Cost
a significant reduction in cost, very small floor
footprint and availability of a range of sizes up to
27 cu m. The HFT product has rapidly become the
preferred alternative enclosure globally.
Size for size the HFT range costs less than 10%
of a metal glove box and only 2% that of a metal
vacuum system.
Technical Specification
Flexibility
A combination of translucent material and
optically clear sheet is used depending on the
viewing requirements of the customer. Ultra
violet stabilized engineering polymers are
used throughout during manufacture. Material
thickness is nominally 0.5 mm (480 microns).
Size and shape can be made to meet customer
requirements. Standard models from 0.3 to 3.0
cubic metres are available from stock. Weight is
very low and the enclosures occupy little space
– the collapsed volume of a 1.25 metre diameter
system is less than 0.2 cubic metres and weighs
only 8 kg. They can thus be moved easily and
stored efficiently so floor footprint is minimised.
Principle large access, leak tight zips are fitted
and additional entry points can be provided for
operators gloves. A service panel incorporates
access ports for welding torches and for electrical
leads and cooling water supplies. A purge gas
entry port and an exhaust valve to vent displaced
gas to atmosphere are incorporated into each
enclosure.
Large viewing area
Large sections can be manufactured from optically
transparent ultra-violet stabilized engineering
polymers. This offers the opportunity for use by
several operators at the same time – ideal for
training purposes.
If necessary, repairs can be carried out by the user
on site and a kit is supplied for this purpose.
TN MAY 2016
44