command process, highly developed production devices and a potent R&D workforce, we normally provide high quality products, outstanding solutions and aggressive charges for F51 Gate Valve, Inconel 600 Gate Valve, Titanium C2 Plug Valve. We are sincerely hope to establish one good long term business relationship with your esteemed company thought this opportunity, based on equal, mutual beneficial and win win business from now till the future. Our company has strong production strength and becoming the backbone of the industry development and also leading the rapid development of the industry. Always pursued the tenet of excellence and honest user, we are willing to sincerely cooperate with all customers and friends for common development!

Product Details

NSV Cast Steel Swing check valves, like all check valves, are used to prevent back flow in the line. The pressure of the fluid passing through a system opens the valve, while any reversal of flow will close the valve. The swing check valve functions by allowing flow forces to move the closure element, it is a hinged clapper which swings or rotates around a supporting shaft.

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
Butt welding 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
Renewable or and welded seat
Flanged or butt welding ends

STRUCTURAL FEATURES

◎ Body--Cover

Precision machined castings.
Exclusive: Disc shaft does not penetrate body.

◎ Body and Cover

Body and cover joint: Accurately machined,
fully-enclosed gasket.

◎Disc

Robust one-piece construction to withstand the severe shock of check valve service. Hardfaced with 13Cr, CoCr alloy, SS 316, or Monel, ground and lapped to a mirror finish. Sizes NPS 2–6 (DN 50–150) may have solid CA 15 (13Cr) disc. SS 316 disc with CoCr alloy facing also available.

FAQ

1.Q: What’s the brand of your company can supply ?

A:NSV or OEM service

2.Q: Do u provide sample,is it free or extra ?

A: Yes, we could offer the sample, due to its value,we can supply free sample that small value and you afford the freight,but also welcome visit our factory to inspect quality.

3.Q: What’s your payment terms?

A: As our company’s policy, we normally have bellow 3 payment terms,it also can negotiation both parties before confirm order.
1) 100% T/T or West Union in advance that order value within $2,000.00USD.

2)30% T/T advance+70% balance after the shipment for the order value above $2,000.00USD.

3)L/C at sight for the order value above $50,000.00USD.

With advanced technologies and facilities, strict quality control, reasonable price, superior service and close co-operation with customers, we are devoted to providing the best value for High Quality Industrial Cast Steel Cast Iron Ductile Iron Flange End Swing Check Valve. To become a great company and realize its lofty ideals, it is necessary to shape unique and excellent values ​​and outlook on life for the members of the organization, and make the right choices. After years of steady development, we have established strategic cooperation relationship with many famous brands at home and abroad. We hope that in the future, we will become your best partner and grow together.