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4 Inch Gate Valve

Description of 4 Inch Gate Valve:

ZECO 4 inch 4 inch flanged gate valveis 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:

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

As a China valve supplier, we will attempt to produce more high quality products for customers.

As a valve company, ZECO have long-term cooperation with China National Chemical Equipment Corporation (CNCE) and China Petroleum; Chemical Engineering Survey and Design Association(CPCESDA).As recognize the growing need, developed our own laboratory for research; development for international standard valve design innovation and vertification, which includes PT, MT, UT, FE test. ZECO is the humble and united team, to be more diligent and progressive to show the itegrity to our clients.



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