Morrison Bros 245-0800 AV 8" 8oz Lightweight Female Emergency Vent - Aluminum Handle Dual seats provide twice the

Dual seats provide twice the prime holding capability as single poppet designs

Operates on as little as 20 psi (1

With a max fluid viscosity of 40 wt

Every pump is tested prior to shipping

Adjustable linkage

Morrison Bros 245-0800 AV 8" 8oz Lightweight Female Emergency Vent - Aluminum Handle Dual seats provide twice theThis lightweight, spring loaded emergency vent (pressure relief only) is used on aboveground storage tanks, as a code requirement, to help prevent the tank from becoming over pressurized and possibly rupturing if ever exposed to fire. This vent must be used in conjunction with a normal vent. Correct application of this vent requires proper vent size and selection for the tank system in order to meet the specific venting capacity. Materials of