Models 40R, 40RL

40R

1/2-inch or 3/4-inch male NPT inlet with top discharge to give visible warning of system overpressure.

Features

  • All parts are SS.
  • Precision lapped bevelled seats for optimum performance.
  • Pivot between spring and disc corrects misalignment and compensates for spring side thrust.

Model 40R

Pressure Limit:1 to 400 psig
Temperature Limit:-60° to 850° F

Applications

  • Sentinel (warning) on steam equipment. Intended as audible warning device, not for pressure relief.
  • Steam turbines.

1/2-inch or 3/4-inch male NPT inlet with top discharge to give visible warning of system over pressure.

Model 40RL

Pressure Limit:1 to 400 psig
Temperature Limit:-60° to 850° F

Applications

  • Sentinel (warning) on steam equipment. Intended as audible warning device, not for pressure relief.
  • Steam turbines.

Same as 40R with plain lift lever.