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21.2 Pressure Relief Valve

Overpressure protection for vacuum systems

Reliable protection of vacuum systems from pressures > 1.5 bar

The main requirement of a modern pressure relief valve is its reliable and precise acting relief trigger. The 21.2 relief trigger is driven by a high durability pressure spring that is laid-out for extended lifetime. The trigger is calibrated to open the valve at a pressure of 1.2 to 1.5 bar. Its operating range is set between 1 x 10-8 mbar and 1.2 bar with a gas flow of max. 6 l/min.

Tested in thousands of demanding applications under various process conditions, the 21.2 series has proven its outstanding reliability.

21.2 Pressure Relief Valve

The 21.2 Pressure Relief Valve is available in DN 16mm (5/8“). The valve body is made of stainless steel. The standard flange is ISO-KF. Its bakeout temperature is ≤ 150°C.

Key features of the 21.2 Pressure Relief Valve

Features

  • Vacuum system protection > 1.5 bar
  • Trigger calibrated to open valve at 1.2 to 1.5 bar

Benefits

  • Extended lifetime
  • Precise operation
  • Low cost of ownership

Specifications Table

Manufacturer VAT
Series 21.2
Pressure Torr
Min: 7.50×10-9 Torr
Max: 900 Torr

mbar
1.00×10-8 mbar
bar
1.20 bar
Temperature Valve Body
≤150 ºC

Mounting
Orientation
Any
Valve Body
Material
Stainless Steel
Valve Seal
Material
Fluorocarbon (FKM)
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