
Stainless Steel Ductile Iron Ggg40 Ggg50 Wafer Dual Plate Butterfly Check Valve
We combined with many years of practical experience and developed a series of Monel 400 Gate Valve, Jacketed Sleeve Plug Valve, Inconel 600 Gate Valve. With the sincere support and care from all walks of life, the company has a considerable scale of production, processing capacity and perfect market service system after years of hard work and careful management. Give us a probability, provide you with a surprise. We constantly develop new products to maximize its advantages.
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.
Our rewards are lower costs, dynamic profits team, specialised QC, potent factories, high-quality services for Stainless Steel Ductile Iron Ggg40 Ggg50 Wafer Dual Plate Butterfly Check Valve. If you are interested in any of our products, please feel free to contact us. Over the years, our company has established a good reputation in the industry with high-quality products, excellent services, and integrity management.
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