Rubber Full Lining Wafer Dual Plate Butterfly Check Valve

Since the establishment, our company has always practiced the concept of science-led development, accumulated experience in the Monel 400 Gate Valve, Cryogenic Forged Globe Valve, Monoflange Valve field, so as to provide users with high-quality and reliable products. We always adhere to the corporate philosophy of building a brand with quality and enhancing a brand with service, and use excellent products and good after-sales service as a strong backing for customer business development. Welcome everyone to come and guide! Our business policy is guided by technology, based on integrity and product quality, guaranteed by service, pursuing excellence to build a brand. Our company has always adhered to the business tenet of 'brand management, reputation and business' and the quality policy of 'today's quality, tomorrow's market', creating a corporate culture of 'performance-oriented, building a learning enterprise' and pursuing the sustainable development of the enterprise. We always adhere to the behavior responsibility of corporate citizens and make unremitting efforts in innovative product development, internal mechanism improvement, creating opportunities for partners and improving customer satisfaction, which has laid a solid foundation for our long-term development.

  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.

Meanwhile, our company staffs a team of experts devoted to the development of Rubber Full Lining Wafer Dual Plate Butterfly Check Valve. With the continuous growth of the company's business, we have established a professional technical team, sales and after-sales network by virtue of the strategic cooperation policy of 'advanced technology, excellent quality, integrity and win-win'. The company has set up a quick return production line to meet current market demand.