This latest order comprises two MST systems that have been specifically designed by Tentec’s in-house engineering team to tension 20 bolts simultaneously. One of the systems tensions 1½ “ bolts, while the other has been designed for 17/8” bolts on nuclear manway covers. MST systems are increasing in popularity as the cover can be removed and replaced much quicker and far more accurately than traditional tensioning methods, obviously reducing any risk of contamination.
These state of- the-art systems work by applying a predictable and accurate pre-load to all studs simultaneously, thus eliminating the problems normally associated with conventional torque tightening techniques such as uneven gasket pre-loads resulting in closure leakage, galling and broken fasteners. Hydraulic pressure is applied simultaneously to each segmented stud tensioner. All frictional factors connected with conventional bolt tightening methods are alleviated since a direct axial force is applied to the bolts which generate a bolt elongation. This elongation/tension is permanently retained by means of the application hexagon nuts.
“We have been working very hard with the HTS team to establish our reputation in China.” explains Roy Sheldon, Sales Director at Tentec. “One of the main reasons for our success is that we have been able to demonstrate our long standing expertise in nuclear markets throughout the world. We have been servicing this industry for many years and have numerous installations in countries including the UK, United States and the Far East.”
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Further Details: Paul Egginton. Tentec Ltd. Plymouth House. Guns Lane, West Bromwich, West Midlands B70 9HS. Tel: + 44 (0) 121 524 1990 Fax: + 44 (0) 121 524 1999
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October 3, 2012