进口德国托普TOP止回阀进口德标升降式止回阀，进口德标旋启式止回阀规格：15-300用途：工业(industry)电站(powerstation)废气净化厂(fluegaspuerificationplant)***(gassupply)真空装置(vacuumfacilities)氨(ammonia)热水(hotwater)冷冻系统(cllling&freezingsystme)加热设备(heatingtechnology)蒸汽系统(steamsystem)德泰科（Dtyco）阀门欢迎您来电咨询、订购！)