Diaphragm Valves
DV-series diaphragm valves include low- and high-pressure versions, cylinder-valve designs and serviceable-seat configurations. Specify the series and operating pressure rather than selecting by appearance.
Catalogue specifications & selection data
| Series / item | Manufacturer reference data |
|---|---|
| DV1 | 1/4–1 in; forged body; working pressure 300 psig |
| DV2 | 1/4–3/4 in; forged body; working pressure 300 psig |
| DV3 | 1/4–3/4 in; bar-stock body; working pressure 300 psig |
| DV4 | Forged body; working pressure 3,500 psig |
| DV5 / DV6 | High-pressure version 3,050 psig; low-pressure version 250 psig |
| DV7 | Ultra-high-purity cylinder valve; high-flow design |
| DV8 | Working pressure 3,500 psig |
| DV9 | Removable-seat 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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