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

APPLICATIONS

  • 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

Service Envelope

Connection Sizes

Custom sizes & dual outlet bodies available on reque
1.5” x 2” - 12” x 16”
(38mm x 50mm - 300mm x 400 mm)

Set Pressure Ranges

See F70PR Catalog for orifice specific ratings
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

Custom types available on request
Standard:
Female NPT (1.5” x 2” size only)
Integral ASME RF Flanged (150# inlet/outlet)

Materials of Construction

Custom available for service or on request
Carbon Steel w/ aluminum trim
Aluminum (1.5” x 2” size only)

Seat Materials

Custom available for service or on request
Elastomer:
Buna-N, Viton® (FKM) or equal, EPR/EPDM

Certifications & Compliance

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