Manufacturers of Quality Storage Tank Equipment Since 1898

No. 85-I Inline Flame Arrester

The Tokheim Flame Arresters consist of a two piece cast iron housing and an aluminum plate stack. The plates are 1-1/4" wide, 4-3/8" long, and .061" thick. A total of 33 plates are spaced .020" apart to make a stack of 2-11/16". Fire cannot flash through this plate stack.

The units may be used on vent pipes from 3/4 to 2 inches in diameter. Working pressure on threaded in-line is 380 psi.


Be sure plate stacks and base are free of any packing materials. Apply pipe sealer to connecting pipes, screw arrester on pipe by hand. Then tighten securely with a pipe wrench applied to flanges of unit.


Flame arresters have no moving parts, however it is important to inspect and clean the plate stacks periodically. To inspect, remove the bolt holding the case halves together. Remove plates stacks and inspect by holding up to lights. Spaces between plates should be open. To clean plate stack, immerse in warm soapy water and agitate to remove dirt. Rinse well with water and blow dry with compressed air. Clean unit with soft cloth dampened with naphtha. Replace plate stack and tighten nuts firmly.