Efficient Plant July/August 2020 - 26

feature | solution focus

Valves Provide

Safety,
Reliability

Fifteen years running, solenoid
valves make a difference.

FOR MANY YEARS the products of Bayer
Division Crop Science have contributed to good
yields and bigger harvests in more than 120
countries. The R&D process for a new cropprotection product takes 10 to 15 years. To enable
fast and individual production, Bayer created a
multi-purpose system that places huge demands
on safety and reliability.
The multi-purpose system, at Bayer's site in
Dormagen, Germany, houses everything under a
single roof, from the development and manufacture of new active ingredients for crop protection
to laboratory processing, sampling, and piloting.
All of those steps lead to final production processes. The system is designed so subsystems and
equipment such as dryers, centrifuges, distillers,
stirrer tanks, and other reactors can be flexibly
connected and operated. An in-house pipeline,
with adaptable piping, is used for material flow,
while the decentralized process-control system is
distributed throughout 67 automation systems,
enabling controls to be flexibly adjusted.
Since the process development requires the use
of flammable operating fluids, frequent process
changeovers, and numerous interfaces and intervention points, the entire system has been classified as potentially explosive zone 1 and zone 2.

MINIMIZING SAFETY RISKS
The probability of an incident occurring at a
chemical plant depends largely on the reliability
of the system components and the individual
processes. This includes, for example, the availability of coolant water, emergency-stop devices,
This Festo 3/2-way piston poppet valve has extended
NAMUR port and TUV certificate, in accordance with IEC
61508. The ability to use Festo solenoid valves universally and their adherence to strict safety requirements
were convincing arguments for the decision makers at
Bayer Division Crop Science.

26

EP2007solfocus.indd 26

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JUL/AUG 2020

7/15/20 2:36 PM


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Efficient Plant July/August 2020

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