Male thread 外螺
TRELLEBORG Smooth shank
Hose end 尾管
Male steam 蒸汽外牙尾管
Male without locking ring 法式外螺无锁
Pin Lug Couplings 美式消防接扣
Guillemin Reducer 法式异径
法式消防接扣-DSP Female(No Lock Riing) 内螺无锁
GI with serrated tail GI活螺母齿形尾管
Welding BW with helical shank 外焊螺旋尾管
TRELLEBORG Express
TW接头 MB盖
