
Forged Steel Integral Flanged End Pressure Seal Gate Valve
We always keep a large number of stocks to ensure that we can supply enough Triple Eccentric Wafer Butterfly Valve, Double Block And Bleed Ball Valve, Electric Actuator Floating Ball Valve for our customers. The products we sell are subjected to strict quality testing and are priced affordably, while ensuring functionality and quality. A strong research and development team can provide customers with all-round design services and help them improve product design and optimize product structure in a timely manner. We adhere to the business philosophy of quality as the foundation of survival, product intelligence as the transformation, market as the development orientation, customer service as the foundation, and technological innovation as the drive. We continue to innovate to make product operation simple and efficient, and make unremitting efforts for the development of the industry.
Product Details
NSV Bellows seal forged steel gate valves are designed and manufactured to provide maximum service life and dependability. It have been solving fluid control problems in steam,boiling and other general industrial applications.

Design Features
Solid wedge gate
Full port or reduced port design
Bolted bonnet, welded bonnet
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 Ring | 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 | Bellows | SS304 | SS304 | SS304(L) | SS316(L) |
6 | Gasket | Corrugated SS+graphite | SS+PTFE | ||
7 | Bellows cover | A182 F304 | A182 F304 | A182 F304(L) | A182 F316(L) |
8 | Bonnet | A105 | A182 F22 | A182 F304(L) | A182 F316(L) |
9 | Bonnet Bolt | A193 B7 | A193 B16 | A193 B8 | A193 B8M |
10 | Packing | Fibler | Fiber | ||
11 | Packing | Flexible Graphite | Flexible Graphite | ||
12 | Gland | A276 410 | A182 F304(L) | A182 F316(L) | |
13 | Gland Flange | A105 | A182 F11 | A182 F304(L) | A182 F316(L) |
14 | Pin | A276 410 | A182 F304 | A182 F304 | A182 F316 |
15 | Gland Eyebolt | A193 B7 | A193 B16 | A193 B8 | A193 B8M |
16 | Gland Nut | A194 2H | A194 4 | A194 8 | A194 8M |
17 | Yoke Nut | A276 420 | |||
18 | Gasket | A276 410 | |||
19 | Handwheel | A197 | |||
20 | Nameplate | SS | |||
21 | H.W.Lock Nut | A194 2H | A194 4 | A194 8 | A194 8M |
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
● Long cycle life bellows (3000 cycles): Designed and qualification tested for high pressure/temperature service.
● Bellows monitoring port (optional): A plug can beconnected with the space above the bellows to monitor performance.
● Two secondary stem seals: a) Backseat in open position; b) Graphite packing.
● Superior seating faces: Seats CoCr alloy hardfaced and wedge is solid CoCr alloy.
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:Do you have customized valve?
A:Yes,we can supply customized valves.
3. Q: What’s your payment terms?
A: As our company’s policy, we normally have bellow 3 payment terms,it also can negotiation both parties before confirm order.
1) 100% T/T or West Union in advance that order value within $2,000.00USD.
2) 30% T/T advance+70% balance after the shipment for the order value above $2,000.00USD.
3) L/C at sight for the order value above $50,000.00USD.
We constantly carry out our spirit of ''Innovation bringing advancement, Highly-quality guaranteeing subsistence, Administration selling advantage, Credit rating attracting buyers for Forged Steel Integral Flanged End Pressure Seal Gate Valve. While satisfying the best user experience and continuously interacting and iterating with users, our company has built a co-creation and win-win ecology with our customers and partners. We insist on honesty and trustworthiness as the foundation of enterprise development, allowing you to buy reliable products at a preferential price and in a fast way.
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