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Cerro El Plomo 3679, Curauma Industrial Park, Valparaiso — Chile.
Telephone: +56 3 2299 8600
soporte@fesanco.cl
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Energy
At Fesanco, we offer specialized torque and tension solutions for the wind energy industry. Our equipment and services guarantee precision and safety in the assembly, maintenance and operation of wind turbines, optimizing the efficiency of bolted joints in towers, nacelles and blades. Ensure the reliability of your installations with our high-performance technology.
Find the best products What do you need for your company
Fesanco offers a wide range of specialized energy products. As you explore each category, you'll find high-quality options, designed to meet needs, with solutions that meet the highest industry standards.
See ITH
See D-flex
See DRS
See CX
See DKS
See ADS 3+ — Battery
See EDS — Electric Screwdriver
See PDS — Pneumatic Screwdriver
See ES — Mono-stage
See SES — Simple Mono Stage
See ESH - Single stage
See ESX - Single stage with quick exchange
See MS — Multi Stage
See MSK — Multistage with Safety Nut
See MSH — Multi Stage with Hollow Piston
See Twin — Multi-stage Bolt Tensioner
View Segment Model Bolt Tensioners
See PD/PSD Documentation System
ITH: Leader in Industrial Torque and Tensioning Technology
ITH is a leading German company in tightening technology, specialized in the development and manufacture of innovative solutions for the secure attachment of bolts in industrial applications. With more than 40 years of experience, it offers a wide range of torque tools, tension systems and customized solutions for sectors such as energy, mining, construction and manufacturing. Its focus on precision, safety and efficiency has positioned ITH as a global benchmark, providing its customers with high-quality equipment, specialized technical service and a continuous commitment to innovation.
D-Flex — Torque Wrench
Modular system and compact design that allows a single cylinder to operate with up to 8 cassettes for different bolt diameters, with a small head radius ideal for small spaces. The D-Flex has a dual hose system to speed up work, a wide range of supports and adapters, and a TORQUE-FIX mechanism that keeps the wrench in position. Its double hose swivel connection, with two pivot points (360º and 270º), offers maximum flexibility and is compatible with any DAX pump, making it ideal for field or plant applications, such as ASME or MSS SP-44 flanges.
DRS — Torque Wrench
The Single Hose System is compatible with all ITH pumps and adapts to multiple applications using DRS-KSE, DRS-VE and DRS-SE adapters. Its toothed steel housing and adjustable reaction arm offer 360° rotation with three positions, while the two-point swivel hydraulic connection and touch lock control ensure maximum flexibility and ease of use. Ideal for DRS-VE adapters in existing nuts, with custom design options available upon request.
CX — Torque Wrench
The Double Hose System allows quick work in the field or workshop thanks to its modular and lightweight design that offers easy access to the tool. It has an ultra-light, hardened housing, and a locking mechanism compatible with CX-KSE, CX-SE or CX-VE adapters. Its asymmetric and adjustable support in both directions, together with the TORQUE-FIX mechanism that fixes the wrench in position, guarantees stability in demanding applications. In addition, the toothed housing allows 360° rotation and the double hose swivel connection, with two pivot points, offers maximum flexibility. Ideal for multiple applications and compatible with any DAX pump, this system is perfect for CX-VE adapters on existing nuts.
DKS — Torque Wrench
Compact design with a small head radius, ideal for limited spaces. Compatible with various adapters (DKS-A, DKS-AN, DKS-AS, DKS-AV), it has an extra strong support plate and an easy-to-operate hydraulic cylinder, based on a patented sprocket system and a robust dual-component housing for quick maintenance. Its 2-point swivel hydraulic connection offers maximum flexibility, making it perfect for applications in tight spaces that require specific adapters.
ADS 3+ — Battery
The ITH ADS 3+ is an advanced wireless tightening system, with a compact planetary gearbox that offers high speed and power in a single gear. Its indicator light, automatic shutdown and free rotation guarantee accuracy (± 4%), while its cable-free design and Li-HD battery options (5.5 Ah or 8.0 Ah) make it flexible and adaptable to various applications. Available in Basic, ALPHA and Docu configurations, with models ranging from 500 Nm to 7,000 Nm.
EDS — Electric Screwdriver
The EDS integrates a multi-function screen for comprehensive control, automatically adjusts the speed (ITH Automatic Slow Turn) and activates the free-run once the torque configured for safe removal has been reached. With a powerful 1,300 W motor and adaptable to 50 Hz or 60 Hz, it offers an optional 2-speed gear and a torque reproducibility of ± 4%. Its planetary gear system, ergonomic handle and reaction arm on a toothed surface guarantee stable positioning, ideal for in-situ and international applications.
PDS — Pneumatic Screwdriver
The PDS is an ideal pneumatic tool for areas at risk of explosion, since it is operated by air compressors without the need for electrical sources. It fixes the torque using a precision control valve, offers optional speed change and independent rotation for safe positioning. It incorporates a planetary gear system, 4-step switch, anti-slip handle and reaction arm on a toothed surface.
ES — Mono-stage
The ITH Model ES Bolt Tensioner is a single-stage tool with a flat design, ideal for small spaces. Designed for 8.8 and 10.9 quality bolts (from M16 to M110), it guarantees precise and uniform tightening with patented safety, such as the cycle counter and the anti-fracture device. Its modular design adapts to different thread profiles and types of nuts, offering secure connections
SES — Single Stage Mono
The ITH Bolt Tensioner Model SES is a single-stage tool with a simple and compact design, ideal for applications in spaces with axial and radial restrictions. Designed for 8.8 and 10.9 quality bolts, it offers precise and uniform tightening, ensuring secure connections in various applications, such as ANSI flange mounting and other critical installations.
ESH - Single stage
The ITH Model ESH Bolt Tensioner with hollow piston is a single-stage tool with an optimized design for limited spaces. Its hollow piston allows efficient and precise tightening management, ensuring a uniform pre-load on quality 8.8 and 10.9 bolts. Ideal for critical applications such as mounting flanges, pumps and high-strength structures, it offers safe and reliable connections in demanding environments.
ESX - Single stage with quick exchange
The ITH Model ESX Bolt Tensioner with quick exchange is a single-stage tool with a compact design that allows you to quickly change its components, speeding up the tensioning process. Designed for 8.8 and 10.9 quality bolts, it offers precise and uniform tightening in critical applications such as flanges, pumps and high-strength structures, ensuring secure connections.
MS — Multi stage
The ITH Model MS Bolt Tensioner is a multi-stage tool designed to provide accurate and uniform tightening on high-strength bolts. Its progressive system allows the tightening load to be distributed in a balanced manner, ensuring safe connections in critical applications such as mounting flanges, pumps and robust structures. Ideal for demanding environments, this device optimizes the accuracy of the applied torque and improves efficiency in the tension process.
MSK — Multi-stage with Safety Nut
Compact tensioner ideal for tight spaces, with minimum thread projection (1.0 x d). Compatible with various nuts (hexagonal, heavy, ISO 4032, DIN 2510, EN 14399 and round). It incorporates patented safety (anti-fracture device, automatic piston return, cycle counter and spring-operated screwdriver). Its modular design makes it possible to adapt stretchers and supports for critical applications, such as mounting rotor blades and bolted joints.
MSH — Multi Stage with Hollow Piston
Open design ideal for foundation bolts, heat exchangers and flanges, allowing tensioners to be installed in long screw projections. It incorporates a flexible counter-nut for quick mounting and guarantees the transfer of pre-load force using an ITH counter-nut, standard hexagonal nut or ITH attachable nuts. In addition, it includes patented safety features, such as a cycle counter, protective handle for hydraulic connection and automatic piston return, optimizing the tightening process on long threaded rods.
Twin — Multi-stage Bolt Tensioner
Two-tensioner fusion design that allows two bolted connections (from M16 to M52) to be tightened simultaneously with reduced spacing. It has two stretchers in a single device, which can be mounted individually for easy assembly. Its modular design incorporates an interchangeable support with integrated window for adjusting the nuts, and offers patented safety with a cycle counter and anti-fracture device. Ideal for applications such as the M30x2 connecting rod and V-motor connections, allowing critical connections to be precisely tensioned.
Segment model bolt tensioners
It allows 4 or more bolts (M42 onwards) to be tensioned simultaneously in a single operation. Its modular design, optimized weight and ergonomic handles facilitate quick assembly, while patented safety features, such as the cycle counter and the anti-fracture device, ensure a precise tightening that reduces the risk of leaks. In addition, it can be combined with several segment tensioners depending on the dimensions of the flange and the spacing between bolts.
PD/PSD Documentation System
Automatic control of the tightening process ITH integrates a pressure increase system (APC) that manages the application of force, facilitating the digital measurement of the stretch of each bolt. Its intuitive software allows for the simple and customizable management of critical data, while the results are easily documented and stored in Excel or PDF formats via a USB connection or wireless LAN.
Lighting and Safety Solutions for Wind Energy
Since 2008, NANHUA has developed products specialized in LED lighting and safety for wind turbines. Its solutions are certified by international organizations such as UL, CE and the FAA. They collaborate with leading brands such as Vestas, GE and Siemens Gamesa, ensuring innovative and efficient technology.
Wind Turbine Cabin Lighting
NANHUA's LED cabin lighting provides soft, glare-free light, making it easy to maintain inside the gondola. Its design with external junction box allows for quick and efficient installation. Models:
LW45/LW32: Durable and energy efficient LED linear light.
LY45/LY32/LY455-UL/Zen6e-UL
Heavy-duty LED emergency lights.
Wind Turbine Cube Lighting
The cubes connect the blades to the main shaft and require vibration-resistant lighting with low energy consumption. NANHUA provides soft and durable light solutions for these tight spaces.
Models: O LW40F/LW32: LED linear light with anti-electromagnetic interference.
LY32: Long lifespan LED emergency light.
Pitch cabinet lighting
Passage control systems require compact, high-brightness lighting for easy inspection and maintenance.
Models: LW103A/LW103B: LED cabinet lights with easy installation and energy efficiency.
Wind Turbine Tower Lighting
Wind towers must ensure optimal visibility conditions in extreme environments. NANHUA offers solutions resistant to corrosion, vibrations and weather changes.
Models: LW45/LW32: LED linear light for large spaces.
LY45/LY32: LED emergency lights for safety.
FR300: UPS lighting control box.
Lighting for Wind Farms
Wind farms are located in adverse conditions, such as coastal areas and deserts. NANHUA offers high-strength and efficient LED lighting.
Model:
LW22: LED work lamp with protection against vibrations and water.
Aviation Obstruction Lights
Wind turbines require certified warning lights to prevent aviation hazards. NANHUA offers lights with international certifications. ·
Models:
LM101/LM100: Medium intensity obstruction lights (type B).
LM40: Medium intensity obstruction light (type A).
LH88: High intensity obstruction light. LS810/LS812: Low intensity lights.o ZD401: Power supply cabinet for obstruction lights.
Visual and Sound Alarms for Wind Turbines
Wind turbine safety is key. NANHUA develops high-power visual and auditory alarms, ideal for real-time monitoring and alerts.
Model:
AL80: Visual and audible alarm with high brightness flash.
Wind Speed and Direction Sensors
NANHUA sensors guarantee precision and resistance in extreme conditions, optimizing the operation of wind turbines.
Models:
FA19: Marine wind speed sensor.
FA18: Offshore wind direction sensor.
View NANHUA
View Wind Turbine Cabin Lighting
View Wind Turbine Hub Lighting
See Pitch Cabinet Lighting
See Wind Turbine Tower Lighting
See Lighting for Wind Farms
View Aviation Obstruction Lights
View Visual and Sound Alarms for Wind Turbines
View Wind Speed and Direction Sensors
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