HARDWARE&SECURITY • 53
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Von Duprin Show the Way
Relcross has employed its problem solving experience by supplying Von Duprin
99QEL exit devices to Advanced Diesel Engineering (ADE) of South Kirkby in
Yorkshire. The ADE team are experts in acoustic containers for generators and its
products can be found in an increasing number of data centres throughout Europe.
» » ONE OF THE PROBLEMS THAT ADE
has had to overcome is how to safely
and securely open and close the heavily
insulated steel doors that provide
essential access to the generator and
other equipment inside the enclosure. It’s
not a problem that most people would
anticipate but ordinary door hardware just
would not work. The doors are too thick
and, apart from access control for security,
emergency exit from the enclosure must
also be provided in the event of fire or
other such eventuality.
Normal entry and exit are controlled by
a swipe card system that disengages the
door alarms while recording the details of
who has entered or exited the container.
A key-operated lock can then be used to
open the door by releasing the latch on
the Von Duprin device installed on the
inner surface of the door.
When exit is required, the swipe card is
used in the same way before the touch bar
is used to release the door latch. The Von
Duprin 99 QEL features motorised latches
rather than magnetic solenoids which,
together with the famous Von Duprin fluid
dampener that decelerates the touch bar
on its return stroke, eliminates most of the
noise associated with exit device operations.
In the event of an emergency, the touch bar
can be used independently and without
any delay. In such instances, the alarm will
also sound to alert security. As a further
safety feature, the touch bar is covered with
a luminous material to provide guidance to
people trying to escape from the enclosure
if the lighting fails or vision is inhibited
by smoke. The Von Duprin 99 QEL - with
so many unique features - provides the
safe and secure answer in a wide range of
demanding installations.
For more information call Relcross on
01380 729600, email sales@relcross.
co.uk or visit www.relcross.co.uk.
LCN DOOR CLOSERS
WHEN YOU’RE LOOKING FOR TOP QUALITY DOOR CONTROLS THAT OFFER
GUARANTEED PERFORMANCE, LOOK NO FURTHER THAN LCN FROM RELCROSS.
tests on the 4000 series have
• Independent
exceeded 10 million full load cycles
cast iron cylinders
• Precision-engineered
• Forged steel arms and double heat-treated
forged steel pistons & pinions
• Unmatched longevity and performance
integrated solutions for manual,
• Fully
electromagnetic orpneumatic systems
by the appropriate EC Certificate
• Supported
of Conformity for fire doors
• All weather fluid eliminates seasonal
adjustments
• High Security versions available
For further information call 01380 729600
HARDWORKING HARDWEARING HARDWARE
RELCROSS LTD Hambleton Avenue, Devizes, Wiltshire SN10 2RT.
Tel: 01380 729600 · Fax: 01380 729888 · Email: [email protected]
www.relcross.co.uk
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LOCKSMITHJOURNAL.CO.UK | JAN/FEB 2019