
API 600 API 603 BS1414 Stellile Overlay Trim Renewable Seat Double Disc Parallel Slide Parallel Solid Wedge Flanged Gate Valve
Our company hope sincerely cooperate with numerous clients, and we promise that we will offer high quality Pneumatic Actuator Butterfly Valve, Cast Top Entry Ball Valve, Plastic Valves and sincere service to the customers! In the process of continuous innovation, change, and challenging high goals, each of us has continued to improve. Customer satisfaction is our driving force, please feel free to contact us! All employees of the company will take every day of work as the first day to participate in work and constantly develop, innovate and forge ahead.
Product Details
NSV Pressure Seal Forged steel gate valves are intended for high pressure,high temperature applications in all types of fluid except where severe coking is factor. The design and material selections provide excellent service in steam-generation stations,industrial chemical plants and thermal power plants.Most pressure seal gate valves are offered in forged steel body design for 2” and within size.
"
Design Features
Solid wedge gate
Full port or reduced port design
Pressure sealed bonnet(PSB)
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 | Seat | A276 420 | A276 304 | A276 304(L) | A276 316(L) |
3 | Wedge | A276 430&410 | A182 F304 | A182 F304(L) | A182 F316(L) |
4 | Stem | A182 F6 | A182 F304 | A182 F304(L) | A182 F316(L) |
5 | Pressure Seat | A105 | A182 F304 | A182 F304(L) | F316(L) |
6 | Pressure Ring | A276 304L | A276 316L | ||
7 | Bonnet | A105 | A182 F22 | A182 F304(L) | A182 F316(L) |
8 | Gland Eyebolt | A193 B7 | A193 B16 | A193 B8(M) | |
9 | Pin | A276 420 | A182 F304(L) | ||
10 | Stem Packing | Flexible Graphite | PTFE | ||
11 | P.S. Lock Nut | A194 2H | A194 4 | A194 8 | A194 8M |
12 | Gland | A276 F420 | A182 F304 | ||
13 | Gland Flange | A216 WCB | A351 CF8 | ||
14 | Nut | A194 2H | A194 4 | A194 8 | A194 8M |
15 | Yoke Nut | A276-410 | |||
16 | Retaining Nut | A194 2H | A194 4 | A194 8 | A194 8M |
17 | Handwheel | A197 | |||
18 | H.W. Lock Nut | A194 2H | A194 4 | A194 8 | A194 8M |
19 | Oil Cup | Brass | |||
Suitable Medium | W.O.G.etc | W.O.G.etc | HNO3,CH3OOH etc | ||
Suitable Temperature | -29℃-425 ℃ | -29℃-550℃ | -29℃ -550℃ | ||
Note: Other materials are available upon request. CS=Carbon Steel; AS=Alloy Steel; SS=Stainless Steel.
STRUCTURAL FEATURES
1. A compact but extremely sturdy design for high pressure-temperature service.
2. For Class 1500,2500lb valves and for steam service, seats are Pressure seal- to the body.
FAQ
1. Q:Do you have customized valve?
A:Yes,we can supply customized valves.
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 company has been adhering to the principle of seeking development through science and technology for many years and is always at the forefront of the API 600 API 603 BS1414 Stellile Overlay Trim Renewable Seat Double Disc Parallel Slide Parallel Solid Wedge Flanged Gate Valve industry, which makes our products sell well both at home and abroad. We uphold the business philosophy of quality first, customer service, and innovative technology. The company continues to improve itself, continuously improve service quality, and create greater value for customers. Our merchandise sell all over the domestic and abroad thanks for the regular and new customers support.
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