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Model Family 40(Standard Products)

Models 40R, 40RL

Non-code Steam Service, Sentinel Relief Valves

Pressure Range: 1 psig to 400 psig

Temperature Range:
-60 °F(-51.11°C) to 850 °F(1562°C)
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.
Applications:
  • Sentinel (warning) on steam equipment. Intended as audible warning device, not for pressure relief.
  • Steam turbines

Click on the Valve Style to View a List of Products

1 - 2 of 2 Styles Available.
Valve StyleDescription
Model 40R1/2-inch or 3/4-inch male NPT inlet with top discharge to give visible warning of system overpressure.
Model 40RL1/2-inch or 3/4-inch male NPT inlet with top discharge to give visible warning of system overpressure. Plain lift lever.
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