Call for Assistance: 412-914-8590

Features

  • F500 Pilot-operated; Modulating, non-flowing
  • Soft seated (Elastomer or Plastic)
  • Integral backflow preventer & field test connection
  • Full bore (F7500) or reduced bore (F8500) orifice
  • Full piston lift @ set pressure, proportional to demand
  • Pilot vents to process
  • Leak tight seating and re-seating
  • Integral flange design
  • Integral or welded nozzle (CS), 316/316L corrosion resistant trim

APPLICATIONS

  • Ambient or cryogenic fluids
  • Chemical processing
  • 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 request		 1” x 2” - 12” x 16”
(25 mm x 50 mm - 300 mm x 400 mm)

Set Pressure Ranges

See F7000/8000 Catalog for orifice specific ratings		 15 – 6,000 psig
(1.03 - 413 barg)

Temperature Ranges

 -423 to 525°F
(-252 to 274°C)

Orifice Area Range

 .134 – 111.87 in2
(.86 – 72174 mm2)

End Connections

Custom types available on request		 Standard:
Female NPT (1” x 2” & 1.5” x 3” size only)
Integral ASME RF Flanged (up to 2500# inlet)

Specials:
DIN flanged (EN 1092-1), Grayloc, MS33649/AS5202

Materials of Construction

Custom available for service or on request		 Carbon Steel, Stainless Steel, Monel, Inconel,
Hastelloy C / C22 / C276, Duplex 22% or 25% Cr

Seat Materials

Custom available for service or on request		 F7240/F8240 Material (Plastic):
Teflon®, Ekonol-filled PTFE, Kel-F (PCTFE),
PI/PAI (Vespel®, Duratron®, or equal), PEEK

F7250/F8250 Material (Elastomer):
Buna-N, Viton® (FKM) or equal, EPR/EPDM, Aflas,
FFKM (Chemraz®, Kalrez®, etc), Polyurethane, HNBR

Certifications & Compliance

  • ASME Sec VIII Div. 1 (NB-18 Cert. No. 28000, 28011, 28022, 28099, 28156)
  • API 520 (Sizing & Selection of PRV’s) / API 527 (Seat tightness of PRVs)
  • Superior flow capability (KA factor) vs. equivalent API 526 orifice
  • API 526 center-to-face dimensions available on most sizes
  • NACE MR0175 H2S compliant materials available on request
  • PED / CE (2014/68/EU) compliant on request
  • Canadian CRN (all Provinces per CSA B51)
  • ABS Product Design Assessment (Cert. No. 16-HS1495073-PDA)

Contact Sales

412.914.8590
sales@phoenixspecialtyinc.com

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