is dedicated for vehicles equipped with the CNG (so-called methane) sequential injection systems.

Constant pressure of body components regardless of reducer working temperature and ambient temperature.

The reducer is made of two aluminium castings joined together with bolts and disk springs, thus providing a compact design and constant pressure of both body parts.

Exceptional tightness.

By using disk springs to join the casing body, the reducer tightness has been significantly improved.

High-strength diaphragms

The use of superior materials provides high resistance to extreme conditions inside the reducer (mechanical and thermal loads).

Two-stage control

Due to the two-stage control system used in the reducer, the dependence of outlet pressure on the level in the tank is reduced to a minimum. In the first chamber, the pressure is reduced to a safe level with a lever loaded valve, and then in the low pressure chamber the pressure is adjusted smoothly with a stem valve between 1.6 and 2.4 bar.

Integrated solenoid valve.

Being placed  between the reducer chambers ensures very low pressure drops at high loads and allows gas supply to be quickly cut off in an emergency.

360o fixture – central fitting

The dedicated mounting bracket allows the reducer to be mounted securely in any angular position (within 360°) by using just one screw This is a great advantage in more and more “tight” engine compartments.


The high pressure of CNG  at the reducer inlet is significantly reduced  with a lever loaded valve, thus providing a high level of safety.

Technical specification

Material Two aluminium castings (body and cover)
Weight Reducer: 1.33 Kg,
Complete with accessories: 1.65 Kg
Dimensions 182 x 125 x 82
Maximum inlet pressure 26 MPa
Outlet pressure Adjustable between 1.6 and 2.4 bar
Solenoid valve Gniazdo AMP Superseal (opcja bez zaworu),
Solenoid valve power supply 12V DC
Coil power 11W
Coil connector type AMP Superseal socket
Gas inlet dia. Ø6.0 mm M12x1
Gas outlet dia. Ø12,
Water outlet dia. Ø8
Max. engine power output 250 kM
Pressure gauge fitting G¼”
Approval E8 110R-01 7063


wymiary Reduktora STAG R14



Temperature sensor Czujnik temperatury reduktora
Superseal 1,5 mm AC STAG R14 Superseal 1,5 mm
2.8 mm Superseal AC STAG R14 Superseal 2,8 mm
Reducer mounting grip STAG R14 uchwyt
Barrel AC STAG R14 Baryłka
Barrel clamp AC STAG R14 Docisk baryłki
Mounting elements AC STAG R14 Elementy mocujące




Mobile applications


Controllers LPG/CNG direct petrol injection

Controllers LPG/CNG - DIESEL


Injection rails LPG / CNG

Reducers LPG

Reducers CNG

Fuel injector emulator - Controllers LPG/CNG direct petrol injection

Fuel level emulator

Fuel pressure emulator


Switches petrol / gas

Fuel Level Indicators WPG

Timing Advance Processors

The pressure sensor





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