8 cleaning, 1 cleaning frequency, 2 preparations for cleaning – Watson-Marlow PF6 User Manual
Page 24: 3 cleaning guidance, 4 detergents or cleaning agents, Cleaning, Cleaning frequency, Preparations for cleaning, Cleaning guidance, Detergents or cleaning agents

INSTRUCTION HANDBOOK
PF6
PF6 IH EN 74-105-022 v1.04.doc
Version: 1.04
Page 24 of 30
8 Cleaning
8.1 Cleaning Frequency
As PF6 is not in direct contact with the dispensed product, daily cleaning might not be necessary.
Cleaning might be determined by local sop’s and cleaning validations; but must never be with
detergents more potent than the ones below.
8.2
Preparations for cleaning
Before cleaning the machine:
Turn off the power
Remove the tube bridge
Remove the tubes
8.3 Cleaning Guidance
Correct cleaning of the PF6 is carried out by washing it off with water or detergents, using a lint-free
firmly wrung cloth or lint-free paper towel; subsequently the machine is wiped off with a dry cloth.
8.4 Detergents or cleaning agents
Normal cleaning agents such as tepid/medium hot water, ethyl alcohol (ethanol) 70% and may be
used all over the machine.
The PF6 consists of stainlees steel and anodized aluminium, and can be cleaned in several ways:
Cleaning of parts
made of:
May
be
autoclaved
Can be cleaned
with ethyl
alcohol 70%
Can be cleaned with
water and afterwards
wiped off with dry a cloth
Stainless steel
AISI304
X
X
X
Stainless steel
AISI316L
X
X
X
Anodized aluminium
X
X
X
Silicone tubes /
Y-connectors
X**
Max 10
times
X
X
Examples:
Flexicon silicone tubes can be autoclaved
PF6 has a membrane-type keypad. The keypad is sealed and flat and can be cleaned with
alcohol or water.
**Recommendation:
Keep a log on the cleaning in order to keep a sense of perspective.