| | | 手动蝶阀manual butterfly valve 该阀门的阀板与阀座具有的结构设计，因此具有耐久的性能，是一种用途广泛的调节阀。 The valve plate and valve seat has a unique structure design, so it is durable, the performance of regulating valve is a kind of widely used. 规格（specification）： | 本体形式body type | 不锈钢硬密封蝶阀 stainless steel hard seal butterfly valve | | 公称通径body size | DN50-250 | | 公称压力body rating | 6-25Bar | | 流体温度fluid temperature | -29~+120℃ | | 连接方式connections | 对夹连接Connected to the clamp | | 阀体材质body materials | 304 316 | | 阀内件材质trim materials | 304 45# | | 流量特性flow characteristics | 调流 | | 阀座泄漏量the seat leakage | 硬密封（hard seal）Metal seat, 额定（rated）Cv X 0.01% | | 执行机构actuator combination | 手动执行机构manual actuator | | | |
