SCZ973F/H/X电动穿透式刀型闸阀,穿透式插板阀,穿透
SCZ73X/H/F手动穿透..
DMZ73X-10C手动刀型..
PZ673Y/F/W气动插板..
SCZ973F/H/X电动穿..
Z73X手动浆液阀,手动对夹..
Z273X电液动浆液阀,电控..