对夹式蝶阀 Wafer Butterfly Valve 产品型号：D71/371X—16 连接方式 Type of connection:中心型对夹式Centric wafer type

公称通径Nominal diameter：DN50-DN1200mm

公称压力Nominal pressure：PN0.6～PN1.6MPa

适用介质Applicable medium:淡水、海水、空气、t≤70℃的原油、成品油。汽油及70℃≤t ＜170℃的介质，只能用氟橡胶阀座圈。Fresh water,sea water,air crude oil witht≤70℃,product oil gasoline,and other medium with 70℃≤t ＜170℃,Only fluororubber seat ring can beused.

适用温度Applicable temperature：-23～121℃ 驱动方式Drive mode：手动、蜗轮、气动、电动、螺旋式,双缸液动式，液手动式 Handle type worm gear type;electrically operated,spiral type;double cylinder hydraulic type;Manual-hydraulic type