CNG Regulators Model AT12 STANDARD

Regulator for CNG sequential injection systems

Tomasetto CNG pressure reducer model AT12 is a 2 stages pressure reducer for sequential injection systems.
Compact and very reliable, it is homologated in accordance with ECE R110, approved in accordance with Enargas, Inmetro and other local regulations.The outlet pressure is adjustable from 0.12 to 0.25 MPa to obtain always the best performance.The reducer inlet is provided with an adjustable swivel fitting and the connection for pressure manometer. In the new version 2019, the main body shape has been modified in order to improve the heating circuit and to allow the use of bigger water fittings d.16 mm (when needed); it is also possible to put water fittings in 2 different layouts (parallel or at 90° like in previous version)  with the aim to ease the installation.


Model AT12 Standard version is equipped with a low pressure solenoid valve.

AT12 v.2019 maintenance kit (for Serial Number >542200): RMAT2180

AT12 e AT12 v.2019 maintenance kit (for Serial Number <542200): RMAT2170

Category: SKU: RMAT3860


Type of product CNG sequential regulator
Material Die cast aluminium body
Weight 1,45 kg
Dimensions (mm) 120x150x155 mm
Max inlet pressure 26 MPa (260 bar)
1° stage pressure 0,60 Mpa (6 bar)
Outlet pressure * adjustable from 120 to 250 kPa
Coil voltage 12 V DC
Coil power 17 W
Coil connection Fast-on (AMP upon request)
Inlet connection M12x1 pipe Ø 6 mm
Outlet connection Fixed fitting Ø 12,5 mm
Water connection for rubber pipe Ø 8 mm
Engine power** up to 125 kW
Water fitting Ø 8 mm

* referred to the map
** maximum value reachable with ideal system and ambient conditions