H 33 N Bi-directional in-line deflagration flame arrester, short-time burning proof

KITO® EFA-Def0-I-…/…-1.2
KITO® EFA-Def0-I-…/…-1.2-T (-TT)

  • For installation into pipes to the protection of vessels and components against deflagration of flammable liquids and gases.
  • Approved for all substances of explosion group IIA1 (old: I) with a maximum experimental safe gap (MESG) ≥ 1.14 mm.
  • Bi-directionally working in pipes, whereby an operating pressure of 1.2 bar abs. and an operating temperature of 60 °C must not be exceeded.
  • The distance be-tween a potential ignition source and the flame arrester must not exceed 50 times the inner pipe diameter.
  • The installation of the defla-gration flame arrester into horizontal and vertical pipes is permissible.
  • When equipped with one or two temperature sensors, the devices are protected under atmospheric conditions against a short time burning by a burning time tBT = 1.0 min.
  • If only one temperature sensor, then it is to be placed on the device side where a burning could be expected.
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