F70PR Modulating, Flowing (Gas / Liquid Service)

Brand: Flow Safe, Inc

Pilot operated pressure relief valves with aluminum or carbon steel construction, and modulating-action pilots.

A variety of soft seat materials are available. Ideal for natural gas regulator and meter protection, and positive displacement blower protection.

This product provides high capacity flow rates and are inline repairable. Made for DOT / gas transmission applications (non-ASME Code). FLOWSAFE customers buy smaller valves, save money!
Features
  • F100 Pilot-operated; Modulating, flowing
  • Soft seated (Elastomer)
  • Optional backflow preventer & field test connection
  • Full bore orifice
  • Full piston lift at 105% set pressure, proportional to demand
  • Pilot vents to process
  • Leak tight seating and re-seating
  • Integral flange design
  • Carbon steel body with corrosion resistant trim
  • Rugged, simple, light-weight design

Specifications

Connection Sizes

  • 1.5” x 2” - 12” x 16” (38mm x 50mm - 300mm x 400 mm)

Set Pressure Ranges

  • 10” wc – 285 psig (.025 – 19.6 barg)

Temperature Ranges

  • -65 to 400°F (-54 to 204°C)

Orifice Area Range

  • 1.770 – 111.87 in² (1142 - 72174 mm²)

End Connections

  • Standard: Female NPT (1.5” x 2” size only), Integral ASME RF Flanged (150# inlet/outlet)

Materials of Construction

  • Carbon Steel with aluminum trim
  • Aluminum (1.5” x 2” size only)

Seat Materials

  • Elastomer: Buna-N, Viton® (FKM) or equal, EPR/EPDM

Certifications & Compliance

  • DOT (49CR192.199)
  • Superior flow capabilities (independently verified)

  • Natural Gas
  • DOT
  • Chemical Processing
  • Positive Displacement Blowers
  • High Cycle Rates / Long Service Life
  • Minimal Product Loss Importance
  • Operation Close to Set Point with Zero Leakage Required

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