Safety Valves

KNG573 ASME Code Safety Relief Valve

The KNG573 ASME Code Safety Relief Valve is engineered, designed, and produced for accuracy and reliability. It is a high capacity safety valve used for boilers, piping lines, and vessel protection. Designed and engineered for heavy-duty industrial use. ASME and National Board Certified for Section VIII, as well as CE and CRN Certifications. Stainless steel body and disc (trimming); Bronze bonnet with stainless steel springs. ASME Section VIII for steam and air/gas.

Captured Exhaust


1/2", 3/4", 1", 1 1/4", 1 1/2", 2", 2 1/2"

Pressure Range

1 – 300 PSI

Temperature Range

-20°F to 425°F


Brass, Stainless Steel


Air, Gas, Steam


Canadian Registration Number (CRN), CE, National Board/ASME Section VIII


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