Pressure Reducing & Back Pressure Regulators
Pressure-reducing regulators control the downstream side, while back-pressure regulators control the upstream side. The table keeps maximum inlet pressure separate from maximum back pressure.
Catalogue specifications & selection data
| Series / item | Manufacturer reference data |
|---|---|
| PR1 | Cv 0.06; maximum inlet 3,500 psig |
| PR2 | Cv 1.0; maximum inlet 3,000 psig |
| PR3 | Cv 0.06; maximum inlet 6,000 psig |
| PR4 | Cv 0.06; maximum inlet 10,000 psig |
| PR5 | Cv 0.06; maximum inlet 3,600 psig |
| PR6 | Cv 3.5; maximum inlet 6,000 psig |
| DPR1 | Two-stage reducing regulator; Cv 0.06; maximum inlet 3,500 psig |
| BR1 | Cv 0.1; maximum back pressure 800 psig |
| BR2 | Cv 0.1; maximum back pressure 10,000 psig |
| BR3 | Cv 0.3; maximum back pressure 250 psig |
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.
View original manufacturer reference · Browse Pressure Control & Filtration
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