4 Inch Butterfly Valve
Description of 4 Inch Butterfly Valve:
ZECO 4 inch flanged gate valveis made of body, disc, stem, seat, stuffing box, gear etc. ZECO butterfly valve is the most commonly used size on small pipelines, so there is a problem of stocking. Problems when stocking is almost the same with preparation of delivery. Time is the key factor, usually gate valve stocking period is decided by its sealing material. If the valve has to be stocked for several weeks or months, better stocking conditions are needed. Valve is usually stocked indoor and its stocking ambient temperature shall be higher than dew point. If valves are stocked outdoor, support the valve to make sure it does not contact the earth, at the same time, water-proof cover shall be added to the valve.
Features of 4 Inch Butterfly Valve:
Material of 4 Inch Butterfly Valve:
|
No |
Part |
Material |
|
1 |
Body |
ASTM A216 WCB + 13Cr |
|
2 |
Seal Ring |
Graphite + SS304 |
|
3 |
Retainer Flange |
ASTM A182 F304 |
|
4 |
Pin |
ASTM A276 304 |
|
5 |
Disc |
ASTM A351 CF8 |
|
6 |
Stem |
ASTM A276 304 |
|
7 |
Stem Packing |
Graphite |
|
8 |
Stem Beating |
SS304 + PTFE |
|
9 |
Bolt |
ASTM A193 B7 |
|
10 |
Nut |
ASTM A194 2H |
|
11 |
Yoke |
ASTM A216 WCB |
As a China valve factory, we will attempt to produce more high quality products for customers.
As a valve manufacturer, 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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