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  4. Mechanical Bolt Tensioner SUPERBOLT® Tensioner (MJT) Nut Type Tensioner Medium High Temperature Type H650 Series (Nord-Lock Group)
Mechanical Bolt Tensioner SUPERBOLT® Tensioner (MJT) Nut Type Tensioner Medium High Temperature Type H650 Series-H650-M20x1/W
Mechanical Bolt Tensioner SUPERBOLT® Tensioner (MJT) Nut Type Tensioner Medium High Temperature Type H650 Series-Nord-Lock Group

Mechanical Bolt Tensioner SUPERBOLT® Tensioner (MJT) Nut Type Tensioner Medium High Temperature Type H650 Series
Nord-Lock Group

About This Product

The Super Bolt Multi-Jack Bolt Tensioner (MJT) is a revolutionary bolt-and-nut tensioner that uses the world's first technology to make it possible to tighten large diameter bolts with a single torque wrench. Our reliable technology has been proven through over tens of thousands of installations, and we will continue to provide optimal solutions for various new bolt fastening issues that will appear as the times evolve.

■Summary

Superbolt's Multi Jack Bolt Tensioner (MJT) allows you to easily tighten large diameter bolts with a single torque wrench, and also provides extremely accurate axial tension. No expert skills or special tools are required. We offer tensioners that accommodate a wide range of bolt diameters as standard products, but we can also design and develop special products to meet your specific needs.

■Easy bolt connection

Super Bolt's Multi-Jack Bolt Tensioner (MJT) distributes the large axial force required to tighten large diameter bolts to the jack bolts placed all around the nut body, making it possible to tighten large diameter bolts with a single torque wrench, allowing for more accurate axial force compared to standard hex bolts.

■Main benefits

- Extremely accurate axial force of ±5 to 10% can be obtained no matter who is working. - Fastening work can be completed with just a torque wrench ・There are no dangerous elements, so you can work safely -Able to work at heights and in narrow spaces without any problems ・No preparation required, reducing work time ・No excessive stress is placed on the bolts, so they do not seize, the allowable intersection of threads is large, and the bolts and studs do not get galled. ・Easy to remove and reconnect ・Through all of the above, product life cycle costs and maintenance costs can be significantly reduced.

  • Product

    Mechanical Bolt Tensioner SUPERBOLT® Tensioner (MJT) Nut Type Tensioner Medium High Temperature Type H650 Series

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1 Models of Mechanical Bolt Tensioner SUPERBOLT® Tensioner (MJT) Nut Type Tensioner Medium High Temperature Type H650 Series

Image Part Number Price (excluding tax) Jack bolt lubricant Allowable stress range for bolts Installation example Dimension range (inch size) Dimension range (mm size) Compatible temperature Surface treatment
Mechanical Bolt Tensioner SUPERBOLT® Tensioner (MJT) Nut Type Tensioner Medium High Temperature Type H650 Series-Part Number-H650-M20x1/W

H650-M20x1/W

Available upon quote

P37 etc.

310 N/mm2
45ksi
Based on stress area

Like below
For fastening large bolts
boiler water pump
boiler circulation pump
nuclear reactor
heat exchanger etc.

3/4”–5”

M20–M125

−10 ~ 350℃
−50 ~ 650ºF

Option

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About Company Handling This Product

Nord-Lock Group

Company Overview

Nord-Lock Group, established in 1982 and headquartered in Sandviken, Sweden, is a manufacturer and supplier of...

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  • Sweden

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Bolt & Stud Tensioners
Bolt & Stud Tensioners　Nord-Lock Group
Nord-Lock Group

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