Alkitronic has built a global reputation for delivering high-performance torque multipliers for bolting technology. With more than four decades of expertise, the company manufactures electric, pneumatic, hydraulic, battery-driven, and manual torque tools, as well as complementary hydraulic pumps and documentation systems. All products are engineered in Germany, ensuring precision, durability, and compliance with international standards.

Alkitronic Torque Multiplier
Electric, Hydraulic, Pneumatic, Battery, Manual

This comprehensive overview introduces the main categories of torque multipliers and accessories from Alkitronic. Each section highlights the working principle, product ranges, and application areas so that users can better understand which solution fits their industrial bolting requirements.

Alkitronic torque multipliers provide a complete bolting solution for industries ranging from construction and mining to wind power and manufacturing. Whether you need an electric model for production lines, a pneumatic tool for ATEX zones, a hydraulic wrench for maximum torque, or a manual option for remote sites, Alkitronic offers the right system. With advanced pumps, smart documentation, and application-specific designs, the company continues to set benchmarks in bolting technology.

1. Electric Torque Multipliers

Alkitronic electric torque multipliers combine precision electronics with durable mechanics. The EC series covers 70 to 6,530 Nm with brushless motors, OLED displays, and software for torque/angle tightening. The EF series extends torque to 42,000 Nm and offers straight or angled versions for easier access. Both series feature IP54 protection and repeat shut-off accuracy of ±2%.

For greater mobility, the EB series delivers up to 6,000 Nm powered by lithium-ion batteries. These models include modular software, Bluetooth documentation, and patented reaction torque decoupling to reduce wrist strain. The EAF two-speed models switch between rundown and power gear, balancing speed and torque.

Electric torque multipliers are at the core of Alkitronic’s product line. They combine intelligent electronics with robust mechanics to deliver consistent torque, repeatability, and operator comfort.

1.1 EC Series

The EC series covers torque ranges from 70 Nm up to 6,530 Nm. With sensorless motor technology and a brushless synchronous drive, these tools reduce heat generation and extend service life. Protection class IP54 allows safe operation even in damp or outdoor environments. The OLED display ensures visibility in all lighting conditions. Operators benefit from one-finger trigger control and a 360° rotating handle that minimizes reaction forces. Optional software modules support torque/angle tightening, preset rotations, and Bluetooth documentation.

1.2 EF Series

The EF series delivers higher torque, extending to 42,000 Nm. These multipliers feature an intuitive OLED interface, processor-controlled shut-off, and torque/angle tightening modes. EF-S straight models and EF-A angled models are available, the latter offering easier access in tight installations. Remote control accessories further expand operational flexibility. High repeat accuracy of ±2% ensures consistent results even with varying power supplies, including portable generators.

2. Pneumatic Torque Multipliers

Where compressed air is available, pneumatic torque multipliers provide reliable, explosion-safe operation. The PC series includes PC-F, PC-S, and PC-F2, covering 75 Nm to 48,610 Nm. Continuous rotation ensures high joint quality, while the PC-S features a rotating handle for operator comfort. The PC-F2 offers a two-gear system for fast rundown and final torque application.

Alkitronic also supplies pneumatic multipliers for specific uses, including plate heat exchangers and mining trucks. ATEX-certified versions are available for hazardous environments. Pneumatic multipliers are widely used where compressed air is available and explosion protection is required.

2.1 PC Series

The PC-F, PC-S, and PC-F2 models provide torque outputs ranging from 75 Nm up to 48,610 Nm. These tools are valued in heavy construction and mining where continuous rotation ensures quality joints. The PC-S features a 360° rotating handle for user comfort, while the PC-F2 offers a two-gear system: a fast gear for rundown and a power gear for final torque. ATEX-certified versions are available for explosive environments. Maintenance units with filter, regulator, and oiler secure optimal air supply.

2.2 Specialized Pneumatic Multipliers

Alkitronic also supplies pneumatic multipliers for plate heat exchangers and mining applications. These tools are designed with radial (worm gear) or tangential (spur gear) drives for specific bolting geometries. Pneumatic drives ensure safety in hazardous areas and reduce operator strain.

3. Battery-Driven Torque Multipliers

Battery-driven torque multipliers such as the EB-S and EB-N models are designed for maximum mobility. With torque up to 6,000 Nm, they operate independently of external power. OLED displays, modular bolting software, and wireless documentation make them suitable for modern service and field work. Two battery packs ensure continuous operation even in remote sites.

Mobility and independence from power or air supply define the EB series. These torque multipliers provide torque ranges from 110 Nm up to 6,000 Nm. The brushless synchronous motor guarantees efficiency and low maintenance.

The OLED display and modular software options support torque/angle tightening and Bluetooth data documentation. Patented reaction torque decoupling reduces radial forces on the wrist to only 1 Nm, enhancing worker safety. With powerful lithium-ion battery packs, these multipliers operate in remote sites, offering true flexibility without compromising precision.

4. Hydraulic Torque Wrenches

For very high torque, hydraulic torque multipliers are the preferred solution. The H-AX series offers up to 49,000 Nm with interchangeable hex links, slim design, and repeatability of ±3%. The H-AT series delivers up to 72,000 Nm with robust aluminum-titanium bodies and ergonomic design.

The Norwolf X-Driver system provides a universal hydraulic power head with interchangeable square or hex drives. With its patented slim design and 40° stroke, the X-Driver is fast, safe, and versatile across industries like wind energy, oil and gas, and plant construction.

For very high torque levels and compact geometries, hydraulic torque wrenches are essential. Alkitronic offers several systems.

4.1 H-AX Series

Convertible wrenches with interchangeable hex links cover torque from 60 Nm to 49,000 Nm. The slim, flush design allows use in restricted spaces. Robust ratchet mechanisms and pivoting couplings enhance accuracy and flexibility. Hexagon links from 14 to 145 mm cover a wide range of applications.

4.2 H-AT Series

Covering up to 72,000 Nm, these wrenches feature one-piece torsion-resistant bodies and ergonomic housings made from aluminum-titanium alloys. With ±3% repeatability, they are suited for wind power, plant construction, and heavy machinery. Adjustable support arms and multi-directional couplings offer handling flexibility.

4.3 Norwolf X-Driver System

This modular hydraulic wrench system combines a universal power head with separate A-Drive (hex link) and V-Drive (square drive) attachments. Its patented design delivers the slimmest and fastest fitting on the market, with 40° stroke length and deep throat reach. The X-Driver reduces side loads on the cylinder, improving safety and service life.

5. Manual Torque Multipliers

Manual torque multipliers are essential when power or air supply is not available. The M-HG series covers 200 to 50,000 Nm, offering safe, maintenance-free operation with overload protection. They replace unsafe practices like impact wrenches or cheater bars.

Special designs include the Missing Link and XCE Link, gearless manual multipliers ideal for confined spaces such as generator feet or yaw pucks. With ratios from 3:1 to 6:1, they deliver torque in applications where sockets cannot fit.

Where energy supply is unavailable or prohibited, manual multipliers provide reliable torque.

5.1 M-HG Series

These manual multipliers cover 200 Nm up to 50,000 Nm. They replace unsafe practices like impact wrenches or cheater bars. Features include anti-wind-up ratchets, precision-made gears, and shear pins for overload protection. Compact designs make them useful in remote or hazardous locations.

5.2 Norwolf Missing Link and XCE Link

The “Missing Link” is a revolutionary gearless manual multiplier, fitting where sockets cannot. It is widely used in wind turbine assembly for generator feet and yaw pucks. Ratios of 4:1 and 6:1 deliver high torque in confined areas. The XCE Link adds continuous rotation capability, available in 3:1 and 4:1 ratios. Both tools operate without gears, using lever mechanics for longevity and safety.

6. Hydraulic Pumps for hydraulic torque wrench

Torque multipliers require reliable hydraulic power. Alkitronic produces advanced pumps for consistent pressure supply. Reliable pumps are vital for hydraulic torque multipliers. The NOVA pump delivers up to 700 bar, with brushless motors and automatic pressure control for continuous operation.

The VELOX pump offers IP65 protection against dust and water, fast flow rates, and compatibility with two hydraulic wrenches. The compact LEVA pump is lightweight and portable, designed for service operations with outputs up to 700 bar.

6.1 NOVA Pump

An electric hydraulic pump rated up to 700 bar (10,000 psi). Its brushless motor minimizes wear and allows continuous operation without overheating. Automatic control supplies only the required pressure, saving energy. Options include DUO or QUATTRO versions for multiple wrench connections. Compact, crane-certified designs suit construction sites.

6.2 VELOX Pump

A high-speed pump with IP65 protection, safe against dust and rain. It delivers precise oil flow across all pressure ranges and supports two wrench connections simultaneously. The brushless motor ensures low maintenance and efficiency. With outputs up to 10,000 psi, VELOX is ideal for demanding industrial jobs.

6.3 LEVA Pump

Compact and lightweight, designed for service use with outputs up to 700 bar. Simple two-button remote control and analog pressure display make it user-friendly. The low-heat design and transport frame increase portability, making it suitable for site maintenance.

7. Mounting Documentation Systems (MDS)

Traceability is increasingly important in bolting. The MDS system includes manual M-SD and pneumatic PC-SD torque multipliers with integrated sensors. They record torque, angle, and bolting data on site, transmitting results via Bluetooth to the Alkitronic app. Documentation in CSV format supports compliance with international quality standards and customer requirements. OLED displays guide operators through setup, ensuring safe, accurate, and documented joints.

Traceability is critical in modern bolting. The MDS system records torque and angle data directly at the joint. Manual and pneumatic models, such as the M-SD and PC-SD, provide on-site measurement and Bluetooth transfer to the Alkitronic app. Documentation in CSV format supports compliance with quality standards and customer requirements.

8. Specialized Applications

Alkitronic also develops torque multipliers for industry-specific needs. Tools for plate heat exchangers speed up tightening of long threaded bolts, using radial or tangential gear designs. N-Tools multipliers support wheel changes on mining trucks, buses, and lorries, with torque up to 3,500 Nm. Both battery and pneumatic models are available.

8.1 Plate Heat Exchangers

Alkitronic offers tailored torque multipliers for tightening long threaded bolts on plate heat exchangers. Both pneumatic and electric drives are available, with torques up to 4,840 Nm. Radial worm gear and tangential spur gear outputs adapt to different geometries. These tools reduce assembly time and extend seal life.

8.2 Mining and Transport Vehicles

N-Tools torque multipliers facilitate wheel changes on large dump trucks, buses, and lorries. Models include pneumatic PC-N versions for explosive environments and battery-driven EB-N versions with Smart Service documentation. With torques up to 3,500 Nm, they ensure reliable maintenance in tough conditions.

9. Advantages of Alkitronic Torque Multipliers

Across all product categories, several consistent advantages stand out:

• Precision and Repeatability: Most tools achieve ±2–3% accuracy, guaranteeing consistent bolted joints.
• Durability: Brushless motors, robust housings, and gearless options reduce wear and extend service life.
• Safety: Reaction force reduction, ergonomic handles, and overload protection enhance operator wellbeing.
• Flexibility: Electric, pneumatic, hydraulic, battery, and manual options cover every bolting scenario.
• Documentation: Integrated software and app connectivity provide traceability and compliance with quality standards.
• German Engineering: All products are manufactured in Ingolstadt, ensuring international patents, premium materials, and long life cycles.

Alkitronic torque multipliers represent a complete ecosystem of bolting technology. From compact manual multipliers for remote work to high-capacity hydraulic wrenches supported by intelligent pumps, the company addresses the full spectrum of industrial bolting needs. Whether for wind power, mining, construction, or specialized sectors such as plate heat exchangers, Alkitronic delivers reliable torque solutions that combine precision, ergonomics, and efficiency.

With continuous innovation in electronics, software integration, and ergonomic design, Alkitronic ensures that torque multiplier technology remains aligned with modern industry requirements. For professionals seeking consistent, safe, and documented bolting performance, the Alkitronic portfolio stands as one of the most complete offerings worldwide.