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