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4 Inch Gate Valve

4 Inch Gate Valve


Description of 4 Inch Gate Valve:

ZECO 4 inch gate valve is one of the most commonly used calibers. Gate valve in the line just switch effect, looks small, really small gate to pipeline protection as very important, although the gate valve switch is a long time, but the gate valve torque needed to light, in the case of an emergency, if only one person online, if go to close a 4 inch ball valve, may take the human is very big, if the manufacturing process is a little omission cause excessive torque, also likely won't open, but the gate by hand wheel operation, turn the handwheel to drive the stem promoted, this itself is a process of from, open is very light.


Features of 4 Inch Gate Valve:

1. The stem of ZECO 4 inch gate valve adopts T-head which is integral, This is much stronger than threaded or welded stem and is less prone to high pressure bending;

2. The stuffing box of ZECO 4 inch gate valve is deep enough to ensure sufficient packing to keep the stem sealed for a long time. Standard installed stuffing box design requirements meet < 100ppm unorganized emissions requirements, ZECO environmental protection has been ISO 14001 certification, to a sense of social responsibility of the enterprise obligations;

3. The handwheel design of ZECO 4 inch gate valve makes valve be easy to operate, in the manual operation process to use the power up.Turbine drives, electric and pneumatic devices are also available;

4. ZECO 4 inch gate valve has been sent to all parts of the world, and have been well received by users of oil companies and natural gas companies. ZECO has won the recognition of users around the world and long-term cooperation opportunities with its quality.


Material of 4 Inch Gate Valve:

No

Part

Material

1

Body

ASTM A216 WCB

2

Seat Ring

ASTM A182 F316 + STL

3

Wedge

ASTM A351 CF8M + STL

4

Stem

ASTM A276 316

5

Bonnet Gasket

Graphite + SS316

6

Bonnet Bolt

ASTM A193 B7

7

Bonnet Nut

ASTM A194 2H

8

Bonnet

ASTM A216 WCB

9

Backseat

ASTM A182 F316

10

Stem Packing

Reinforced Graphite

11

Handwheel

KTH330-08


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