Russian GOST Standard Cast Steel Stainless Steel Flanged Swing Check Valve Py16 Py25 Py40 Py63

With the mission of 'creating value for customers, increasing welfare for employees, and creating wealth for society', we strive to provide customers with high-quality products and considerate services, and contribute to the development of Cast Top Entry Ball Valve, Metal Seated Trunnion Ball Valve, Flanged Concentric Butterfly Valve industry. We use advanced processing equipment and strict quality management system, while providing customers with professional design and technical guidance, products are popular both at home and board. We have introduced fully automatic modern production lines and advanced equipment in order to meet the needs of the market. And then E-mail us your specifications or inquiries today.

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 the changes and demands of the market, the company has developed a series of Russian GOST Standard Cast Steel Stainless Steel Flanged Swing Check Valve Py16 Py25 Py40 Py63 with the most advanced design technology and perfect service system. In recent years, our company's products have been successfully sold to many provinces and overseas. The company vigorously expands foreign trade and develops foreign trade business. We establish sales outlets and technical service centers to achieve rapid service response time and provide strong guarantees for timely solutions to user needs.