产品概述该产品为伞齿轮驱动，操作轻松灵活，常用于较大口径或较高压力场合人工手动操作。公称通径Nominalthroughdiameter150200250300350400450高度Height89091010501265147016301810公称通径Nominalthroughdiameter5006007008009001000高度Height197022902560299032003800)