3″ Tapered Seat Aluminum Emergency Valve – Manual – 90 Degree Elbow

  • Cable Operated
  • Stainless Trim
  • Teflon Encapsulated Seals

Betts tapered seat emergency valves are designed and manufactured to use Teflon encapsulated seals for compatibility with a wide range of products. Body is constructed of aluminum with stainless steel trim. Shear section tested per TTMA RP84 and meets 49CFR178.345-8.

Cable operated valves are supplied with a universal lever arm which provides up to 8 cable travel options to work with most operators. Lever arm is “E” Coated to provide exceptional corrosion resistance.

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

Parts List

Product Details

Assembly #OutletWt.DimensionsInlet FlangeOutlet Flange
EV46158ALTS3" Grooved7.5A: 3.50"
B: 6.06"
B.C.: 6.25"
Holes: 6-9/16
B.C.: N.A.
Holes: N.A.
EV46157ALTS3" Flanged7.5A: 3.50"
B: 4.50"
B.C.: 6.25"
Holes: 6-9/16
B.C.: 4.88"
Holes: 8-7/16
Force rating from TTMA RP86: 3" Valves Fb-max=15,300 lb.

CAUTION: Never bottom load through emergency valves without first opening valve. Failure to do so may result in damage to the tank and/or valve.

Engineering Bulletins

EB-01-12: Water Flow Rates of Betts Emergency Valves

EB3-00: MAWP and Bursting Pressure Ratings for Betts Valves

EB-02-03: Cable Emergency Valve System Schematic