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The PR-7 Series has been designed for those applications using high gas flow rates while still requiring a compact package. In addition, this unit will handle hydrogen flows up to 1000 liters per minute with none of the resonance problems typical with many regulators attempting such an application.

While designed for gas flow applications with low inlet pressures and low differential pressures, this valve has been constructed to withstand inlet pressures up to 3600 psig. With capability of holding outlet pressures closely with large changes of flow requirements, this valve is very suitable as a primary pressure supply to other pressure regulators located downstream.
Unit of Measure

Specifications

Brands

 N/A GO Regulator, Inc.

Weight

 N/A 3.2 lb1.45 kg

Inlet and Outlet Connections

 N/A 1/2 in. Female National Pipe Tapered (FNPT) 1/4 in3/8 in

Operating Temperature

 N/A 250 ºF121 ºC

Body Material

 N/A 316L Stainless Steel, Stainless Steel Diaphragm

Port Configuration

 N/A Standard

Process Port Size

 N/A 1/2 in

Process Port Types

 N/A Tri-clover

Gauge Port Size

 N/A 1/4 in

Gauge Port Types

 N/A Female National Pipe Tapered (FNPT) Gauge Port, Standard

Surface Finish of Diaphragm Cavity

 N/A < 25 Ra

Seat Material

 N/A Fluorocarbon (FKM)

Flow Coefficient (Cv)

 N/A 1.1

Outlet Range

 N/A 0 to 25 psig

Diaphragm Type

 N/A Self-Relieving

Diaphragm Facing Material

 N/A Polytetrafluoroethylene (PTFE)/Metal Backing

Cap Assembly

 N/A Standard, Stainless Steel

Features and Specifications

Features and Specifications

 N/A
  • Minimal droop with large flow increased
  • No resonance with large hydrogen flows
  • Stainless steel diaphragm or INCONEL® diaphragm
  • 316L stainless steel or brass construction (optional HASTELLOY®, MONEL®, or chrome-plated brass)
  • T-handle adjusting assembly for easier adjustment in the 250 and 500 psig ranges
  • Material of construction: Brass, stainless steel, Fluorocarbon (FKM), Polytetrafluoroethylene (PTFE), Polyetheretherketone (PEEK), or Kalrez®
  • Stainless steel cap
  • Cv flow coefficient = 1.1 (full Cv with 1/2" ported unit only)
  • Maximum inlet pressure of 3600 psig with Polyetheretherketone (PEEK) seat
  • Outlet pressure ranges of: 0-10, 0-25, 0-50, 0-100, 0-150, 0-250 and 0-500 psig

Options

Options

 N/A
  • Self-relieving
  • Panel mount
  • Captured vent

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