
TW接头 VK50 VK65 VK80 DIN28450 外丝铜接头

Male thread 外牙

Storz male thread 德式消防外螺

复合管接头 Ferrule 套筒

Parker NM-BSP外管螺纹-轻系列-ED圈密封-直接头

Ground joint female hose end 内螺三件套尾管

Suction hose couplin 德式消防尾管

Female thread 内牙

安全管夹 Flange Safety Clamps

Female adapter with hose stem 泥浆C

E with smooth tail E 光滑带槽

Fixed Flange固定蒸汽法兰