Counterbalance Valve BVD . for Travel Drives Counterbalance Valve BVD . W for Winches,A6V 2202-e / VAV 04.01,A6VM平衡阀,A6V 2183-e / VAV 10.99,平衡阀,泄压阀,A2FM平衡阀,A2F 2144-e / VAV 08.99,平衡阀,二级减压阀,绞车平衡阀,起重,刹车器,制动器释放阀,平衡阀阀芯,绞车平衡阀,A6V 2185-e / VAV 08.99,下降,工作原理： 20bar开始工作，40bar完全打开。,Load pressure captured between motor and counterbalance valve; load supported by counterbalance valve,制动器在18 bar打开,绞车平衡阀,A6V 2186-e / VAV 08.99,防止马达失速吸空,回油不通,马达工作原理,绞车平衡阀,制动释放阀,平衡阀阀芯,止回阀1,止回阀2,制动器,换向阀,梭形阀,平衡阀剖视图,止回阀1,止回阀 2,平衡阀阀芯,梭形滑阀,制动器释放阀,