opw气动排空阀

产品名称：

气动排空阀

详细介绍：

连续油气排空阀

气动油气阀用于连接罐车内部和装卸油气回收系统，运输过程中有效地密封罐车，装卸时打开允许油气流动。

3" 1985 SV Vapor Valve for 20" manholes 3" 1986 SV Vapor Valve for 16" Manholes 4" 1998 Sequential Vapor Valve Aluminum construction with Viton seals and SST trim Superior safety with Civacon's sequential valve technology In case of rollover, poppet opens into the tank to prevent surge pressure leaks & spills from vapor valve Aluminum construction with Viton seals and SST trim Superior safety with Civacon's sequential valve technology In case of rollover, poppet opens into the tank to prevent surge pressure leaks & spills from vapor valve 4" high-capacity design provides superior flow for faster loading and unloading Superior safety with Civacon's sequential valve technology Innovative sealing system features double u-cups and Teflon® inverted seals for a longer maintenance-free life Multiple mounting options, stainless steel spring, 1/4" NPT air line holes Minimum operating pressure, 60 PSI; units begin to sequence at 50 PSI and begin to exhaust at 40 PSI