The VELAN® MFA float trap automatically removes accumulated water from compressed air systems. Construction is similar to the Type MFT steam trap except there is no thermostatic element. A boss is provided on top of the cover, tapped for a NPS 3/8 (DN 10) air circulating pipe which is necessary unless the trap is fitted directly under and so close to the drain point that air entering the trap can escape back through the inlet.

Pressure Ranges


  • 0-125 psig

Size Ranges


  • 1/2"
  • 3/4"
  • 1"

Product catalogs

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  • GR250 cast iron body and cover.
  • Pressure assisted fail-open design.
  • WILL NOT PLUG due to copper and iron oxides in the system.
  • Unaffected by water hammer.
  • Self draining - WILL NOT FREEZE when installed in gravity draining position.
  • Internal stainless steel strainer, with optional bloww-off valve.
  • Integral check valve design.
  • The advanced cage unit design in Velan air traps combines an air drain element, hardened Rc 58 min. ball valve and STELLITE6® hardfaced seat area all in one factory-tested unit.