
Alloy Pressure Sealing Bonnet Gate Valve
We persevere in the development of technological innovation, integrate the most advanced technology into our product production, and strive to create perfect Full Bore Lubricated Plug Valve, Fully Welded Ball Valves, Pressure Seal Bonnet Forged Gate Valve. Our company has won the recognition and praise of our customers with advanced technology, high-quality products and thoughtful service and laid a good foundation for our company to go to the world. 'Great care to create the brand' is our business philosophy. In addition to continuously developing more high-quality products, we are also capable of providing customers with unique professional services. We are adhering to the corporate tenet of 'creating value', and the perfect sales channels, service systems and marketing networks ensure our professional image.
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.
All of our Alloy Pressure Sealing Bonnet Gate Valve are independently researched and acquired by our unique technology to make sure that they can be upgraded and updated constantly. We have enough ability to solve various problems for customers and provide the best quality service. Our company is willing to establish a long-term strategic partnership of mutual benefit and win-win cooperation with more companies around the world. Our company expands its business by increasing the variety of products and services.
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