Parker R230-02E 1/4 in NPT 0-2 PSIG 250 PSIG Max Pneumatic Pressure Regulator
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The Parker Watts R230-02E is a new diaphragm-operated compressed air pressure regulator with 1/4 in NPT inlet and outlet ports, a output pressure range of 0–2 PSIG, and a maximum supply pressure of 250 PSIG. The regulator features a large knurled top-mounted adjustment knob with a threaded stem, a die-cast zinc body with a molded composite bonnet, and operates across a temperature range of -40°F to 160°F (-40°C to 71°C). The R230 series is a relieving-type regulator from Parker's Watts pneumatics line, suited for low-pressure instrument air circuits, pneumatic control systems, and applications requiring precise sub-2-PSI output regulation. Date code 07/25 visible on the adjustment knob label confirms this is recent production stock. Two gauge port plugs are included as shown in the photos.
Product Specifications
| Brand | Parker Watts |
| MPN | R230-02E |
| Port Size | 1/4 in NPT |
| Output Pressure Range | 0–2 PSIG |
| Max Supply Pressure | 250 PSIG |
| Operating Temp Range | -40°F to 160°F |
| Actuation Type | Diaphragm |
| Regulator Action | Relieving |
| Adjustment Type | Knurled knob, top-mounted |
| Body Material | Die-cast zinc |
| Flow Rate (Max) | 80 CFM |
| Gauge Port | Included (plugged) |
| Date Code | 07/25 |
| Condition | New |