The RD Series Heavy Duty Two-Stage Regulator models are designed for applications where constant delivery pressure is critical. The two-stage design provides precuse uniformity of delivery pressure to meet the most exacting requirements. In addition to industrial use, these regulators are appropriate for laboratory applications and general use.
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- Heavy duty forged brass body and bonnet resists corrosion
- Large 2 3/4" Neoprene diaphragm provides highly sensitive regulation
- Durable Neoprene seat assembly
- Dual inlet filtering extends regulator life
- Large 2 1/2" gauges have easy to read gradients
- Dual safety relief valves protect against over-pressurization
- Hydrogen and Methane gas models equipped with pipe away relief valves
- Replaceable Delrin® thrust bushing allows for easy adjustments
- Weight: 9.5 oz.
- One year warranty
| MODEL | CGA INLET/ GAS SERVICE | DELIVERY PRESSURE RANGE | MAXIMUM FLOW SCFH | INLET PRESSURE PSIG | OUTLET CONNECTION |
|---|---|---|---|---|---|
| RD-1-1* | 510 Acetylene | 0-15 | 800 | 0-400 | 9/16"-18 LHM |
| RD-1A-1* | 300 Acetylene | 0-15 | 800 | 0-400 | 9/16"-18 LHM |
| RD-2-3 | 346 Air | 0-100 | 2600 | 0-3000 | 9/16"-18 RHM |
| RD-2-4 | 346 Air | 0-160 | 2700 | 0-3000 | 9/16"-18 RHM |
| RD-4-3 | 320 Carbon Dioxide | 0-100 | 3178 | 0-3000 | 9/16"-18 RHM |
| RD-6-3 | 350 Hydrogen, Methane | 0-100 | 14,800 | 0-3000 | 9/16"-18 LHM |
| RD-6-4 | 350 Hydrogen, Methane | 0-160 | 16,000 | 0-3000 | 9/16"-18 LHM |
| RD-7-3 | 580 Inert Gas | 0-100 | 3950 (N2) | 0-3000 | 9/16"-18 RHM |
| RD-7-4 | 580 Inert Gas | 0-160 | 4300 (N2) | 0-3000 | 9/16"-18 RHM |
| RD-9-3 | 540 Oxygen | 0-100 | 3710 | 0-3000 | 9/16"-18 RHM |
| RD-9-4 | 540 Oxygen | 0-160 | 4060 | 0-3000 | 9/16"-18 RHM |
| RD-10-2* | 510 Liquefied Fuel Gases | 0-45 | 1140 | 0-400 | 9/16"-18 LHM |
Do not have self re-seating pressure relief valve
