Bendix 800155 ST-4 Safety Valve, 200 PSI, 1/4″ NPT

Product Description

  • Manufacturer: Bendix
  • Part Number: 800155
  • Condition: New
  • Pressure Setting: 200 psi
  • 1/4″ pipe thread

Safety Valves are used in an air brake system to protect against excessive air pressure buildup and to sound an audible alert. Safety valves are available in both adjustable (e.g. the Bendix ST-1 valve) and nonadjustable (e.g. ST-3, ST-4 valve) styles, in various pressure settings, and for various port sizes. Maximumservice system air pressure allowed by government regulation is typically 150 psi. Various safety valve settings are used at different points in the charging and treatment system.

Specifically designed for use in compressors, ST-4 safety valves are installed in an extra compressor head discharge port, if available, or in the discharge line near the compressor, to prevent compressor damage in the event of discharge line blockage.

Cross References: 5001909, 1432677, 19-4718
A cross reference listing means that this valve is a suitable replacement for the part numbers listed. Some changes in air line plumbing may be required.


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