Non Return Valve Butterfly Check Valve Dual-Plate Wafer Check Valve

Our Hastelloy G30 Butterfly Valve, Flanged Fully Welded Ball Valve, Hastelloy B2 Globe Valve is designed and manufactured carefully on the basis of many years of production based on the needs of the majority of customers, integrating the features of products of other brands. We will go with our customers with our outstanding quality, considerate service, professional team to create common honor and dream. Looking back on the past and looking forward to the future, we will continue to introduce new innovations with strict requirements.

  NSV Double disc check valves are mainly used for the pipelines which medium is one-way flow, only allowing medium to flow in one direction, in order to prevent accidents.They are widely used in water source projects, urban water supply and drainage, sewage treatment, electric power,petroleum, petrochemical, heat supply and metallurgy industries etc.Suitable medium include water, sewage, sea water, steam, air, foodstuff, oils, nitric acid, strong oxidizing medium and urea etc.

• Applicable Standard
  To API594
  Face to face per ANSI B 16.10
  Flange ends dimension ANSI B 16.5/ANSI B 16.47
  Final inspection tests to API598.

• Products Range
  Size: 1/2" ~ 48" (DN15 ~ DN1200)
  Rating: ANSI 150lb-2500lb 
  Body Materials: Ni-Al-Bronze(B148 C95800,C95500,C95400)
  Trim: Ni-Al-Bronze(B148 C95800,C95500,C95400)

• Design Features:
  Built in Double-disc wafer swing check valve
  Retainerless
  Metal seal or rubber seal.

Structure Performance:
1.Structure length is short.
2.Small volume, light weight.
3.Unobstructed channel, small fluid resistance.
4.Action is sensitive, sealed performance is good.
5.Simple and compact structure, attractive appearance.
6.Long using life and high reliability.

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).

We are going to dedicate ourselves to providing our esteemed buyers together with the most enthusiastically thoughtful products and services for Non Return Valve Butterfly Check Valve Dual-Plate Wafer Check Valve. With our superb management, potent technical capability and strict quality command procedure, we go on to provide our shoppers with trustworthy high-quality, reasonable costs and outstanding services. We insist that the quality standards of each product must be higher than the industry one level to ensure the products can achieve uniform standards and consistent quality.