Forged Steel Bellow Seal Steam Gate Valve
We uphold a consistent level of professionalism, top quality, credibility and service for Austenitic Alloy Valves, Cast Tee Strainer, PSB Check Valve. 'Serve attentively and pursue quality', this company has always insisted on starting from the foundation of enterprise development, adopting mature humanized management within the company. We hope that through the continuous improvement of ourselves, the motivation of enterprise innovation and innovative management methods will be formed. We commit to provide better services and create more value to all our customers.
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 are always committed to providing customers with authoritative, professional and meticulous Forged Steel Bellow Seal Steam Gate Valve and services. Our tenet is 'Reasonable prices, economical production time and very best service'. We introduce modern technology and equipment to improve the company's comprehensive competitiveness.
You Might Also Like
Send Inquiry