Pressure and Temperature Limits 

Kunkle Model 20: 1 to 300 psi -60° to 406°F 

Kunkle Model 20M: 1 to 500 psig -60 to 406°

Kunkle Model 20: All bronze, with pressure-tight cap.
Suitable for maximum back pressure of 50 psig.

Non-code bronze liquid relief valves

Product Features

• Extra heavy, rugged construction
• Beveled seats lapped for optimum performance
• Stainless steel spring for optimum corrosion resistance
• Both inlet and outlet connections are cast integral with body to permit easy inspection and servicing without disconnecting piping

Specifications

• Sizes 1/2″ to 3″
• Pressures from 1 to 300 psig
• Temperatures from -60°F to 406°F

Service

       • Non-code liquid relief ONLY

Applications

• Overpressure relief, pressure regulation, and continuous bypass relief of pumps, tanks, lines, and hydraulic systems
• Applications include portable or stationary air/gas compressors, pressure vessels, and steam-processing equipment

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