Screw air valve Product introduction
Screw air valve Main dimension
| DN(mm) | G | Outlet size | exhaust hole（ mm ） | L | L1 | H |
| 15 | 1/2" | 1/4 | 1.6 | 130 | 86 | 155 |
| 20 | 3/4" | 1/4 | 1.6 | 130 | 86 | 155 |
| 25 | 1" | 1/4 | 1.6 | 130 | 86 | 155 |
| 32 | 11/4" | 1/4 | 1.6 | 130 | 86 | 155 |
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1. Feida Valve Co., Ltd. is specialize in manufacturing different kinds of valves.
2."Feida" valves are widely used in oil (steam, thermal oil, aviation kerosene, fuel oil, etc.), industrial gas pipeline system water, and different kinds of strong corrosive medium in the opening and closing device.
3.Feida can manufactory products By CB, GB, JB to API, ANSI, HG, DIN, BS, JIS, and other domestic and foreign advanced standards.
4.our company has passed the ISO9001:2008, ISO14000, API-6D, CE, TS certification, and has won the British (LR), Germany (GL), France (BV), Norway (DNV), Japan (NK), United States (ABS), South Korea (KR), Italy (RINA) and Chinese (CCS) certificate of approval of the classification societies of the world factory type.
