F51 F51 F53 F55 Duplex Stainless Steel Wafer Type Check Valves Non Return Valve

We use superb production technology, advanced testing equipment, perfect scientific management system, and fast logistics to continue to improve customer satisfaction with our Incoloy 825 Gate Valve, A494 CW12MW Ball Valve, PSB Check Valve. Our company mission is that providing high quality and beautiful products with reasonable price and strive to gain 100% good reputation from our clients. Our company has a group of excellent design, production, management and service talents, and always guarantees user satisfaction with advanced design, meticulous manufacturing and perfect service. We adhere to the tenet of quality for survival and innovation for development, and vigorously introduces domestic and foreign talents, technology and production equipment. We adopt the development concept of openness, tolerance, cooperation and win-win.

  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 have successfully developed F51 F51 F53 F55 Duplex Stainless Steel Wafer Type Check Valves Non Return Valve with superior performance and are in a leading position among the peers. Our company's business philosophy is that the ever-increasing needs of customers are the driving force behind our progress. We are dedicated to providing you with the best products and the most thoughtful service with professional management concepts, high quality products, and the business philosophy of excellence.