GD-7*设计结构简单*双阀式将一次压力波动的影响减到***小程度。*适用于润滑油和重燃油。特点活塞式/铸铁/法兰盘型类型直动式仕様适用流体冷水和热水、空气、油、非***性流体一次压力0.1-1.0MPa二次压力0.05-0.7MPa(*)连接方式JIS10KFF法兰盘型***低差压0.05MPa***大减压比10:1***高温度80degree(C)材料阀体铸铁阀门磷青铜阀座磷青铜活塞青铜*二次压力1)20A-50A(A):0.05-0.25MPa(B):0.25-0.45MPa(C):0.45-0.7MPa2)65A-150A(A):0.05-0.2MPa(B):0.2-0.5MPa(C):0.5-0.7MPaSizeL(mm)H(mm)Weight(kg)Cvvalue20A(3/4)17053520225A(1)17053522332A(11/4)18054523640A(11/2)18054523850A(2)180565261565A(21/2)215680412380A(3)2607055130100A(4)3007556640125A(5)3608159050150A(6)38288512960GD-7减压阀|日本直动式减压阀|耀希达凯GD-7|GD-7N)