Models 40R,
40RL
Non-code Steam Service, Sentinel Relief Valves
Model
Descriptions
Model 40R: 1/2-inch or 3/4-inch male NPT inlet with top discharge to give
visible warning of system overpressure.
Model 40RL: Same as Model 40R with plain lift lever.
Note: For other
valves suitable for sentinel (warning) service, see Model 1and Models 264, 265
Pressure and
Temperature Limits
1 to 400 psig -60° to 850°F
Applications
- Sentinel (warning) on steam equipment.
Intended as audible warning device, not for pressure relief.
- Steam turbines.
Options
No Options Available
Features and
Benefits
- All parts are
Stainless Steel
- Precision lapped
beveled seats for optimum performance.
- Pivot between spring
and disc corrects misalignment and compensates for spring side thrust.
