Pressure Relief Valves

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Farris Engineering's spring-loaded and pilot operated pressure relief valves

Farris Engineering is a recognized leader in the hydrocarbon processing, refinery, petrochemical, natural gas, pharmaceutical, and general processing industries worldwide. Since the early 1940s, the Farris Engineering unit of Curtiss-Wright Flow Control has designed and produced a wide range of spring-loaded and pilot-operated pressure relief valves. Used as safety devices, they prevent over pressurization of vessels, pipelines, and processing equipment.

As a distributor resource for Farris Engineering, GroQuip provides procurement, installation and comprehensive on-site and in-house servicing for the entire line of Farris Engineering pressure relief products.

Contact us direct by phone at 800-259-1456 (in Geismar, LA) or 800-871-8369 (Sulphur, LA) to find out more about Farris Engineering solutions or simply click here to use our convenient online request form.

Farris Engineering: Pilot Operated Valves

3800 Series / Snap Acting or Modulating

ASME NB Certified: Air & Steam

P_farris3800

  • Sizes 1" x 2" to 12" x 16"
  • Orifice areas from 0.110 to 109 square inches
  • Pressures from 15 psig to 6,170 psig
  • Temperature range of -400 °F to +450 °F
  • Steel body and bonnet with stainless steel trim.
  • Semi-nozzle design

Download: 3800 Series brochure

Farris Engineering: Sprint-Loaded Valves

2600 Series

ASME NB Certified: Air, Steam & Water

P_farris2600

  • Sizes 1" x 2" to 20" x 24"
  • Effective orifice areas from 0.110 to 159 square inches
  • Pressures from 15 psig to 6000 psig
  • Temperature range of -450 °F to +1500 °F
  • Steel body and bonnet with stainless steel trim
  • Optional Balanced Bellows design

Download: 2600 Series brochure

2700 Series

ASME NB Certified: Air, Steam & Water

P_farris2700

  • Sizes ½" x 1" to 1½" x 2½"
  • Orifice areas from 0.068 to 0.573 square inches
  • Pressures from 15 psig to 6500 psig
  • Temperature range of -450 °F to +750 °F
  • Stainless steel body and trim, carbon steel bonnet

Download: 2700 Series brochure

1890/1896 Series

ASME NB Certified: Air, Steam & Water

P_farris1890

  • Sizes ½" x ¾" & ¾" x ¾".
  • Effective orifice areas of .077 (liquid) and .089 (vapor) square inches
  • Pressures from 15 psig to 300 psig
  • Temperature range from -400 °F to +750 °F
  • Materials of construction include brass body and trim with bronze bonnet

Download: 1890 Series brochure1896 Series brochure

2850/2856 Series

ASME NB Certified: Air & Steam

P_farris2850

  • Sizes ¾" x 1" to 1½" x 2"
  • Effective orifice areas from .098 to 1.048 square inches
  • Pressures from 15 psig to 300 psig
  • Temperature range from -400 °F to +750 °F
  • Materials of construction include stainless steel body and trim

Download: 2850 Series brochure2856 Series brochure