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Features and Benefits
·Both inlet and outlet connections are cast integral with body to permit easy inspection and servicing without disconnecting piping
·Beveled seats lapped for optimum performance.
·SS spring for optimum corrosion resistance.
Model Descriptions
Model 20: All bronze, with pressure-tight cap. Suitable for maximum back pressure of 50 psig.
Model 20M: Same as Model 20 except SS trim (available in 2 ½ -inch and 3-inch only) (seat and disc). For higher pressure settings or severe applications. Maximum back pressure of 50 psig.
Model 20P: Same as Model 20 except with packed lift lever. Suitable for maximum back pressure of 50 psig.
Model 20MP: Same as Model 20M except with packed lift lever Maximum back pressure of 50 psig.
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Pressure and Temperature Limits
Model 20:
1 to 300 psig
-60° to 406°F
Model 20M:
1 to 500 psig
-60 to 406°F
Applications
·Non-code liquid relief
·Overpressure relief and protection of pumps, tanks, lines and hydraulic systems
·Pressure regulation.
·Continuous by-pass relief. |
