气动切断阀

QDQ641F气动切断阀：公称通径：50～300mm；公称压力：1.6～4.0MPa；适用介质：天然气、液化气、液氨；适用温度：-40～+80℃。

SDQD421F手动带气动紧急切断阀：公称通径：50～300mm；公称压力：1.6～4.0MPa；适用介质：氨气、天然气、液化气；适用温度：-40～+80℃。

截止阀标签：J41H/W/Y/N/F/截止阀,J44W角式截止阀,J541W不锈钢伞齿轮截止阀,J61W/H/Y截止阀,J41W美标API不锈钢截止阀,J961W/Y/H焊接截止阀,DS/J61H焊接式水封截止阀,J965Y/J961Y美标电动Y型截止阀,DJ61Y锻钢低温截止阀,DJ41W低温截止阀,J11H/Y/J61H/Y/W美标锻钢截止阀,JY44W角式截止阀,SLJ41Y节流截止放空阀,TP41Y阀套式排污阀,JK41H/Y真空截止阀,U41SM法兰柱塞阀,U11SFM内螺纹柱塞阀,UJ41SM柱塞阀,J41N燃气截止阀,QDQ421F气动紧急切断阀,ZCRB燃气紧急切断阀,JY41F燃气日式截止阀,SDQD421F手动带气动紧急切断阀,QDQ641F气动切断阀,QDY421F液动紧急切断阀,J11B/J21B/J6IB/J41B液氨专用截止阀,JY41W氧气专用截止阀,KJ41F不锈钢抗生素截止阀,高压锻钢抗硫角式双作用节流截止放空阀、KFJ41Y/F、FJ541Y、FJ941Y、SLJ41Y、SLJ44Y、KFJ41Y/F,平衡式节流截止阀,TP41Y/F、TP541Y/F不锈钢阀套式排污阀