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PR1 Series Pressure Reducing Regulator

Brand: GO Regulator

The PR-1 Series is a versatile pressure reducing regulator designed to fulfill a wide range of needs in instrumentation sample systems and other applications such as semiconductor processing gases. 

Many features of the PR-1 make it ideal for a wide range of applications controlling pressures at low to moderate flows in gas or liquid service.

316L body material is used to facilitate welded connections. Stainless steel caps and adjusting screws prevent atmospheric corrosion and maintain appearance. 

Enhanced internal body surface finish of better than 25 Ra plus electropolishing allows easier cleaning and potentially less particle contamination in the flow stream.

Five different seat materials, three alternate orifice sizes and seven pressure control ranges with stainless diaphragms offer the user a wide spectrum of capabilities for pressure control with inlet pressures up to 6000 psig and standard operating temperatures up to 500° F (260° C).
Features
  • Gas or liquid service
  • 316L stainless steel, Inconel, PTFE, and Tefzel (or optional main seat material choice) only in flow stream
  • Electropolished 316L body with better than 25 Ra diaphragm cavity surface finish
  • Stainless steel cap with SS adjusting screw
  • Inlet pressures of up to 6,000 PSIG
  • Adjustable outlet pressure ranges of 0 to 10 PSIG, 0 to 25 PSIG, 0 to 50 PSIG, 0 to 100 PSIG, 0 to 250 PSIG, 0 - 500 PSIG, or 0 to 750 PSIG
  • Operating temperatures of -40° F up to +500° F (-40° to +260° C)
  • 20 micron filters
  • Bubble-tight shutoff under most conditions
  • Cv flow coefficients 0.025, 0.06, 0.20, and 0.50 (0.06 standard)
  • Options:
    • Wetted materials of construction: Monel, Hastelloy, and Titanium
    • Diaphragm attached poppet
    • Special fittings
    • Diaphragm assist spring for vacuum purging
    • Panel mount (13/8" mounting hole)
    • Relief valves
    • Special diaphragm assembly for water service
    • SS inlet pressure gauges
    • SS outlet pressure gauges
    • Base-mounting brackets
    • Captured vent
    • Self-relieving

Specifications

Brand

Actuator Type

  • Knob Adjust
  • Tamper-Proof

Applications

  • Gas Service
  • Liquid Service

Diaphragm Material

  • Hastelloy C
  • PTFE
  • Stainless Steel
  • Tefzel

Enclosure, Body Material

  • 316L Stainless Steel
  • Hastelloy C
  • Monel

Filter

  • 20 micron

Flow Rate

  • 0.025 Cv
  • 0.06 Cv
  • 0.20 Cv
  • 0.50 Cv

Media

  • Gas
  • Liquids & Gases

Mounting

  • Base Mounting
  • Panel

NPT Connection

  • 1/4” NPT Female
  • 1/8” NPT Female
  • 3/8” NPT Female

Operating Temperature

  • -40° to 260° C (-40° to 500° F)

Pipe Connection

  • 1/4” Pipe Stub 4” Long Sch 40, 80 or 160

Pressure Range

  • bar: 0 to 51.7
  • kPa: 0 to 5,171
  • psig: 0 to 750

Relief

  • Self-Relieving

Seat / Seal Material

  • PCTFE
  • PEEK
  • Polymide
  • PTFE
  • Tefzel

Supply Pressure - Maximum

  • bar: 414
  • kPa: 41,368
  • psig: 6,000

Vent

  • Captured

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