Brass Needle Valve
Brass needle valve providing extremely fine flow adjustment through a tapered needle and matched seat design. Multiple turns from open to closed allow precise metering control for instrument connections, sampling systems, and gauge isolations. Manufactured from CZ121 brass with precision lapped internals.
Features
- Tapered needle for ultra-fine flow adjustment
- Multi-turn stem for precise metering
- High-pressure rated for instrument service
- Lapped needle and seat for bubble-tight seal
- PTFE packing gland for leak-free operation
Applications
Pressure gauge isolationInstrument air supply regulationChemical dosing systemsFluid sampling line control
Specifications
| Material | Details |
|---|---|
| Material | CZ121 (CW614N) |
| Size Range | 1/8" – 1/2" BSP |
| Thread Type | BSP Female/Female |
| Pressure Rating | 35 bar |
| Temperature Range | -20°C to 150°C |
| Finish Options | Natural Brass, Nickel Plated |
| Weight | 45g – 220g (varies by size) |
| Standard | BS EN 19, DIN 3535 |
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