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The PR-5 Series pressure regulator is designed for service at high flows with good sensitivity and regulation. While the design was originated for gas systems, this valve is perfectly suitable for liquid systems that are compatible with the materials of construction. The PR-5 also performs well with jest a few liters per minute of flow.

This series is a variation of the time proven PR-1 Series which has been used for many applications in systems requiring stainless steel construction. The exact package size of the PR-1 has been retained making it convenient for the user to interchange these units if better control at high flow rates is required.

Features & Specifications
  • High flow capability in compact size
  • Minimum droop with large flow increases
  • Bubble-tight shutoff
  • Stainless steel cap & adjusting screw provided with stainless steel unit
  • Materials of construction: stainless steel, brass, Teflon®, Viton®, Kalrez®, Buna N, or EPR
  • 20 micron inlet filter
  • Operating temperatures up to +400º F (+204º C)
  • Ideal for line regulator applications
  • Teflon®/Viton® diaphragm standard up to 50 psig
  • Inlet pressure 300 psig
  • Adjustable outlet ranges 0 - 10, 0 - 25, 0 - 50, 0 - 100, & 0 - 250 psig
  • Cv flow coefficient 0.20
Unit of Measure

Specifications

Body Material

N/A 316L Stainless Steel

Seat Material

N/A Viton®

Max. Operating Pressure

N/A 300 psig

Operating Temperature

N/A -40 to 204 ºC-40 to 400 ºF

Outlet Range

N/A 0 to 250 psig

Flow Coefficient (Cv)

N/A 0.20

Process Port Type

N/A 1/4" FNPT

Port Configuration

N/A Standard

Diaphragm Type

N/A Standard diaphragm

Diaphragm Facing/Backing Material

N/A Teflon®/Stainless Steel

Cap Assembly

N/A Captured vent, aluminum

Surface Finish of Diaphragm Cavity

N/A < 25 Ra, Standard

Optional Cap Finish

N/A Chrome plated Electroless Nickel plated

Weight

N/A 1.9 lbs

Options

N/A

  • Panel mount (requires 1 3/8" mounting hole)
  • Extra ports
  • Special welded connections
  • Pressure gauges
  • Captured vent



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