Betts 4 in. Flat Seat Aluminum Emergency Valve w/ Air Cylinder – Air Operated

Description

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. Specifications • Cable operated • Outlet: 4 in. Flange • Seals: Viton • Force rating from TTMA RP86: 15,500 lb. * Never bottom load through emergency valves without first opening valve. Failure to do so may result in damage to the tank and or valve. Dimensions Dimensions • A: 4.38 in. • B: 5 in. Inlet Flange • B.C.: 7.25 in. • Holes: 8-9/16 Outlet Flange • B.C.: 5.88 in. • Holes: 8-7/16 Downloads Part List