Alco N Series High-Pressure Needle Valve, 1/2" Female NPT, 3000 psi, SS316, N4NS-3K
KWD 21.000
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Technical overview
The Alco N4NS-3K is a 1/2" female NPT high-pressure needle valve rated to 3000 psi at 38°C, with an operating temperature range of -40 to +230°C. It features an SS316 straight-pattern body, metal-to-metal seat, hardened 17-4PH non-rotating tip, RTFE packing and a stainless steel T-bar handle. It is designed for controlled flow and reliable isolation of pressure gauges, transmitters, sampling lines and other small-bore process connections.
Key Features
- Rated to 3000 psi at 38°C
- 1/2" Female NPT end connection
- Compact SS316 straight-pattern body
- Metal-to-metal seat for positive shutoff
- Hardened non-rotating tip helps reduce wear
- RTFE packing with back-sealing stem
- Made in UK.
Applications
- Gauge and pressure transmitter isolation
- Sampling panels and analyzer lines
- Chemical injection and dosing skids
- Hydraulic and pneumatic control lines
- High-pressure process isolation and throttling
Specifications
SeriesN Series
Maximum Pressure3000 psi @ 38°C
Temperature Range-40 to +230°C
Connection Size1/2" Female NPT
Valve PatternStraight / inline
Body Material316 Stainless Steel
Packing MaterialRTFE
Orifice Size5 mm
Stem TipHardened non-rotating 17-4PH