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Hydraulic bolt tensioner

Technofast Industries has
updated its EziJac B3S series of hydraulic bolt tensioners to make them more
efficient, longer lasting, user friendly and safer.

The B3S Series EziJac is a modular
style hydraulic bolt tensioner featuring a spring return mechanism which
automatically resets the tool to its full working stroke. The modular design
allows multiple adaptor kits to be interchanged with just the one load cell.

Suitable for whenever accurate
and repeatable loading is required across a wide range of industries, the new
updated model includes a number of important features all designed to reduce
maintenance costs and improve productivity.

One of the key features of
the upgraded B3S Series EziJac hydraulic bolt tensioner is an innovative new 2-piece
seal design which offers even faster operation of the tensioner due to lower

Technofast’s Founder and CEO
Mr John Bucknell says the new seal also improves the longevity of the bolt
tensioners, which are now capable of well over 1000 cycles before seal
replacement is required.

“We have also designed new improved
seal retainers, to further enhance the reliability of the bolt tensioners.

“Customers will be very
impressed with the longevity of this new model, which was already outstanding,”
Mr Bucknell said.

As well as the new seal
design, the return force of the return springs of the bolt tensioner has been
increased to further improve efficiency and speed of operation.

Offering very accurate bolt
tensioning, the B3S Series EziJacs also feature a new puller design making them
far easier to be operated by workers wearing gloves.

The EziJac bolt tensioners offer
reduced assembly time for critical jointing applications and where simultaneous
tensioning of bolts is required, such as flanges where even gasket compression
is required.

As well as being ideal for confined
and difficult nut locations, the B3S EziJacs require little physical effort to
operate and are ideal where rotational or torsional stresses are a problem, and
where regular maintenance requires repeated adjustments or removal of nuts.

Suitable for a wide range of
applications, including the mining, oil & gas, power and manufacturing
industries, the EziJac hydraulic bolt tensioners offer reliable and precise
tensioning, coupled with improved safety on the job by eliminating hammer
tightening and pinch points, and with remote pumping, no operators are in close
proximity to the work area.

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