- Air Operated
- Tapered Seat
- Teflon Encapsulated Seals
Betts Stainless Steel Emergency Valves are equipped with Teflon encapsulated O-ring seals which are compatible with a wide range of products. The tapered seat is self-cleaning to lessen the possibility of seat damage due to foreign objects. The stuffing box features two O-ring seals to provide positive sealing. The body is 316 stainless steel and incorporates a shear section that satisfies 49CFR§178.345-8 tested per TTMA RP-84.
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 a robust fiber reinforced resin with a polished stainless steel shaft. Cylinders have 1/8” NPT port for air connection and are supplied with a fusible plug installed.