Betts 6” emergency valve meets HM183 requirements for an internal self-closing stop valve.  Body is constructed of aluminum and incorporates a shear section that satisfies 49CFR178.345-8 tested per TTMA RP 84.  The body, disc holder, and bonnet assembly come standard with a black epoxy-coat for added corrosion protection. The valve is available in a flanged or grooved outlet with available body configurations of straight, 90° elbow, or tee style. Valves supplied with universal lever arm with multiple mounting holes for versatile cable attachment.  See catalog section 28 and 29 for mechanical operators and remote control lever.

The Maximum Operating Pressure is defined as the maximum tank pressure that valve can open against using a typical mechanical operator.

Maximum Operating Pressure ŧ12 psi [.83 bar]
Valve MAWP: 25 psi [1.7 bar]
Minimum Bursting Pressure: 100 psi [6.9 bar]