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Gas Delivery Regulators



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1/4” - 1” NPT, BSPT
Spring Reference & Pilot Operated
Inlet 550 Psig (38 Bar)

Description

The GDR Series Regulator provides reliable, precise pressure control in the most demanding applications. Optimized Venturi and spring design assures high flow with extremely low droop characteristics. Solid non-tied diaphragm and all brass construction guarantees leak free long lasting performance. Fully balanced design virtually eliminates outlet pressure fluctuations due to inlet pressure variations. All GDR Series regulators are 100% factory tested, cleaned and packaged for oxygen service.

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Features

  • Fully Balanced Design maintains a constant delivery pressure regardless of inlet pressure fluctuations
  • Fully Supported, Solid Non-Tied Diaphragm for long leak free service life
  • Flow Rates to 20,000 SCFH
  • Optimized Spring Design and Unique Venturi Tube allows for high flow rates with minimal pressure droop effect
  • Pilot Operated (dome loaded) Configuration maintains virtually constant outlet pressures
  • Vent Chamber to Stack with Pipe-a-Way Option
  • Side Venting Chamber option prevents moisture accumulation when mounted horizontally
  • Cleaned and Packaged for Oxygen Service

Materials of Constructions

  • Forged Brass Body and Spring Chamber ASTM 377
  • Brass Adjustment Screw, Valve, Valve Stem, Spring Button, Spring Retainer and Venturi Tube ASTM B16
  • 303 Stainless Steel Chamber Insert ASTM A276
  • Color Coded, Chrome Vanadium Adjustment Springs ASTM A-231
  • 302 Stainless Steel Valve Spring ASTM A-313
  • GLT Viton or EPDM on Nylon Diaphragm
  • GLT Viton or EPDM Seats amd Seals
  • Stainless Steel Trim (Flange Screws and Lock Nut)
  • Note: EPDM seals recommended for CO2 service

Tech. Data (GDR-500)




Tech. Data (GDR-1000)




Pilot Operated

How To Order

Note: All 4 port Regulators Have 1/4" FNPT Gauge Ports.

PROPER COMPONENT SELECTION - When specifying a component, the total system design must be considered to ensure safe and trouble-free performance. Intended component function, materials compatibility, pressure ratings, installation, environment and maintenance are the responsibility of the system designer.

Repair Kits

PROPER COMPONENT SELECTION - When specifying a component, the total system design must be considered to ensure safe and trouble-free performance. Intended component function, materials compatibility, pressure ratings, installation, environment and maintenance are the responsibility of the system designer.

Replacement Spring Kits

PROPER COMPONENT SELECTION - When specifying a component, the total system design must be considered to ensure safe and trouble-free performance. Intended component function, materials compatibility, pressure ratings, installation, environment and maintenance are the responsibility of the system designer.