Cast and Forged Steel Bellow Sealed Gate Valve with Manual Operation

Cast and Forged Steel Bellow Sealed Gate Valve with Manual Operation

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.
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Product Introduction

We are committed to providing easy, time-saving and money-saving one-stop purchasing service of consumer for Forged Check Valves, Bolted Bonnet Forged Gate Valve, Incoloy 825 Gate Valve. We help customers increase value, achieving mutual benefit and win-win results. Since the establishment of our company, we have always adhered to the tenet of high-tech, high starting point, high standards, and high speed, hoping the better future of our company. We believe that choosing us is the guarantee of choosing quality, and we look forward to cooperation with you sincerely! Customer satisfaction is exactly what we pursue. We integrate development and innovation into every aspect of our products, and provide every business friend with good products and good services.

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.
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Design Features
Solid wedge gate
Full port or reduced port design
Bolted bonnet, welded bonnet
Flanged, butt-welded, socket welded, or threaded ends

1


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.

In order to speed up the pace of our company's development and expand brand awareness, we sincerely hope to establish close cooperation and win-win relations with enterprises and individual groups from all walks of life, and jointly develop the Cast and Forged Steel Bellow Sealed Gate Valve with Manual Operation market. Our company shows a continuous, rapid, stable and healthy development trend, and our business spans throughout the world. In the new economic situation, our development strategy should mainly focus on how to maximize our strengths and avoid our weaknesses, and seize opportunities to meet challenges.

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