Croygenic Swing Check Valve

After years of exploration and production experience accumulation, we have updated our understanding and practical actions in Slurry Knife Gate Valve, Cast Top Entry Ball Valve, Titanium F21 Gate Valve production, research and development, independent innovation and cooperation with customers. Our company always implements a rigorous quality control system, with a sound sales network and service system. Our business philosophy is 'manufacturing high-quality goods, serving the world', all employees warmly welcome to cooperate with friends at home and abroad to create brilliant. 'Customer first' is our tenet as always, and we will continue to make unremitting efforts to provide practical products and thoughtful services for the global customers.

  NSV F55 Forged Swing Check valves,its produced one piece that’s stronger than an equivalent casted parts.like all check valves, are used to prevent back flow in the line. it is high cracking corrosion resistance to chloride environment,high corrosion resistance to dilute sulphuric acid and phosphoric acid,that suitable for Pulp and paper mills,chemical processes,and seawater service.

• Applicable Standard
  Design Standard: API 602, ASME B16.34, BS 5352, DIN3352
  Face to Face: ASME B16.10, EN 558, DIN3202
  End Flange: ASME B16.5, DIN2533
  Butt welding Ends:   ASME B16.25, DIN3239
  Socket Welded Ends:  ASME B16.11
  Threaded Ends:     ASME B1.20.1
  Inspection and Test:    API 598, DIN3230
   

• Products Range
  Size:  1/2" ~ 2"(DN15 ~ DN50)
  Rating:   ANSI 150lb ~2500lb
   
  Body Materials: Duplex Stainless steel(A182 F51,F53,F55).
  Trim: Duplex Stainless steel(A182 F51,F53,F55)
   
  

• Design Features
  Full port or reduced port design 
  Swing disc 
  Bolted bonnet(B.B),Welded bonnet(W.B),Pressure Seal Bonnet(P.S.B) also available.
  Flanged, butt-welded, socket- welded, or threaded ends

BODY-BONNET CONNECTION:BOLTED-BONNET 

  NSV Standard construction of boy-bonnet connection is bolted,with s apiral wound gasket to seal the connection.

  On request we offer as well Ring Joint connection,Ring Joint that’s for high pressure on class 2500lb bolted bonnet,als on request on other pressure class.

FAQ

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

A:NSV or OEM service

2.Q:I want to know how to contact the person in charge.

A: When you call representative call number of company(86-577-67378616), sales team will receive your call if there is no special situation. If you let us know your inquiry, we will put you through to the person in charge. If you need a personal phone number, you have to receive it from the person in charge directly after phone call.

3. Q: What's the valves warranty?
  A: Our valves warranty period should be 18 months from the date of shipment or 12 months after installation, whichever occurs first.

4. Q:How can I get a quote?

A: If you request quote by preparing the product spec you want to request specifically through “Contact us or Feedback” of homepage, we will send reply to you ASAP. If the contents of homepage are not available, you can inquire to us via phone(86-577-67378616) or fax(86-577-67372367).

5.Q:Is there have MOQ?

  A：No.we can accept 1set,but there have additional cost $150.00(process of export) if the order value within $2000.00.

We are committed to becoming a well-known Croygenic Swing Check Valve solution provider and manufacturer of recognized by international customers. The company has a team of high-quality marketing personnel, who are responsible for product sales, quality tracking and after-sales service. At the same time, they also establish customer files and customer information feedback system. Our aim is to control quality superior to domestic and international standards to meet customers' expectations and requirements for product quality.