T形钠截止阀
T-type Sodium globe valve
Y型阀截止阀
Y-valveY-body globe valve
保安油逆止阀
non-return valve for safety oil
差压式截止止回阀
differential stop check valve
超高压截止阀
ultra-high pressure globe valve
磁耦合截止阀
Magnetic Co-operate Globe Valves
电动截止阀
electric actuated stop valves
electric check valve
蝶阀+止回阀式进气阀
butterfly valve + non-return intake valve
法兰铸钢截止阀
flange cast iron stop valve