Alco UN Series High-Pressure Needle Valve, 3/8" Female NPT, 10000 psi, SS316, UN3NS
Technical overview
The Alco UN3NS is a 3/8" female NPT high-pressure needle valve rated to 10,000 psi at 38°C, with an operating temperature range of -40 to +230°C. Its SS316 straight-pattern construction includes a metal-to-metal seat, hardened 17-4PH non-rotating tip, RTFE packing and a stainless steel T-bar handle. It provides controlled flow and dependable shutoff for instrumentation panels, pressure gauges, sampling systems and high-pressure liquid or gas service.
Key Features
- Rated to 10000 psi at 38°C
- 3/8" 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
SeriesUN Series
Maximum Pressure10000 psi @ 38°C
Temperature Range-40 to +230°C
Connection Size3/8" Female NPT
Valve PatternStraight / inline
Body Material316 Stainless Steel
Packing MaterialRTFE
Orifice Size4 mm
Stem TipHardened non-rotating 17-4PH