Flanged Full Internal Relief Valves (DOT)

Designed for use in mobile LPG & NH3 containers 1111 a primary pressure relief valve for bobtail and transport trailer installations. All working components are internal to the container connection preventing damage to the valve should a roll-over incident occur. Our unique design incorporales a standard 3″ – 300LB. raised face flange connection to assure a 100% leak free connection for rugged over the road applications. This eliminates problems associated with NPT threaded connections and/or tank coupling wear providing maximum tank and relief valve service life.

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Flow rates are shown as bare relief valve.