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CNG Reducers Model AT04

Electronic reducer for traditional CNG systems

Tomasetto CNG pressure reducer, model AT04, is a 3 stages electronic reducer for traditional systems.
Compact and very reliable, it is homologated in accordance with ECE R110 and complies with ISO 15500 standards. This reducer is equipped with a double regulation system to obtain always the best performances.
Reducer inlet is provided with an adjustable fitting that has also the connection for pressure manometer.

Model AT04 is available in 3 versions, dedicated to different types of engines: 100 HP - 140 HP and SUPER.

Version 100 HP 140 HP SUPER
Type of product CNG traditional reducer CNG traditional reducer CNG traditional reducer
Material Die cast aluminium body Die cast aluminium body Die cast aluminium body
Weight 1.85 kg 1.85 kg 1.85 kg
Dimensions (mm) 155x190x110 mm 155x190x110 mm 155x190x110 mm
Max inlet pressure 26 MPa (260 bar) 26 MPa (260 bar) 26 MPa (260 bar)
Outlet pressure depending on the mixer depending on the mixer depending on the mixer
Coil voltage 12 V DC 12 V DC 12 V DC
Coil power 17 W 17 W 17 W
Coil connection Fast-on (AMP on request) Fast-on (AMP on request) Fast-on (AMP on request)
Inlet Connection M12x1 pipe ø 6 mm M12x1 pipe ø 6 mm M12x1 pipe ø 6 mm
Outlet connection Swivel fitting ø 19 mm Swivel fitting ø 19 mm Swivel fitting ø 19 mm
Engine power * up to 75 kW up to 105 kW up to 140 kW
CNG flow rate 22 kg/h 30 kg/h up to 40 kg/h
Working temperature -40° C/+120° C -40° C/+120° C -40° C/+120° C
* with T>-10 °C; lower temperatures decrease reducer's efficiency; in case of permanently higher temperatures, the reducer can be used also on more powerful engines