!WARNING!
,
Under no circumstances should a vacuum pump be
installed in an area that may be exposed to toxic,
volatile or corrosive atmosphere, nor should toxic,
volatile or corrosive agents be stored near the
vacuum pump.
Pir)in~ Connections
The vacuum distribution and piping system, including
the vacuum pump and all related components, must be
designed in accordance with generally accepted
engineering practices. Improperly designed distribution
systems can cause damage to the vacuum pump.
Exhaust piping should be installed in such a manner as
to not create additional back pressure on the vacuum
pump. Also, the exhaust piping should be installed
with a drip leg to prevent condensate from falling back
into the fluid reservoir. Refer to the drawing below.
..>,
/’- “
Pipinq Fit UD
Care must be taken to avoid assembling the piping in a
strain with the vacuum pump. Piping should line up
without having to be sprung or twisted into position.
Adequate expansion loops or bends should be installed
to prevent undue stresses at the vacuum pump resulting
from the changes between hot and cold conditions.
Pipe supports should be mounted independently of the
vacuum pump and anchored as necessary to limit
vibration and prevent expansion strains. In no case
should the piping be of smaller size than the connection
on the vacuum pump unit.
Pressure Relief Valves
!DANGER!
Pressure relief valves are to protect system integrity
in accordance with ANSIIASME B 19 Safety
Standards. Failure to provide properly sized
pressure relief valves will cause severe personal
injury or death.
Drip Leg
t
Air Out
T
[
Recommended Exhaust Piping
Page 36
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