The document discusses Tomasetto Achille Spa, an Italian company established in 1982 that designs and manufactures components for LPG and CNG fuel systems. It operates out of a 7,000 square meter plant in Castegnero, Italy, near Venice, and produces multi-valves, reducers, and other products for the automotive CNG and LPG markets. The company focuses on technology, quality, reliability, and customization to meet customer needs and specifications.

1. Tomasetto Achille Spa
Via del Progresso, 47/53
Castegnero (VI) Italy
Ph. +39 0444 638326
Fax +39 0444 639367
info@tomasetto.com
www.tomasetto.com
LPG/CNG
RAIL INJECTOR
Model IT01
for sequential systems
The Italian Company Tomasetto Achille spa is a leading
Company in designing and manufacturing components
for LPG and CNG systems (traditional and sequential
ones). Established in 1982 by Mr. Achille Tomasetto, the
Company, today, is one of the major manufacturers in
the CNG and LPG automotive markets. Its products are
known everywhere for their technology, their quality and
reliability, as proved by millions of multivalves and reducers
sold in last years. The Company Tomasetto Achille is able
to customize and develop new products, according to the
customer’s requirements and specifications.
100% made in Italy
The Company is located in Castegnero, in a plant of abt.
7000 sq.mt., in the North-East of Italy, near Venice, with
next generation technologies, machining and assembling
equipments, control and testing devices. All products are
internally assembled and 100% tested. Quality of products
and processes, seeking for continuous improvement,
customer satisfaction, high flexibility, continuous
investments in technologies and quickness in replying to
customers’ requirements: these are, since 30 years, the
leading factors that brought the Company to be successful
in the main LPG markets across the world.
30 years of success

2. LPG/CNG RAIL INJECTOR Model IT01
for Sequential Systems
Accessories
LPG/CNG Rail Injector for
4 cylinder vehicles
VERSION
CALIBRATED NOZZLES AS A FUNCTION OF THE ENGINE SIZE
TECHNICAL DATA SHEET
Working pressure
Max pressure
Power supply
Coil resistance
Driver
Peak current
Hold current*
Complete opening time*
Closing time*
Peak current time*
Minimum injection pulse*
Suggested minimum injection time at idle condition
Static flow rate @ 1 bar (for each injector)
Static flow rate @ 2 bar (for each injector)
Body material
Calibrated nozzle material
Electrical connector type
Operating Temperature range
Inlet gas fitting
Outlet gas fitting
Regulations reference
* values depending on the electric response time of the ECU driver.
* Tomasetto test conditions
Specific power LPG
[kW/cylinder]
12
15
17
25
32
41
48
From 0.5 to 2.5 bar gauge
7 bar gauge
12÷14 V
2 ± 5% Ω@20°C
Peak and hold [PWM]
6 A
1.1 A (PWM 10 kHz@DC20%)
2.9 ms@12V
3 ms (PWM 10kHz@DC20%)
4 ms@12V
3 ms@12V
3,5 ms @ 12 V
115 Nl/min in air
170 Nl/min in air
PPS + 40% GF
Brass
AMP superseal 150
-20/+120 °C
Rubber hose d.12 mm
Rubber hose d.6 mm
67R-01 / 110R-00 / 10R-03
IR2008 IR2009 IR2006
IR2011 IR2015 IR3040
IR2018 (4 pcs)
IR2047 (3pcs)
IR2048 (2pcs)
IR2012 (4pcs)
IR2019 (3pcs)
IR2020 (2pcs)
IR2014 (4pcs)
IR2045 (3pcs)
IR2046 (2pcs)
> the power of the single cylinder is obtained as a function of the engine power and the number of cylinders;
> the injection times depend on the electronic system (ECU) and on the injection pressure;
> the indicated values are only a general indication
Specific power CNG
[kW/cylinder]
8,5
10,5
12
17,5
22
29
33
Suggested nozzle size
[mm]
1,25 ÷ 1,75
1,75 ÷ 2
2 ÷ 2,25
2,25 ÷ 2,5
2,5 ÷ 2,75
2,75 ÷ 3
3
Nozzle size
[mm]
1.25
1.50
1.75
2.00
2.25
2.50
2.75
3.00
Code
IR2021
IR2022
IR2023
IR2024
IR2025
IR2026
IR2027
IR2028
LPG/CNG Rail Injector for
3 cylinder vehicles
VERSION
LPG/CNG Rail Injector for
2 cylinder vehicles
VERSION