RAIL GAS INJECTOR
Model: IG7 Dakota – CNG & LPG
IG7 Dakota Dimension – 4 cylinder
IG7 Dakota Dimension – 3 cylinder
IG7 Dakota Dimension – 2 cylinder
IG7 Dakota Injector – Characteristics
Characteristic Unit Value Note
Injector Version N° of cylinders 2,3,4
Material body and treatment Aluminium
From 0,5 to 2,0 (7 to 29) Working pressure
Relative Pressure Bar (Psi)
4,5 (65) Max pressure
Rated voltage (at coil) Volt 10,8 - 14,4
Minimum copper wire section for
mm2 0,75
coil connection
Coil type by encoding E2
Resistance Ω 2 ± 5% at T= 25°
Suggested peak current time
ms 2,4
(duration)
Suggested peak current value A
Suggested holding current (±10%) A 1,4
Increase up to 20% the "peak current time" for first cycles
Cold Starting Requirements
when gas temperature is < 10°C
IG7 Dakota Injector – Characteristics
(±10% - total injection time 5
ms) ± 5% tested without
Complete OPENING Response Time ms 1,7 nozzle at 14V Dp=1bar T=
25°C
Complete CLOSING Response Time ms 1,4
tested with 2 mm nozzle
Minimum injection pulse ms 1,8 diameter at 14V Δp=1bar T=
25°C
Stroke Micron 470
Seat Diameter mm 3,3
115 at 1 bar inlet pressure
Static flow rate (with max nozzle Φ)
SLPM (sL/min)
for 1 single injector at 20°C (with air) 170 at 2 bar inlet pressure
1,7 at 1 bar inlet pressure
Calculated max flow rate(with max gr/sec
2,54 at 2 bar inlet pressure
nozzle Φ) for 1 single injector CNG
at 20°C (G20 CNG fluid) 6,2 at 1 bar inlet pressure
Kg/h
9,4 at 2 bar inlet pressure
2,8 at 1 bar inlet pressure
Calculated max flow rate(with max gr/sec
4,1 at 2 bar inlet pressure
nozzle Φ) for 1 single injector LPG
at 20°C 10,3 at 1 bar inlet pressure
Kg/h
14,8 at 2 bar inlet pressure
Leakage (tested with air) cc/h ≤ 15
Noise level dB T.B.D ±1 dB Rail Test Condition
Compatibility with gas LPG, CNG
Driver Stage Peak and Hold (PWM)
2 way Amp/Delphi super About connecting wire, refer
Coil Connector type seal fermale connector to our drawing, code
with tab contacts 114.01.AMP.001
IG7 Dakota Injector – Characteristics
Inlet gas fitting for rubber hose mm ᴓ10 mm / ᴓ12 mm / ᴓ14 mm / ᴓ16 mm
Calibrated nozzles M8x1 for rubber hose ᴓ 4 mm - ᴓ 5 mm
Outlet gas fitting
- ᴓ 6 mm
Calibrated hole ᴓ range (for From 1,00 to 3,25 mm (0,25
ᴓ
nozzles) mm step)
110R-00 67R-01
Approvals
(-40°C / +120°C)
Operating Ambient Temp Range °C
Principle of operation Solenoid valve - Normally closed - Mobile Plunger
Power handling capability LPG HP/cyl 1 bar up to 40 HP/cyl
Power handling capability CNG HP/cyl 2 bar up to 35 HP/cyl
Coil IP Rating
IP54
IG7 Dakota Injector – Characteristics
Injection time (ms) 1,6 1,8 2 2,2 2,4 2,6 2,8 3 3,2 3,4 3,6 4,2
Seat N°1 (slpm) 2,2 4,7 5 6,89 8,16 9,31 10,25 11,4 12,68 13,75 14,81 18,16
Testing condition: @6000rpm, @12V ECU supply voltage, @1bar inlet pressure
IG7 Dakota linearity
18
16
14
12
10
Flow
(slpm)
8
0
1 1,5 2 2,5 3
Inj. Time (ms)
IG7 Dakota Injector – Noise comparison
74
72
70
68
66
64
62
60
58
IG7 Dakota Competitor 1 Competitor 2 Competitor 3
Model
IG7 Dakota Injector – Reliability test
Test Test condition
Compatibility ECE R67 (LPG) and ECE R110 (CNG)
Working Life 1000 mln cycles
Corrosion resistance
Ozone ageing In compliance with ECE R67 and ECE R110
Vibration In compliance with ECE R67 and ECE R110
High temperature exposure In compliance with ECE R67 and ECE R110
Low temperature exposure In compliance with ECE R67 and ECE R110
Leakage In compliance with ECE R67 and ECE R110
Over pressure In compliance with ECE R67 and ECE R110
Over voltage
Pneumatic Strenght
Automotive fluid
