Tensioner Product List and Ranking from 8 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Jul 30, 2025～Aug 26, 2025
This ranking is based on the number of page views on our site.

Tensioner Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Jul 30, 2025～Aug 26, 2025
This ranking is based on the number of page views on our site.

  1. 日本プララド Hyogo//Other construction industries
  2. マツダ金属製作所 Osaka//Building materials, supplies and fixtures manufacturers
  3. トルテック Osaka//others 本社
  4. 4 マーケットリサーチセンター Tokyo//Service Industry
  5. 4 池田金属工業 Osaka//Building materials, supplies and fixtures manufacturers
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Tensioner Product ranking

Last Updated： Aggregation Period:Jul 30, 2025～Aug 26, 2025
This ranking is based on the number of page views on our site.

  1. Bolt tensioner (axial force management tool) | Japan Pralard 日本プララド
  2. Stairs, balcony, wire handrail, rope tensioner マツダ金属製作所
  3. Stairs, balcony, wire handrail, tough tensioner マツダ金属製作所
  4. Global Automotive Seat Belt Pretensioner Market Research Report マーケットリサーチセンター
  5. 4 Multi-stage bolt tensioner (for wind power generation) - Nippon Pralado 日本プララド

Tensioner Product List

16～23 item / All 23 items

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Basic Bolt Tensioner 'PD Series/BR Series'

Basic Bolt Tensioner 'PD Series/BR Series'

A tensioner that makes the complex task of tightening foundation bolts easier and takes safety into consideration.

In a wind turbine assembly project, tightening the foundation bolts is one of the most complex tightening tasks. Dirt, misalignment, rust, control of elongation, and oil return speed complicate bolt tightening and can lead to assembly errors. The tensioners in this series are designed to facilitate the tightening of foundation bolts while also considering safety. 【Main Features】 ■ PD Tensioner ● Safety: Incorporates safety features similar to those of blade tensioners. ● Slim Design: The double-decker type guarantees high loads with limited radial clearance. ● Laser-etched Scale: Allows for easy control of elongation. ● Gearbox: The most reliable gearbox, enabling the fastest oil return to avoid unnecessary time wastage. ● Optimized Design: Achieves high loads with a small diameter, suitable for applications in limited space. ■ BR Tensioner ● An ideal solution for applications with significant bolt protrusion or unique thread types. ● Maximum stroke of 10-20mm. ● High-pressure quick connect coupler that does not require O-rings.

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Hydraulic Tensioner "Boltight"

Hydraulic Tensioner "Boltight"

General fastening components are available! Improve repetitive fastening tasks such as piping connections on a low budget.

"Boltight" is a tool that completes fastening by creating a pre-tightened state through controlled hydraulic tensioning of the bolt shaft, seating the nut, and then releasing the hydraulic pressure. By equalizing the compression applied to the joined components through hydraulic means, it is possible to fasten the flange joint surfaces with uniform force, preventing leaks. As a hydraulic tool using a tensioning method, the only remaining component after work is a standard nut, making it very effective for safely and reliably tightening multiple large-diameter bolts while keeping the cost of components low. 【Features】 ■ Hydraulic tensioner that allows simultaneous and uniform tightening of multiple large-diameter bolts ■ Enables fastening without leaks by applying uniform pressure to the flange surfaces simultaneously ■ Uses standard fastening components, improving repeated fastening tasks such as piping connections on a low budget ■ Compact, lightweight, highly durable, with excellent workability and safety *For more details, please refer to the related links or feel free to contact us.

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[Technical Information] The Mechanism of Super Bolts and the Principle of Preventing Breakage

[Technical Information] The Mechanism of Super Bolts and the Principle of Preventing Breakage

A bolt tensioner that can be tightened using only hand tools! A bolt that ensures reliable axial force.

This document introduces the reduction of breakage risk for Super Bolts. It explains the causes of breakage in large diameter bolts, and then provides a detailed explanation of the axial force generation process of Super Bolts and the absence of torsional stress. Our company has a dedicated support department. Please make use of it for product selection. [Contents] ■ What is a Super Bolt ■ Main causes of breakage in large diameter bolts ■ Reducing breakage risk with Super Bolts ■ Summary *For more details, please refer to the PDF document or feel free to contact us.

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Airbag Bolt Tensioner 'AB'

Airbag Bolt Tensioner 'AB'

Tension tightening that is not affected by twisting or friction! Transmits axial force to the bolt more accurately and reliably.

The "AB" is a tool equipped with an air-back function that automatically retracts the piston when the pressure is released, by pre-filling air into a bolt tensioner capable of advanced axial force management. It has a strong body that can withstand tough job sites and is easy to maintain. By combining various load cells with different plumb bars and bridges, it accommodates a wide range of sizes. 【Features】 - Tensioner with air return function - Pulls up bolts with high-pressure hydraulic force while tightening nuts - Enables efficient work - Corrosion-resistant body - Supports M20 to M100 with six types *For more details, please refer to the PDF document or feel free to contact us.

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Hydraulic Bolt Tensioner for Power Generation Systems PGT/FTR/FTE Series

Hydraulic Bolt Tensioner for Power Generation Systems PGT/FTR/FTE Series

For tightening work of wind power, steam, and gas turbines, as well as for securing the foundations of wind power generation towers! You can choose according to your application.

The "PGT Series" is a hydraulic bolt tensioner designed for high-precision tightening operations of wind, steam, and gas turbines. The "FTR Series" hydraulic bolt tensioner for foundations is specially designed to apply tension to the foundation bolts of wind turbines. Additionally, the oval-shaped hydraulic bolt tensioner "FTE Series" is specially designed for securing the foundations of wind power generation towers. We also offer hydraulic bolt tensioners for power generation systems and foundations. 【Features】 ■ PGT Series - Designed for high-precision tightening operations of wind, steam, and gas turbines ■ FTR Series - Specially designed to apply tension to the foundation bolts of wind turbines ■ FTE Series - Specially designed for securing the foundations of wind power generation towers - High-precision tightening operations result in less frequent maintenance *For more details, please refer to the PDF materials or feel free to contact us.

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Case: Removal of studs from a stacker reclaimer with hydraulic tensioner.

Case: Removal of studs from a stacker reclaimer with hydraulic tensioner.

A case of developing a hydraulic tensioner to safely and timely remove studs!

Removing the 3-meter-long studs from the bucket wheel drive output of the Sandvik stacker reclaimer is a difficult and time-consuming task. In previous operations, it took over 10 hours to remove each stud, and it required up to 120 tons of force to push or pull a total of 16 studs. To safely and timely remove the studs, a custom GT4 hydraulic tensioner was developed. The tensioner extracts each stud in about 30 minutes, significantly saving the maintenance team's time. [Case Overview] ■ Customer: Port Walarta Coal Services (Australia) ■ Product: Custom GT4 Hydraulic Tensioner, ZUTP1500E ■ Result: Significant time savings for the maintenance team *For more details, please refer to the PDF document or feel free to contact us.

  • Prime movers, torque converters, hydraulic equipment, generators

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"Super Bolt": Tightening large-diameter bolts with a single torque wrench.

"Super Bolt": Tightening large-diameter bolts with a single torque wrench.

An innovative product that can tighten enormous bolts and nuts that cannot be tightened by human strength using just one torque wrench.

A mechanical bolt tensioner developed in 1984 at the request of US Steel, the largest steel company in the United States. By distributing the enormous torque required to tighten large-diameter bolts into smaller torques, it dramatically improves work safety. Additionally, it achieves remarkably accurate fastening force, allowing for work in high or confined spaces without issues. The use of electric tools and air tools further shortens work time, dramatically reducing downtime caused by operations and enabling low-cost operations. 【Features】 ■ Amazing axial force accuracy due to patented structure (over three times the accuracy of conventional methods) ■ Large-diameter bolts can be fastened with just one torque wrench ■ Does not depend on the skill of the operator, ensuring accurate fastening force regardless of who performs the work ■ Incredible axial force precision prevents loosening even under severe vibrations ■ Strong against loosening that does not involve return rotation due to thermal cycles, thanks to elastic fastening ■ Usable without issues in confined or elevated spaces *For details, please refer to the catalog or contact Nord-Lock Japan. *Beware of imitations that resemble the appearance. They do not have equivalent functions due to patented technology. Nord-Lock Japan also provides various technical support. Please feel free to consult us.

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Super Bolt GT Series

Super Bolt GT Series

Delivering the appropriate axial force more easily and quickly. Super Bolt GT Series.

The GT tensioner is ideal for medium to high-strength studs and bolts. It is also suitable for use in harsh environments, allowing for the safe and easy installation of high axial forces and can be used with various large-diameter bolts. The small jack bolt at the top of the product can be installed and removed with hand tools, enabling consistent axial force regardless of the operator's skill level, thus providing high reproducibility. Additionally, we maintain stock domestically, allowing for quick delivery.

  • Bridge Construction
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