16 1 X 78 en
6.5 Installing other than Metso actuators
Other actuators can be installed only if they have an ISO
5211 actuator connection.
7 MALFUNCTIONS
The following Table 7 lists malfunctions that might occur
after prolonged use.
8TOOLS
In addition to standard tools, the following special tools
might facilitate some phases of the work.
For removal of the actuatot:
For removal of the locked seats:
For locking of the seats:
These tools can be ordered from the manufacturer. Always
give the valve type designation when ordering.
9 ORDERING SPARE PARTS
When ordering spare parts, always include the following
information:
type code, sales order number, serial number
(stamped on a valve body)
number of the parts list, part number, name of the
part and quantity required
This information can be found from the identification plate
or documents.
NOTE:
Metso accepts no responsibility for compatibility of actua-
tors not installed by Metso.
Extractor tools (Actuator Series B1C/B1J)
Product: ID:
B1C/B1J 6 303821
B1C 8-11 / B1J 8-10 8546-1
B1C 12-17 / B1J 12-16 8546-2
B1C/B1J 20 8546-3
B1C/B1J 25 8546-4
B1C/B1J 32 8546-5
B1C 40 / B1J 322 8546-6
B1C 50 8546-7
B1C 502 8546-8
Seat removal tools
Product: ID:
DN 25 (1'') 270073
DN 40 (1½'') 270075
DN 50 (2'') 270076
DN 80 (3'') 270078
DN 100 (4'') 270079
Seat locking tools / Insertion tools
Size: ID:
(1'') H018890
(1½'') H018889
(2'') H018886
(2½'') H021153
(3'') H018885
(4'') H018881
(5'') H027818
(6'') H016886
(8'') H018555
(10'') H018556
(12'') H018557
Table 7 Possible malfunctions
Symptom Possible fault Actions
Leakage through a closed
valve
Wrong stop screw adjustment of the actuator Adjust the stop screw for closed position
Damaged ball surface Turn the ball by 180°
Damaged seat(s) Replace seat(s)
Ball cannot move freely Clean the inside of the valve
Irregular valve movement Impurities between the ball and seats Flush the valve from the inside
Clean the sealing surfaces and seats
mechanically
Leakage through gland
packing
Loose packing Tighten the nuts
Worn-out or damaged packing Replace the gland packing
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