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  PARKER截止閥安裝及使用
  design allows for thermal expansion and contraction, thereoperation and reduced closing tor
  que by use of a PTFE anti-friction disc between the valve spindle a
  nd the disc assembly. 
The range inclZB4-BR2
  ZB5-AD2
  ZB5-AD3le, these valves deliver smooth
  ZB5-AL4
  ZB5-AZ009
  ZB5-AZ905
  ZBE-101
  ZC2-JE01
  ZC2JE61ZB4-BS14
  ZB4-BS54
  ZB4-BT4
 
  ZB5-AD5
  ZB5-AL2
  fore eliminating the risk of leakage at the bonnet gasket. 
  
Extremely dura
  Cryogenic Globe Valves
  Parker Bestobell's cryogenic globe valves feature an
  innovative loose flange bolted bonnet design that allows for thermal expansion
  ZB5-AA4
  ZC2JY11
  ZC2-JY13
  ZC2-JY31
  ZC2-JY41udes actuated and manual options in stainless steel and bronze body materials. 
PARKER截止閥安裝及使用