API Class 150 & Class 300 Cast Steel Stainless Steel Valve Swing Check Valve

We believe that our high quality C95800 Butterfly Valve, WB Forged Check Valve, Cryogenic Forged Gate Valve and mature services can meet the highest standards of our customers. On the basis of introducing and digesting advanced technology, we independently research and develop and constantly innovate and forge ahead. The successful of our company is inseparable from the understanding and support of friends from all walks of life in the society, as well as the care and favor of new and old customers for many years. With the spirit of 'pursuit of excellence', we constantly improve the quality of our products and make continuous improvement to satisfy our customers. We will create a better future together with you! We practice the quality policy of 'creating brand effect, being honest and fast, and satisfying customer needs', and are committed to developing extensive cooperation with friends from all walks of life at home and abroad, and go hand in hand to create brilliant future.

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.

Our company adheres to the development strategy of internal management and external market, and wholeheartedly creates the latest and best new API Class 150 & Class 300 Cast Steel Stainless Steel Valve Swing Check Valve for the majority of new and old customers and provides the most satisfactory service. Your inquiry might be extremely welcomed plus a win-win prosperous development are what we've been expecting. We strive to achieve the industry's leading level in terms of business scale and market share, and even have a significant impact on the industry.