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Home > Product Solutions > Air Trap - For High Viscosity Fluids

TATSU2 Air Trap

For High Viscosity Fluids


Discharge condensate mixed with high-viscosity fluids such as oil from compressed air distribution piping using TLV's TATSU2 air trap for high viscosity fluids.

Hydraulic oil can get mixed in with condensate during transport through compressed air piping. This often clogs air traps, impeding discharge.

The Tatsu2 was purpose-built with a large 16 mm (5/8") diameter valve orifice and a special self-cleaning function to automatically discharge condensate and oil. This unique design helps prevent damage to the equipment and the products being manufactured.


THE TATSU2's innovative design includes:

  • A large 16 mm (5/8") diameter orifice for easy discharge of oil, rust and scale
  • A large condensate discharge capacity, reaching up to 7.4 t/h (16,280 lb/h)
  • Automatic self-cleaning function during operation keeps the valve seat free of any blockage


Applications include:

  • Air piping containing oil, rust or scale
  • Air-using receiver tanks or other equipment with higher viscosity condensate.

Application Drawing : Receiver Tank

Application Drawing : Receiver Tank
Without a pressure-balancing line connected between the trap cover and a dry portion of the piping/receiver tanks, air binding may occur.

Operation Animation

Condensate and oil flow into the trap and accumulate.

When the condensate level in the trap body rises to a point where the floats lift the float holder, the pilot valve opens with the help of the coil spring.

When the pilot valve opens, secondary pressure air enters the pressure chamber lowering the piston and opening the main valve to discharge condensate.

While the condensate inside the float cover discharges, the floats fall and cause the pilot valve to close. The pressure in the pressure chamber is released to the outlet and the piston rises to close the main valve after a slight delay to allow the main valve to self-clean during discharge.

When enough condensate has accumulated, the cycle begins once again.


Model Appearance Piping Orientation Max Operating Pressure (MPaG) Max Condensate Load (kg/h) Body Data Sheet
TATSU2 Vertical 1.0 7400 Cast Iron 319 kb