Varec 5910B and 5920B Series

Varec 5910B and 5920B Series Relief Valve with Flame Arrester

High flow capacity with easy-to-maintain flame arrester

These units combine the high flow capacity of a pressure and vacuum relief valve with an easy-to-maintain flame arrester for maximum protection and reliable operation

The arresters are designed to stop the propagation of flame (Group ‘D’ gases) from external sources. They can be mounted up to 15 feet (4.6 m) upstream of the ignition source in accordance with UL approval, or 10 pipe diameters in accordance with FM approval requirements.

  • Oversized pressure and vacuum ports.
  • Oversized flame arrester bank assembly for minimum pressure drop.
  • Replaceable and interchangeable pressure and vacuum seat rings.
  • ‘All-weather’ coating option available for valve seats and guides.
  • Vent to atmosphere or pipe-away models.
  • Large flow capacity allows use of smaller size.
  • Easy maintenance.
  • Application flexibility for either weather or emissions considerations..
  • Reduced number of spare parts required.

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