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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