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Case History

Great projects take light.

Our case histories tell of solutions created ad hoc for our customers, responding to their needs with attention and care.
Discover our work carried out in every part of the world.

Ban Lai Project Thoxuan District, Vietnam
Ban Lai Project Thoxuan District, Vietnam

These cylinders are different from the other ones as they are equipped with internal brakes to allow to reduce the cylinder inertia when starting and ending its stroke.
Like most of our cylinders for dams, they are produced with position sensors and with an anti-corrosive coating hvof.

6 Double-Acting Cylinders For Bottom Outlet Gates.

Pulling Force: 730 Kn

Work Load: 230 Bar When Pulling

Stroke: 3100 Mm

Bore: 250 Mm

Rod: Superficial External Coating Hvof Lc 108 Sp.250 µm

Equipped With Position Sensor

4 Double-Acting Cylinders For Radial Gates

Pulling Force: 900 Kn

Work Pressure: 230 Bar When Pulling

Stroke: 5600 Mm

Bore: 280 Mm

Rod: Superficial External Coating Hvof Lc 108 Sp.250 µm

Equipped With Position Sensor

Ban Mong Project Qy Chau District, Vietnam
Ban Mong Project Qy Chau District, Vietnam
Ban Mong Project Qy Chau District, Vietnam
Ban Mong Project Qy Chau District, Vietnam

Ban mong project consisted of a supply of 14 modern and first quality cylinders, which were customized in oder to satisfy the customer’s requests throughly.
Coating, sensor and type of assembly have been conceived to guarantee the best efficiency and safety for this kind of work.

6 Double-Acting Cylinders For Radial Gates.

Pulling Force: 1820 Kn

Work Pressure: 230 Bar When Pulling.

Stroke: 8900 Mm

Bore: 450 Mm

Rod: Superficial External Coating Hvof Lc 108 Sp.250 µm

Equipped With Position Sensor.

8 Double-Acting Cylinders For Intake Gates.

Pulling Force: 2790 Kn

Work Pressure: 230 Bar When Pulling

Stroke: 4000 Mm

Bore: 320 Mm

Rod: Superficial External Coating Hvof Lc 108 Sp.250 µm

Equipped With Position Sensor.

Hồi Xuân Project Thanh Hoá, Vietnam
Hồi Xuân Project Thanh Hoá, Vietnam
Hồi Xuân Project Thanh Hoá, Vietnam

It represents one of the most ambitious projects of iotti hc.
The supply consisted of 10 single-acting telescopic cylinders with a stroke of nearly 20 meters and a pulling force of 150 tons.
HVOF coating giarantees the best anti- corrosive resistance of the cylinders.
It is equipped with an internal sensor to detect the position, making the cylinder unique of its kind.

10 Single-Acting Telescopic Cylinders For Intake Gates.

Pulling Force: 1820 Kn

Work Pressure: 230 Bar When Pulling

Stroke: 9800 + 9800 Mm

Bore: 495 / 340 Mm

Rod: External Coating Hvof Lw 109 Sp.200 µm

Equipped With Position Sensor

Ngan Trươi Project Ha Tinh, Vietnam
Ngan Trươi Project Ha Tinh, Vietnam
Ngan Trươi Project Ha Tinh, Vietnam

The cylinders were customized following the customer’s instructions with the specific aim to substitute existing cylinders.

The posistion sensor which was created for these cylinders is particuratly innovative and on the cutting edge.
Its unique processing is directly carried out on the rod which is subsequently covered with its coating.
The hvof treatment is comparatively one of the most effective in terms of resistence and reliability.

The cylinder can reach a lifting capacity of 70 tons with a 3mt. stroke.

10 Cylinders For Bottom Outlet Gates.

Pulling Force: 730 Kn

Pushing Force: 235 Kn

Work Pressure: 230 Bar When Pulling

Stroke: 3330 Mm

Bore: 230 Mm

Rod: Speacial Coating Hvof Lc 108 Sp.250 µm

Equipped With Position Sensor.

Dakbla Project Kon-Tum, Vietnam
Dakbla Project  Kon-Tum, Vietnam
Dakbla Project  Kon-Tum, Vietnam

For the dakbla project we supplied four different types of cylinders.
The cylinders were produced with full control block valve together with the stroke position sensing system.
The rod materials guarantee the best protection despite exposure to a highly corrosive environment. the cylinders were customized by our technical department in order to satisfy all the customer’s needs and requirements.

Technical Data:

2 Cylinders For Flat Gates

Pulling Force: 1390 Kn

Pushing Force: 390 Kn

Work Pressure: 230 Bar In Trazione

Stroke: 5250 Mm

Bore: 320 Mm

Rod: Aisi 431 +Qt800

Equipped With Full Block Valve System And Position Sensor.

8 Cylinders For Radial Gates

Pulling Force: 1390 Kn

Pushing Force: 390 Kn

Work Pressure: 230 Bar

Stroke: 5750 Mm

Bore: 320 Mm

Rod: Aisi 431 +Qt800

Equipped With Full Block Valve System.

2 Cylinders For Bottom Support Spillway Gates

Pulling Force : 500 Kn

Pushing Force: 151 Kn

Work Pressure: 230 Bar When Pulling

Stroke: 5500 Mm

Bore: 200 Mm

Rod: Aisi 431 +Qt800

Equipped With Full Block Valve System And Position Sensor.

2 Cylinders For Bottom Outlet Gate

Pulling Force: 890 Kn

Pushing Force: 225 Kn

Work Pressure: 230 Bar When Pulling

Stroke: 5500 Mm

Bore: 260 Mm

Rod: Aisi 431 +Qt 800

Equipped With Full Block Valve System And Position Sensor.

Montgomery Street Project Londra, Regno Unito
Montgomery Street Project Londra, Regno Unito

In 2018 a pair of cylinders was manufactured to be set up on one the numerous london drawbridges which are scattered on the thames tributaries.
Both cylinders were built with an inox aisi 630 steel rod to be protected from corrosion, in addition they are also equipped with full valve block together with the deriving connecting hydraulic system.

Technical Data:

2 Cylinders For Radial Drawbridges

Pulling Force: 4.820kn

Pushing Force: 6.830 Kn

Work Pressuse: 250 Bar

Stroke: 3.341 Mm

Bore: 590 Mm

Rod: Inox Aisi 630 Steel

Equipped With Full Block Valve System.

 

Lower Jurala Andhra Pradesh, India
Lower Jurala Andhra Pradesh, India

In 2013 iotti started to produce massive cylinders for the indian market.

The first order implied the manufacturing of 4 cylinders to open the shutters of a hydroelectic powerplant in Jurial, India.

In particular it was a supply of cylinders weighing 270 tons and with a stroke of nearly 12 meters.
Besides, in order to cope with the critical situations due to weather conditions, the company decided to set up an inox aisi 431 steel rod while applying special coating products for further protection.

Technical data:

4 Cylinders for intake gates

Pulling force: 2.730 kn

Pressure: 200 bar

Stroke: 11.900 mm

Bore: 450 mm

Rod: steel inox aisi 431