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NABIC FIG 568 & 568SS ANTI-VACUUM VALVE
 
 
Nabic 568 Anti Vacuum Valve
 

Fig 568 Anti-Vacuum Valves are used to protect drying cylinders, calorifiers and tankers from collapse due to internal vacuum. They are also used on steam systems, to assist condensate drainage and to prevent suction of contents from vats. Vacuum valves are normally fitted vertically, at the top of the vessel or pipeline being protected. Horizontal revolving cylinders however should have a Fig 568 fitted at each end, diametrically opposite one another.

Nabic Fig 568 & 568SS Anti-Vacuum Valve

Sizes: 0.5", 0.75", 1", 1.25", 1.5", 2"
Connections: Male BSPT
Materials: Gunmetal or Stainless Steel
Maximum System Pressure: 13.5 Barg
Opens at a Vacuum Pressure of 50mBarg
Temperature: 195 degC Max

Nabic Fig 568 & 568SS Anti-Vacuum Valve Datasheet

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GUNMETAL
         
  Part Code Size & Connections Delivery  
  N-568-015 1/2" Male BSPT Inlet x Open Discharge Outlet On Stock  
  N-568-020 3/4" Male BSPT Inlet x Open Discharge Outlet On Stock  
  N-568-025 1" Male BSPT Inlet x Open Discharge Outlet On Stock  
  N-568-032 1.1/4" Male BSPT Inlet x Open Discharge Outlet On Stock  
  N-568-040 1.1/2" Male BSPT Inlet x Open Discharge Outlet On Stock  
  N-568-050 2" Male BSPT Inlet x Open Discharge Outlet On Stock  
         
STAINLESS STEEL
         
  Part Code Size & Connections Delivery  
  N-568SS-015 1/2" Male BSPT Inlet x Open Discharge Outlet On Stock  
  N-568SS-020 3/4" Male BSPT Inlet x Open Discharge Outlet On Stock  
  N-568SS-025 1" Male BSPT Inlet x Open Discharge Outlet On Stock  
  N-568SS-032 1.1/4" Male BSPT Inlet x Open Discharge Outlet On Stock  
  N-568SS-040 1.1/2" Male BSPT Inlet x Open Discharge Outlet On Stock  
  N-568SS-050 2" Male BSPT Inlet x Open Discharge Outlet On Stock