Flowserve 191400 Series - Manual (Page 8)

8
10.1 Inspection
FLOWSERVE valves do not require any special serv-
ice. However perform a visual check for leakage and
proper function between the maintenance intervals.
10.2 Maintenance
Maintenance intervals based on the actual operating
conditions can only be determined by the user/opera-
tor, because they depend on the following application
parameters:
• Operating time per day
• Switching intervals
• Type of product
Type of cleaning (CIP / SIP)
We recommend the following data as guide values:
• For liquids with solid constituents and tempera-
tures of 80° C to 100° C:
approx. every 3 – 6 months
• For liquids with solid constituents and tempera-
tures of approx. 60° C:
approx. every 12 months
• For liquids without solid constituents and tempera-
tures of max. 95° C:
approx. every 24 months
Intervals of 12 months are recommended for cleaning sys-
tems.
Naturally, the specified values assume that the sealing mate-
rial is resistant to any chemicals used in cleaning.
All data subject to change without notice
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