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Gas Delivery Regulators



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1/4” - 1” NPT, BSPT
Spring Reference & Pilot Operated

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.

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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
  • Note: Regulators supplied with Nitrile Seals are not 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 Fluoroelastomer (FKM), EPDM, or Nitrile on Nylon Diaphragm
  • GLT Fluoroelastomer (FKM), EPDM, or Nitrile Seats and Seals
  • Stainless Steel Trim (Flange Screws and Lock Nut)
  • Note: EPDM seals recommended for CO2 service. Nitrile Seals recommended for NG service.

Tech. Data (GDR-500)




Tech. Data (GDR-1000)




Pilot Operated

How To Order


Note:
All Regulators are supplied with 2 (two) ¼” NPT Pipe Plugs. Pipe plugs are supplied finger tight.
Final installation is the responsibility of the end user

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.