
High Pressuire Forged Steel Gate Valve
Our company pursues the idea that we should change if we want to make progress and we should constantly improve our products if we want to have better PFA Lined Sleeve Plug Valve, Cryogenic Forged Gate Valve, Block And Bleed Valves. Our company relies on advanced equipment, mature research and development technology foundation, market foundation, brand foundation, team foundation at all levels. By taking part in the competition through technological innovation and accumulation, we are now seeking high-level excellence and perfection in organizational systems and corporate culture. We focus on the establishment of standardized system, standardized process and scientific and reasonable operation mechanism to ensure the smooth and orderly management. Our company has gathered a large number of market resources and a large number of technical personnel and experienced excellent construction team.
Product Details
NSV WB Forged globe valves are designed and manufactured to provide maximum service life and dependability. As this welded bonnet that can leaking less compare with normal bolted bonnet design.
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 ~1500lb
Body Materials: A105,LF2,F91,F11,F22,F304,F304L,F316,F316L,F321,F51,Alloy steel etc.
Trim: Per API 602
Operation: Handwheel
Design Features
Full port or reduced port design
General or needle disc
Welded bonnet (W.B)
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 A105 | Type F22 | Type F304(L) | Type 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 | Bonnet | A105 | A276 304 | A276 304(L) | A276 316(L) |
5 | Pin | A276 420 | A276 304 | ||
6 | Gland | A276 410 | A182 F304(L) | A182 F316(L) | |
7 | Gland Eyebolt | A193 B7 | A193 B16 | A193 B8 | A193 B8M |
8 | Gland Flange | A216 WCB | A351 CF8 | ||
9 | Gland Nut | A194 2H | A194 4 | A194 8 | A194 8M |
10 | Yoke Nut | A276 410 | |||
11 | H.W.Nut | A194 2H | A194 4 | A194 8 | A194 8M |
12 | Nameplate | SS | |||
13 | Handwheel | A197 | |||
14 | Stem Packing | Flexible Graphite | PTFE | ||
Suitable Medium | W.O.G.etc | W.O.G.etc | HNO3CH3OOH etc | ||
Sutiable Temperature | -29℃~425℃ | -29℃~550℃ | -29℃~550℃ | ||
Note: Other materials are available upon request. CS=Carbon Steel; AS=Alloy Steel; SS=Stainless Steel.
BODY-BONNET CONNECTION:WELTED-BONNET
NSV welding procedures are performed by operators qualified acc.to ASME IX.
NSV Weld Bonnet Valves are supplied in the standard type threaded in and fillet welded bonnet as per.”B” version.On request Full Penetration Welding as per “A” version can be


FAQ
1. Q:Do you have any valve in stock?
A:Yes,we have stock of these GGC forged valves with A105 materiail,that can delivery within one week.
2. 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.
3. 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.
We strive for excellence in all aspects of our work and every link, never carelessly, and wholeheartedly contribute to the High Pressuire Forged Steel Gate Valve industry. Since its establishment, our company has been adhering to the sustainable development goal of the best combination of corporate environmental management, product environmental performance and market demand. Our products are widely used in various fields and exported to many countries and regions, and have won unanimous praise from customers at home and abroad.
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