Watson-Marlow 620U - Manual (Page 90)

Watson-Marlow 620UN, 620U, 620SN, 620S User Manual 90
26.10 620RE, 620RE4 and 620R
CIP and SIP
General
Unlock the guard and disengage the rollers within the tube zone.
Close the guard and squeeze against the track until the latch clicks.
Observe a 1m safety area.
CIP
LoadSure tube elements and continuous tubing can be cleaned using CIP
processes.
Ensure that the tubing material is chemically compatible with the cleaning
agent that is to be used.
If cleaning agents are spilled over the pumphead, wash down immediately.
Ensure that controlled waste pipework is fitted to allow a safe release of clean-
ing agent in the event of a tube failure.
SIP
Only STA-PURE tube elements can be used in a steam in place sterilisation
processes.
STA-PURE tubing elements can be sterilised to 3A Class two and FDA minimum
recommended standard which is 121C (250F) at 1bar (14.5 psi) saturated
steam for 20 minutes.
Monitor the process continuously .
If a tube failure occurs, shut down the process. Do not touch the pumphead
until a 20 minute cooling period has been observed.
Ensure a 20 minute acclimatisation period is observed before running the pump
following SIP.
Ensure that controlled waste pipework is fitted to allow a safe release of steam
in the event of a tube failure.
Ensure a 1m safety zone is maintained around the pumphead during SIP
cycles.
Ensure that the
pumphead door
is closed and
locked before
SIP cleaning
commences.