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GDR Series Gas Delivery Regulator
Brand: Generant Inc
The GDR Series Regulator provides reliable and precise pressure control in the most demanding applications.
Optimized spring design with unique Venturi design assures high flow with extremely low droop characteristics. Solid, non-tied diaphragm and all brass construction will provide leak-free and long-lasting performance.
Regulator is fully balanced to virtually eliminate outlet pressure fluctuations due to inlet pressure variations. All GDR Series regulators are 100% factory tested.
Features- Fully balanced design: Maintains a constant delivery pressure regardless of inlet pressure fluctuations
- Optimized for high flow: Unique Venturi tube and optimized spring design allows for high flow rates
- Wide pressure range: Inlet pressures up to psi: 550 (kPa: 3,792, bar: 37.92), outlet pressures up to psi: 450 (kPa: 3,103, bar: 31.03)
- Solid, non-tied, diaphragm: Solid diaphragm eliminates potential leak path and increases sensitivity
- Configurable: Order regulators with various porting options, panel-mounted, with chamber pipe-a-way, or pilot operated
- Oxygen service compatible: Designed for use in oxygen service and cleaned for use in O2 service standard
Specifications
Brand
BSP Connection
- 1” BSPT Female
- 1/2” BSPT Female
- 1/4” BSPT Female
- 3/4” BSPT Female
Diaphragm Material
- EPDM
- FKM
- Nitrile
Enclosure, Body Material
- Brass
Flow Capacity
- Fail Open Flow Coefficient: 1.6 to 2.9 Cv - GDR-500
- Fail Open Flow Coefficient: 5.8 Cv - GDR-1000
Flow Rate
- Usable: 1.5 Cv, Max.
- Usable: 2.7 Cv, Max.
Materials of Construction
- Chamber Insert: 303 Stainless Steel, ASTM A276
- Trim (Flange Screw & Locknut): 301 Stainless Steel (18-8)
- Valve, Spring Button, Spring Retainer, Venturi Tube: CDA 360 Brass, ASTM B16
Mounting
- Panel Mount
NPT Connection
- 1” NPT Female
- 1/2” NPT Female
- 1/4” NPT Female
- 1/4” NPT Male
- 3/4” NPT Female
- 3/8” NPT Female
Pilot Pressure
- psig: 250 (kPa: 1,720, bar: 17.2) - Max.
- psig: 450 (kPa: 3,100, bar: 31) - Max.
Pressure Range
- bar: 0 to 15.5
- bar: 0 to 31
- kPa: 0 to 1,550
- kPa: 0 to 3,100
- psi: 0 to 225
- psi: 0 to 450
Screw Material
- Adjustment Screw: CDA 360 Brass, ASTM B16
Seat / Seal Material
- Soft Seal (Valve & O-Ring): EPDM
- Soft Seal (Valve & O-Ring): FKM
- Soft Seal (Valve & O-Ring): Nitrile
Spring Material
- Adjustment Spring: Chrome Silicon, ASTM A401 - GDR-1000
- Adjustment Spring: Music Wire, ASTM A228 - GDR-500
- Valve Spring: 302 Stainless Steel - ASTM A313
Stem Material
- Valve Stem: CDA 360 Brass, ASTM B16
Supply Pressure - Maximum
- bar: 27.6
- bar: 37.92
- kPa: 2,760
- kPa: 3,792
- psi: 400
- psi: 550