J40H-150/300/600LB 美标法兰截止阀

API602美标锻钢法兰截止阀

DJ41Y-16/25/40 法兰低温截止阀

DSJ61H 对焊水封截止阀

FJ41-16/25/40/64/100/160 节流截止放空阀

J11W铜内螺纹截止阀

J41F46-16C 法兰衬氟截止阀

J45直流式全衬截止阀

J641H-16/25/40C 气动截止阀

JY41W-16/25/40P 法兰氧气截止阀

J941H-16/25/40/64/100/160C 电动截止阀

QJ-1A 气动管路截止阀