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Varec Series 7100B Pressure Relief Valve
Series 7100B PRV
A weight loaded relief valve that vents to atmosphere and is designed to provide superior seat tightness.


  • Modular design for flexibility of installation, easy reconfiguration, repair or on-site upgrading
  • Wide range of materials and sizes for service in most applications
  • Oversized port for maximum flow
  • Replaceable ‘air cushion’ PTFE seating for lowest available leakage for weight-loaded valves (1 SCFH [0.03 Nm3/hr] or less at 90% of setpoint)
  • Pallet drip ring and self-draining housing protect the seating surface from condensate and freezing
  • Side and center-guided pallet
  • Hood is easily removed for inspection and maintenance
  • Protective screen prevents entrance of foreign material
  • ‘All-weather’ non-frosting and ice-resistant coating option available for valve seats and guides
  • Extended service options available for high temperature and chemical applications