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Models 40R, 40RL
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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.
KUKMC-0378-US[1].pdf335.32 KB 
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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.
KUKMC-0378-US[1]_1.pdf335.32 KB 
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