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Several layout schemes of control valve
The author: Time:2020/12/21

  (1)方案-1是常用的安装形式,阀组布置紧凑,所占空间小,维修时便于拆卸,整套阀组放空简便。
  (2)方案-2是常用的安装形式,旁通阀的操作维修方便,适合于DN>100mm的阀组,但对易凝,有腐蚀性介质不宜采用。
  (3)方案-3也是一种常用安装形式,维修时便于拆卸,当调节阀在上方时,由于位置过高,不易接近。
  (4)方案4调节阀容易接近,但二个隔断阀与调节阀在一根直管上,比较难于拆卸和安装,旁路上有死角,不得用于易凝,有腐蚀性介质,阀组安装要占较大空间,仅用于低压降调节阀。
  (5)方案-5阀组布置紧凑,但调节阀位置过高,不易接近,适用于较小口径调书阀。
  (6)方案-6二个隔断阀与调节阀在一根直管上,比较难于拆卸和安装,旁路上有死角,安装要占较大空间,适用于较小口径调节阀和易堵塞、易结焦介质的调节阀的安装。

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