
Forged Steel Y Pattern Swing Check Valve, Lift Check Valve (YH61Y-800LB)
We aim to create more value for our customers with our rich resources, advanced machinery, experienced workers and excellent services for Tilting Disc Wafer-Flange Check Valve, CW6M Sleeve Plug Valve, Flanged Fully Welded Ball Valve. We insist on using high-end technology and equipment to ensure the success of our products, so that customers will always be satisfied and we can get the best results for the customer's product development. We also continue to improve our operations and strive to be better. Over the years, our company has always adhered to the principle of valuing contracts and keeping faith, and has been unanimously recognized by the whole industry and customers. The company will expand the market based on realism and pioneering, with enterprising and innovation as the development goal. Our company insist on constantly innovating according to customers' demands and enhancing the brand's added value with high-quality services.
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.
We adhere to the development philosophy of innovation, professionalism, and win-win, providing customers with high-quality Forged Steel Y Pattern Swing Check Valve, Lift Check Valve (YH61Y-800LB) that integrate perfect design and overall service. Customer first, reputation first is our unremitting pursuit and also is our consistent commitment to new and old customers We advocate innovative learning, using scientific and technological knowledge to achieve innovation in thinking, system, management and technology.
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