
Compact Steel Welded Bonnet Swing Type Y Pattern Check Valve (GAH64Y)
We goal to understand excellent disfigurement from the manufacturing and supply the top support to domestic and abroad clients wholeheartedly for Duplex Steel Valves, Non-Slam Nozzle Check Valve, Unidirectional Kinfe Gate Valve. We are committed to technological innovation, the pursuit of quality and work wholeheartedly with customers to create a better future. We actively improve the management level and production capacity, so that we always maintain competitiveness in the fierce market competition, and achieve rapid and stable development. Our company will adhere to the business philosophy of taking technology as the guide, quality as the core, and quality as the service. Guests and friends from all walks of life are welcome to visit and guide! We firmly believe that we will do better!
Product Details
NSV The “Y”-Pattern check valve is a modified version of a standard check valve.
“Y”-Pattern check Valves are generally used to protect pumps or similar equipment, allowing the flow in only one direction and preventing flow reversal due to back pressure with the best possible effort for laminar flow and increased CV.
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: A105,LF2,F91,F11,F22,F304,F304L,F316,F316L,F321,F51,Alloy steel etc.
Trim: Per API 602
Design Features
Standard port
Plug disc
Flanged, butt-welded, socket- welded, or threaded ends

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 420 | A276 304 | A276 304(L) | A276 316(L) |
3 | Bonnet | A105 | A182 F22 | A182 F304(L) | A182 F316(L) |
4 | Nameplate | SS | |||
Suitable Medium | W.O.G.etc | W.O.G.etc | HNO3,CH3OOH 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.

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.
Our range of products, total sales volume, and product quality are all leading in the Compact Steel Welded Bonnet Swing Type Y Pattern Check Valve (GAH64Y) industry. We have international advanced production equipment and high-quality management personnel, looking forward to working with you to create a win-win situation. We have a scientific management system, a high-quality workforce, advanced technology and equipment, and have become a reliable strategic partner chosen by many customers and suppliers.
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