Pressure Sealed Swing Check Valves (high pressure)
The Through Conduit Knife Gate Valve, Sleeve Plug Valves, Dual Plate Wafer Check Valve we produce is fully compliant with market standards and has achieved outstanding results with excellent production technology and high quality. With the guiding ideology of "win-win with partners", our company continues to share quality products, professional services, and profit points with partners. Our Company Services Division in good faith for the purpose of the quality of survival. Our products have been tested in the market for many years, with stable quality and professional and meticulous service, and have won wide recognition from customers. We strictly abide by corporate ethics, contract and keep promises.
Product Details
NSV PSB Forged globe valves are designed and manufactured to provide maximum service life and dependability. As this Pressure Seal Bonnet(PSB) almost for high pressure like class900,1500lb,2500lb ,its convenient for repair and maintain.
Design Features
Full port or reduced port design
General or needle disc
Pressure Seal Bonnet (PSB)
Flanged, butt-welded, socket- welded, or threaded ends
Optional Y structure
Standard Material Specifications
| NO. | Part Name | CS to ASTM | AS to ASTM | SS to ASTM | |
Type A105T | Type A182 F22 | Type A182 F304 | Type A182 F316(L) | ||
1 | Body | A105 | A182 F22 | A182 F304(L) | A182 F316(L) |
2 | Disc | A276 420 | A276 304 | A276 304(L) | A276 316(L) |
3 | Stem | A182 F6 | A182 F304 | A182 F304(L) | A182 F316(L) |
4 | Pressure Seat | A105 | A182 F304 | A182 F304(L) | A182 F316(L) |
5 | Pressure Ring | A182 F304 L | A182 F316L | ||
6 | Bonnet | A105 | A182 F22 | A182 F304(L) | A182 F316(L) |
7 | Pin | A276 420 | A182 F304 | ||
8 | P.S.Washer | A105 | A182 F22 | A182 F304(L) | A182 F316(L) |
9 | P.S.Lock Nut | A194 2H | A194 4 | A194 8 | A194 8M |
10 | Stem Packing | Corrugated SS + Graphite | SS+PTFE | ||
11 | Gland | A276 420 | A182 F304 | ||
12 | Gland Flange | A216 WCB | A351 CF8 | ||
13 | Gland Eyebolt | A193 B7 | A193 B16 | A193 B8 | A193 B8M |
14 | Gland Nut | A194 2H | A194 4 | A194 8 | A194 8M |
15 | Yoke Nut | A276 410 | |||
16 | Handwheel | A197 | |||
17 | Nameplate | SS | |||
18 | H.W.Nut | A194 2H | A194 4 | A194 8 | A194 8M |
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.
STRUCTURAL FEATURES
PARABOLIC DISC TRIM TYPE
Characteristic:Linear.This plug covers all Cv ranges and is especially suitable for low differential pressures.
NEEDLE TRIM TYPE
Needle trim design is suitable for use where low valve CV values or low flows are required.
BALL DISC TRIM TYPE
The ball disc is used where the applications involve low pressure and low temperature systems.Though the ball disc can be used for throttling purpose.
FAQ
1.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.
2. 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.
3. 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.
Adhering to the principle of first-class quality, high efficiency and low price, our company constantly provides customers with various high-quality Pressure Sealed Swing Check Valves (high pressure). What is more, we have our own archives mouths and markets in China at low cost. We pursue innovation that is critical to both our customers and our company, while driving it fast and efficiently.
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