Proportional Relief Valves
RV-series proportional relief valves cover several spring and opening-pressure ranges. Provide the required opening pressure and flow conditions; the range values below refer to the individual series.
Catalogue specifications & selection data
| Series / item | Manufacturer reference data |
|---|---|
| RV1 | Orifice 0.14 in / 3.6 mm; sheet lists 50–6,000 psig across seven spring ranges |
| RV2 | Orifice 0.19 in / 4.8 mm; opening pressure 10–225 psig |
| RV3 | Orifice 0.25 in / 6.4 mm; opening pressure 50–1,500 psig, three spring ranges |
| RV4 | Opening pressure 5–550 psig, three spring ranges; frictionless design |
Source: supplied CIR-LOK / Sailuoke reference sheet. Values are catalogue limits for the named series or configuration, not a combined operating envelope. Pressure capability depends on material, size, seal and temperature. Confirm the exact part and pressure–temperature rating before ordering.
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