Male thread 外螺
GI with smooth tail GI 活螺母光滑尾管
TW接头 TWM
Guillemin cap with ring 法式带锁堵头
VKP接头内衬PTFE
卫生级食品接头 Long Liner 长型平接头
Pin Lug Couplings 美式消防接扣
TRELLEBORG Smooth shank
Male steam 蒸汽外牙尾管
Adapter with welding neck A型焊接管
Female fitting 蒸汽内螺
复合管接头 Welding 外焊
