Application:

  • used in temporary plant/factory air lines, construction sites, shipyards or utilities
  • not for use in applications where 100% of the available air is required, i.e. sand blast, pile driving rigs,expansion joint blow down pipes, etc.

Features:

  • high flow valve provides optimum performance
  • controls excess air flow (SCFM) in only one direction
  • automatically senses change in air flow and shuts off the flow in the event of a surge in excess of valve flow rating thus preventing hose whip
  • solid brass body and valve
  • stainless steel spring and roll pin
  • maximum operating pressure: 350 PSI
  • maximum temperature: 250°F (121°C)
  • does not prevent backflow

Specification:

  • conforms to OSHA regulation 1926.302 (b) (7) requiring a safety device at the source of the air supply and at branch air lines