Pressure And Temper Relief Valve

Model / MPN: 3420 ASSEMBLY 428 3IN | NSN: 4820-01-237-6900

A valve designed to release under excessive pressure and/or excessive temperature by opening at a predetermined pressure and/or temperature. Thermostatically operated valves close when the pressure is relieved or the temperature is reduced. Fusible plug valves require replacement of the plug. See also valve, safety relief and valve, regulating. Temperature.

Product Details

NATO Stock Number

4820-01-237-6900

Sold in multiples of

1 EA

DEMIL

Body Material

Bronze

Body Style

Straight thru

Tempurature Rating

180.0 degrees fahrenheit

Media For Which Designed

Water, fresh

First End Connection Type

Plain face flange

Second End Relationship With First End

Identical

Seat Material

Rubber, buna-n

Flow Control Device

Diaphragm

End Connection Quantity

Valve Discharge Flow Rate

430.0 gallons per minute

Pricing and Availability

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3420 ASSEMBLY 428 3IN Cross Reference

428 3IN DWG 342
BAILY 428 3IN CAST IRON