CS/A216 Wcb/SS316/CF8m Bb OS&Y Sdnr Flanged Screw Down Non-Return Valve (Stop Check Valve) ...
Our company develops, manufactures, and sells advanced Trunnion Mounted Ball Valves, Al-Bronze Alloy Valves, SS904L Check Valve for a broad range of customers around the world. Our quality service allows us to obtain trust and loyalty with our customers. We provide good quality but unbeatable low price and the best service. In the long-term operation and management, we have established good cooperative partnership with enterprises all over the world with our good reputation and the import and export volume of our company has also been growing rapidly. Our company has always pursued the tenet of 'Innovation centered on science and technology, and after-sales service centered on users', and strives to provide customers with cost-effective products to improve their competitiveness in the market. Our development path is to move towards branding.
Product Details
NSV BB Forged Check valves, like all check valves, are used to prevent back flow in the line.Valve standard design is the valve bolted cover(bonnet) from class 150lb to 1500lb,The inside can piston(ball) disc and also have swing disc design.
Standard Material Specifications
| NO. | Part Name | CS to ASTM | AS to ASTM | SS to ASTM | |
Type A105 | Type F22 | Type F304(L) | Type F316(L) | ||
1 | Body | A105 | A182 F22 | A182 F304(L) | A182 F316(L) |
2 | Piston Disc | A276 410 | A276 304 | A276 304(L) | A276 316(L) |
3 | Gasket | Corrugated SS + graphite | SS + PTFE | ||
4 | Bonnet | A105 | A182 F22 | A182 F304 L | A182 F316(L) |
5 | Nameplate | SS | |||
6 | Bolt | A193 B7 | A193 B16 | A193 B8M | A193 B8M |
7 | Ball | A182 F304 | A182 F304 | A182 F304 | A182 F304 |
Suitable Medium | W.O.G.etc | W.O.G.etc | HNO3CH3OOH etc | ||
Suitable Temperature | -29℃~425℃ | -29℃~550℃ | -29℃~180℃ | ||
Note: Other materials are available upon request. CS=Carbon Steel; AS=Alloy Steel; SS=Stainless Steel.
BODY-COVER CONNECTION:BOLTED-COVER
NSV Standard construction of boy-cover 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:Does your company have any agent/distributor with the exception of China?
A: At present,we have agent in Indonesia,Singapore,Canada,Mexico,Iraq,and welcome contact us if you would like to join us.
2. Q:Does “NSV” valves have supply to any value end user?
A:Yes,,it just like PETROKIMIA GRESIK in Indonesia, BP Iraq,ESFAHAN MOBARAKEH STEEL In Iran etc.
3. Q:Are you manufacturer or trading company?
A: We’re manufacturer,but our factory name is not named NSV due to we’re professional in promotion NSV brand with best service,and also have sold to many end user success.
We are wholeheartedly committed to providing users with more competitive CS/A216 Wcb/SS316/CF8m Bb OS&Y Sdnr Flanged Screw Down Non-Return Valve (Stop Check Valve) ... products and solutions. We have a professional technical team which can continuously absorb the latest information and technologies to provide customers with the latest products. We always follow the principle 'Quality Very first, Prestige Supreme'.
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