Products

3″ tapered seat stainless (with air cylinder)

features

  • Air or Cable 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.

Left-hand valves are available with air cylinder or cable lever arm on opposite side of valve as shown at right. Add suffix –005 for left-hand option. Add suffix –004 for optional screen.