Among the essential
requirements for control
valves used in aseptic
applications, such as the
food, beverage and
brewing industries is a
smooth, cavity-free body
design without crevices
or ‘traps’ and to be selfdraining.

This eliminates
the potential for bacteria
growth and also helps to
ensure effective CIP and
SIP (Clean or Sterilised
In Place).

Samson Controls offer a range
of valves with these features. They
are manufactured to quality
assurance systems certified to ISO
9001 and meet stringent FDA
requirements. The type 3347 control
valve, for example, has polished
steel parts to ensure high purity for
the process medium, special PTFE
bushing along with an additional
steam line connection
that is used to meet
stringent purity
requirements
preventing bacteria
from spreading at the
actuator stem guide.

Another example is
Samson’s Type 3249
valve which has an
EPDM diaphragm and
a back-up safety
packing box to ensure
protection against
bacteria spreading and
prevent product leakage. Process
applications which involve pasty,
fibrous or highly viscous products
can be controlled by Samson’s Type
3345 cavity-free valve body which
has a diaphragm made of rubber,
nitrile, butyl or PTFE that acts both
as a seal and a valve plug.