Page 24 - Industrial Technology EXTRA 15th February 2021

EXTRA ‘FOCUS’ SAFETY

Extended functionality and ATEX

certification for pneumatic valve island

neumatic process control
offers numerous benefits,
especially in hygienic
Papplications. The latest
update to Bürkert’s Type 8652
AirLINE valve island has expanded
its range of applications as well as
improved safety features,
communications and diagnostics.
Many modern production
systems use pneumatic process
control for its ease of operation and
suitability for applications in the
pharmaceutical, water and food & beverage relay, meeting the requirements in relation to the
sectors. As a leading manufacturer of process machinery directive EN ISO 13849. This is
control equipment, Bürkert has an extensive supported by a separate power supply that
range of products that are specifically designed allows fieldbus communications to also be tested
for reliability and ease of operation. At the heart independent of the process, offering increased
of the pneumatic equipment is the valve island, flexibility.
and the Type 8652 AirLINE now has greater A major development is the addition of
functionality and additional safety features. explosion protection approval according to
As with any industrial process, safety is ATEX / IECEx Zone 2. This enables access to new
paramount and strategically positioned e-stop applications in potentially explosive
buttons are used to halt part or all of a process environments, which are commonly found in the
when necessary. The EVS (external valve pharmaceutical sector, distilleries and food
shutdown) function enables individual modules processors that handle fine dusts or flours.
to be switched off independently or a complete Bürkert’s integrated liquid crystal displays
valve island to be switched off while the offer excellent in-field status information and
communications remain operational with the rest diagnostics. The latest improvements include
of the network. This ensures any feedback switching time measurement and data logging
relating to a safety shutoff, such as the final for process valves. The data can be displayed on
position of a safety valve, is relayed to the central the valve island as well as being forwarded to the
processor. The safety shut-down is operated by a process controller.
simple stop switch operating through a safety www.burkert.co.uk

February 2021 • INDUSTRIAL TECHNOLOGY EXTRA • p24