Forged Type Pressure Sealed Bonnet Gate Valve

Forged Type Pressure Sealed Bonnet Gate Valve

NSV Welded Bonnet Forged gate valves are designed and manufactured to provide maximum service life and dependability. This design can leaking less than normal BB design from Body/Bonnet.
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Product Introduction

We always adhere to the business tenet of 'Quality First, Service Excellence', and use a complete business system to continue to provide users with high-quality Hastelloy B2 Globe Valve, Non-Slam Nozzle Check Valve, Cast Basket Strainer and professional services. We have found an excellent before-sale, sale, after-sale service to ensure the customers that could rest assured to make orders. We persist with the principle of 'quality 1st, assistance initially, continual improvement and innovation to meet the customers' for your management and 'zero defect, zero complaints' as the standard objective.

Product Details

NSV Welded Bonnet Forged gate valves are designed and manufactured to provide maximum service life and dependability. This design can leaking less than normal BB design from Body/Bonnet.
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Design Features
Solid wedge gate
Full port or reduced port design
Welded bonnet(WB)
Flanged, butt-welded, SW, 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

Gasket

Corrugated SS+graphite

SS+PTFE

6

Bonnet

A105

A182 F22

A182 F304(L)

A182 F316(L)

7

Bonnet Bolt

A193 B7

A193 B16

A193 B8

A193 B8M

8

Pin

A276 420

A276 304

9

Gland

A276 410

A182 F304(L)

A182 F316(L)

10

Gland Eyebolt

A193 B7

A193 B16

A193 B8

A193 B8M

11

Gland Flange

A105

A182 F11

A182 F304(L)

A182 F316(L)

12

Gland Nut

A194 2H

A194 4

A194 8

A194 8M

13

Yoke Nut

A276 420

14

H.W.Lock Nut

A194 2H

A194 4

A194 8

A194 8M

15

Nameplate

SS

16

Handwheel

A197

17

Bearing Gasket

A473 431

18

Stem Packing

Flexible Graphite

PTFE

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 valves and for steam service, seats are seal-welded to the body.
3. For welded bonnet valves, the bonnet is threaded in and torqued to an engineered torque value and the body bonnet joint is strength-welded, offering double protection against leakage. (Body/bonnet threads and strength-weld).


FAQ
1. Q:What's the packing for shipping?
A:Its carton for small valves(sample) and plywood case(don't to fumigate).

2. Q:Do you have any valve in stock?
A:There have a lot of GGC valves(2"&within) in stock,and that can delivery within one week.

3. Q: What's the valves warranty?
A: Our valves warranty period should be 18 months from the date of shipment or 12 months after installation, whichever occurs first.

Our company has many years of rich practical experience, we always provide customers with the best quality Forged Type Pressure Sealed Bonnet Gate Valve and the most timely after-sales service. Our company adheres to the business philosophy of 'let products speak, operate with quality, always put the interests of customers first' and make customers get ideal returns with strict management and high-quality products. We meet up to personal requirements with all products of your very own styles.

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