Betts flat seat style emergency valves combine Betts quality with an economical design. Valves feature aluminum construction with a specially designed seat disc to provide positive sealing. Shear section tested per TTMA RP84 and meets 49CFR178.345-8. Air operated valves are provided with an external air cylinder to help prevent gasoline or other products from contaminating the air supply. The air cylinder is hard-coated aluminum with a polished stainless steel shaft. Cylinders have 1/8 NPT port for air connection and are supplied with a fusible plug installed.,In compliance with the California Safe Drinking Water and Toxic Enforcement Act of 1986 and its supporting regulations Proposition 65. WARNING – This product contains lead, a chemical known to the State of California to cause cancer and birth defects or other reproductive harm.
