YOSHITAKE AL-150H

1. Basic Introduction
Model: AL-150H Safety Relief Valve
Manufacturer: YOSHITAKE (Japan)
Not a limit switch; it’s a threaded bronze safety valve for steam, water, air & oil systems.
2. Main Specifications
Body Material: Bronze (CAC406)
Trim Material: Stainless Steel SCS14A (valve disc & seat)
Spring Case: Bronze
Connection Thread: JIS Rc internal thread
Nominal Sizes: 15A (1/2″) ~ 50A (2″)
Set Pressure Range: 1.0 ~ 1.6 MPa
Max Operating Temperature:
Steam: 220 °C
Liquid (water/oil): 150 °C
Applicable Media: Steam, compressed air, chilled/hot water, oil, non-hazardous fluids
Structure: Pop-type, fully enclosed screw-in relief valve
3. Key Features
Compact & small footprint for piping installation
Stainless steel internal trim delivers long service life & corrosion resistance
Stable popping action, precise pressure relief without chatter
Sealed design prevents steam/liquid leakage under normal working pressure
Wide compatible pressure range for industrial heating & hydraulic equipment
4. Typical Applications
Steam boilers & steam heating pipelines
Hot water & chilled water circulating systems
Air compressor pressure protection
Hydraulic oil pressure relief circuits
Factory process fluid pressure safety protection
5. Standard Compliance
Complies with Japanese industrial safety standards for pressure relief valves; widely used in Asia, Europe & domestic industrial heating equipment.
Distinction from XCKN2145P20C
XCKN2145P20C: IEC/EN 60947-5-1 travel limit switch (electrical position sensor)
AL-150H: Pressure safety relief valve (fluid pipeline pressure protection component)