Flow Safe Pressure Relief Valves

Flow Safe Pressure Relief Valves: Overpressure Protection Solutions

Dresser Utility Solutions’ Flow Safe product line offers a comprehensive range of high-performance pressure relief valves engineered to safeguard critical systems from overpressure events. Designed and manufactured in the USA, these valves are trusted across industries for their reliability, precision, and compliance with global standards.

Product Categories

Direct Spring Conventional – ASME Code (F84/F85)

• • ASME Section XIII “UV” stamped
  • Enhanced performance for gas and vapor service
  • Ideal for standard overpressure protection applications
  • Direct Spring Conventional – ASME Code (F84/F85)

Direct Spring Balanced – ASME Code (F84L & F88)

• • Balanced design reduces the effects of back pressure
  • Soft-seated options for zero leakage
  • Suitable for more demanding or variable pressure environments
  • Direct Spring, Balanced – ASME Code (F84L)
  • Direct Spring, Balanced – ASME Code (F88)

Pilot-Operated – ASME Code (F7000/F8000)

• • High-capacity relief with precise control
  • ASME “UV” stamped and National Board certified
  • Excellent for systems requiring tight shutoff and minimal leakage
  •  Pilot-operated – ASME Code (F7000/F8000)

Pilot Operated (F70PR)

• • Compact and efficient
  • Designed for enhanced performance in dynamic conditions
  • Pilot Operated (F70PR)

Specialty Valves

• • Unloader (F70U): Controls flow in various applications
  • Liquid Surge (F9000): SurgeFlow series for liquid overpressure events
  • Safe-T Whistle: Audible alert device for pressure relief events
  • Other PRDs

Applications

Flow Safe valves are ideal for:

• Natural gas systems (sweet/sour)
• Hydrogen and cryogenic gas applications
• Industrial process systems
• Marine and aerospace environments
• Any system requiring precise, dependable overpressure protection