WR1 and WR2 are compact regulators for water, also usable with general industrial pure water and compressed air. Port sizes are Rc1/8 to Rc1/2, a mesh filter is supplied as standard, and a single push locks the pressure adjustment knob.
| Working Fluid | General industrial pure water, compressed air |
| Max. Working Pressure | 1.0 MPa |
| Proof Pressure | 1.75 MPa |
| Ambient / Fluid Temperature | 5 to 60 °C |
| Set Pressure | Standard 0.05 to 0.70 MPa, low pressure 0.02 to 0.35 MPa |
| Pressure Relief | Non-relief |
| Port Size (IN/OUT) | WR1: Rc1/8, Rc1/4; WR2: Rc3/8, Rc1/2 |
| Pressure Gauge Port Size | Rc1/8 |
| Weight | WR1: 0.22 kg; WR2: 0.41 kg (Rc3/8), 0.44 kg (Rc1/2) |
| Standard Accessories | With mesh filter |