Nut Arrestor

Industry: Nuclear

Application: 

• To hold the nut whilst untightening bolts on the HEPA filter in the decommssioning of a nuclear cell

Problem:

• To unfasten bolts on a flange remotely
• The tooling to operate within part of a nuclear facility with no worker access permitted
• Restricted height above the nut

Solution:

• Adapted CCR1 hydraulic torque wrench with hydraulic clamp (nut arrester) on the nut attachment
• Stainless steel cylinder on nut arrester
• Stainless steel body on CCR1

Features:

• Operates with low pressure Water Glycol which interfaces with customer's hydraulic console
• Torque wrench max. operating pressue is 3,000 psi
• Nut arrester max. operating pressue is 5,800 psi
• Anti-reverse feature
• CCR hydraulic tool has extra long stroke on the cylinder
• Quick-release hydraulic connections

Benefits:

• Can be operated remotely by manipulator arm
• Operates within a height restriction
• Can be used with existing hydraulic systems
• Long stroke cylinder & anti-reverse feature speeds-up the untightening procedure