tap valve 旋塞

valve pressure tap 阀内油路测压接头

relief valve pressure tap 安全阀压力排放孔

pressure cutoff valve pressure tap 压力截止阀测压旋塞

Control valve and tap 控制阀和龙头

INLET TAP VALVE 入口分接头阀门

underspeed valve throat pressure tap 降速阀喉颈部测压孔

underspeed valve upstream pressure tap 降速阀上流测压孔

Tap water total valve 自来水总阀

tap-a-can valve 带顶针阀门