上海精工美标硬密封蝶阀 API hard seal butterfly valve
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美标硬密封蝶阀特点与用途 Characteristics and uses
本美标系列蝶阀有多种连接方式，主要有对夹式、法兰式、焊接式、凸耳式（阀体周边带螺孔），该系列蝶1S■采用弓维f心结色？阀专i阀气4乎 无摩越密封功能，无论在低温、高温或高压情况下均有优良的密封性能。广泛应用于食品、医药、石油、化工、轻纺、冶金、矿山、 能源等领域及城建、环保，给排水等管路作启闭或调节介质流量之用。
The API series of butterfly valves have several connection types such as wafer,flange,welding,protruding ear type（socker around body），and uses 3-dimension eccentric structure,with almost no attrition betwwen seat and disc,with Function of closing tighter and tighter and no matter under condition of subzero or high temperature or high pressure all have fine sealing performance.lt is widely utilized in foodstuff,） harmacy, petroleum, chemical industry, light industry.textile,metallurgy,mine.energy etc.As well as construction.environmental protection,water,upply and drainage pipe for opening and closing or adjusting capacity of medium.
美标硬密封蝶阀采用标准 Adopt standard
连接尺寸 Connect dimension:ANSI B16.5a-92 MSS SP-44-91 API 609-83结构长度 Face to face dimension:ANSI B16.10-86 API 609-91 MSS SP-68-97压力试验 Pressure test:API 598-94 MSS SP-61-92 ANSI B16 37-80
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