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