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Hydraulic Nuts for Extreme Temperatures
Products Hydraulic Nuts Extreme High Temperature Hydraulic Nut

Extreme Temperature Hydraulic Nut

What is an Extreme Temperature Hydraulic Nut?

An extreme temperature hydraulic nut is a specialized type of hydraulic nut designed to operate efficiently under high temperature conditions up to 550 degrees celsius. HTI offers EziTite® hydraulic nuts that can withstand extreme temperatures beyond what our high temperature hydraulic nuts can.

Hydraulic nuts are tools used to apply a precise amount of tension to bolted joints. They work by using hydraulic pressure to apply a force to the nut, which in turn stretches the bolt to the desired tension. This method allows for accurate and repeatable loading of the bolt, which is crucial in applications where the integrity of the bolted joint is critical.

Extreme Temperature Hydraulic Nut Capabilities

What makes a hydraulic nut extreme temperature capable is its design and materials, which are selected to withstand the elevated temperatures found in certain industrial applications, such as power plants, oil refineries, and chemical processing plants.

These conditions can degrade standard materials and components, so hydraulic nuts for extreme temperatures are made with materials like high-grade stainless steel or alloys that maintain their strength, durability, and operational integrity at temperatures significantly higher than what standard hydraulic nuts can withstand.

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Applications of EziTite® Hydraulic Nuts

EziTite® hydraulic nuts are hydraulic nuts made for extreme temperature applications. Being capable of withstanding such conditions, these hydraulic nuts are commonly used for the following applications:

  • Pressure Vessel Closure(i.e.: Autoclaves, Boilers, etc)
  • Flange Makeup
  • Gas Turbine Joints
  • Steam Turbine Joints
  • High Temperature Applications

Features

HTI provides extreme temperature hydraulic nuts with various features suited to meet your needs, such as:

  • The patented metal to metal seal design allows for applications up to 550˚C and higher
  • Compact Design for tight confined applications
  • Smart design to eliminate load losses
  • Secondary backup release mechanism (Sacrificial ring)
  • Multiple tensioning provides even bolt loads and short assembly and disassembly down time

Benefits

EziTite® hydraulic nuts come with a wide range of benefits to ensure efficient and easy usage. Other benefits include:

  • Reduces maintenance down time
  • Improves safety on the job
  • Gives reliable and precise tensioning
  • Is user-friendly
  • Fast to fit and remove
  • Requires little physical effort
  • Is ideal for difficult or confined spaces

Custom Engineered Tensioners Since 1986

HTI has been designing engineered solutions to your toughest bolt tensioning problems since 1986! You can choose from one of our standard catalog sizes above, or we can design a custom fixed tensioner for any application when a standard model won’t work. HTI tensioners can be designed for imperial or metric-sized studs, high loads, high temperatures, large stud sizes or corrosive environments. Our multi-unit tensioning systems can make easy work of large bolted systems, and our automated tensioning systems can reduce labor and increase throughput in high-volume manufacturing applications. 

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If you have questions, comments, would like more information about our products, or want to get started designing your custom tensioning solution, please contact us and we will respond promptly.