STAG AC W02 injectors are designed for LPG and CNG injection systems in all vehicle engines, including turbocharged ones. The device ensures excellent operating parameters and compatibility with other products of AC S.A.

LPG STAG ICONCNG STAG ICONIcon 120temp STAG iconSTAG 100% tested2 years guarantee STAG

Modern design
The injectors have been designed to provide accurate injection times in any conditions.  This has been achieved by using specifically selected materials, a lighter and simpler construction that ensures excellent stability in variable ambient conditions, in particular temperature and pressure.

Innovative heat dissipation system
The injector coil housings are built in the form of radiator – this is an innovative solution – which has not been seen on the market so far – that ensures the best heat dissipation system and guarantees excellent performance.

Ideal system for connecting components
The system for connecting components allows a large number of mounting positions. The unique construction enables the PS-04 integrated gas temperature sensor, vacuum and pressure sensor to be installed on any side. This sensor shows low inertia of the response to gas temperature changes and can be rotated by 360˚ even after it has been installed on the injector.

Measurement accuracy
W02 and W03 injectors, due to excellent opening and closing times, quickly react to minimum and transient control signal changes. The close vicinity of the pressure sensor and the injectors ensures precise measurements as well.

Confguration options

1. ACW02 injector rail with a direct connection of the PS04 sensor allowing sensor turning to adjust its position and ensure precise measurements of pressure and temperature.

Listwa wtryskowa STAG ACW02 + PS04

2. ACW02 injector rail with the PS04 sensor installed on the feeding line, using a T-connector.

listwa wtryskowa STAG ACw02 z czujnikiem PS04

  AC W02 BFC
Gas fow through section at 1.2 bar [l/min] 150
Working temperature [˚C] -20 do +120
Maximum working pressure [bar] 4,5
Opening time / closing time [ms] 2,1/1,2
Suggested nozzle size Ø 2,4; Ø 2,6; Ø 2,8;
Ø 3,0; Ø 3,2;
Gas inlet – pipe stub [mm] Ø 12
Gas outlet – pipe stub [mm] Ø 6
Overall dimensions [mm] 145 x 44 x 60
Service life [km]  
- in urban cycle 100 tys.
- in extra urban cycle 200 tys.
Weight [g] 407


Wymiary STAG ACW02 BFC


  • Pipe connectors
    Króćce orzyłączeniowe STAG
  • Injector nozzles
    Króćce orzyłączeniowe STAG
  • Nozzles to the intake manifold
    Dysze do kolektora dolotowego
  • Injection rail mounting
    Mocowania listwy wtyrskowej
  • Protection
    Zabezpieczenie do STAG AC W02 BFC
  • Snail clamp 7-11
    STAG opaska slimakowa 7-11
  • Snail clamp 12-22
    Opaska ślimakowa 12-22

Mobile applications


Controllers LPG/CNG direct petrol injection

Controllers LPG/CNG DIESEL


Injection rails LPG / CNG

Reducers LPG

Emulatore iniettori - Controllers LPG/CNG direct petrol injection

Emulatore galleggiante benzina

Emulatore di pressione benzina


Switches petrol / gas

Fuel Level Indicators WPG

Timing Advance Processors

The pressure sensor





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