Needle Valves
NV-series needle valves include forged-body, union-bonnet, toggle and cryogenic configurations. Compare series-specific pressure ratings and confirm the seat, packing and connection before ordering.
Catalogue specifications & selection data
| Series / item | Manufacturer reference data |
|---|---|
| NV1 | Maximum working pressure 6,000 psi; one-piece forged body, two-piece stem |
| NV2 | 10,000 psi; one-piece forged body, two-piece stem |
| NV3 | 10,000 psi; union bonnet, two-piece stem |
| NV4 | 5,000 psi; one-piece forged body, compensating packing |
| NV5 | 6,000 psi; compact forged body, compensating packing |
| NV6 | 300 psi; toggle operation |
| NV7 | 3,000 psi; forged body, non-rotating single stem |
| NV8 | 6,000 psi; bar-stock body, two-piece stem |
| NV9 | Extended-stem cryogenic design; catalogue minimum temperature −196 °C; pressure not stated on overview |
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 Instrumentation Valves
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