主要型号：BERINGER电子控制的液压升降机升降式止回阀Beringer Lift Control Valves LRV, LRV-A, LRV-1 and, VF-LRV,

电梯控制阀LRV 175-1/350-1/700-1 closed-loop lift control valve,背压阀LRV175-137-137-21/28N,

背压阀LRV175-123-136-42/49N,

背压阀LBVD-12-SOW-210-025/RS/0.35/0.5/O/SVO/NBBV6-4FL/0.30/BY-0.4 ,,,