©COMEV
AL
V
AL
VE SYSTEMS
Technical Dept. Ref. IOM - PNEUMA
TIC
ACTUA
TORS
AF SERIES - Ed.20/1
1
Comeval V
alve Systems reserves the right to alter any technical data contained in this Manual without prior notice. Regularly updated data on www
.comeval.es
COLUMNLESS PNEUMATIC ACTUATORS AF SERIES
FOR DIAPHRAGM VALVES
Page 9
13. PARTS LIST
Single Acting spring to close
3
2
4
5
6
7
20
9
21
1
8
10
11
16
14
15
22
13
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
20
Single Acting spring to open
1
5
9
18
6
8
2
13
16
14
15
22
11
10
7
No. Description
1
Handwheel
2
Stem extension
3
Nut
4
Opening limit rod
5
Spring chamber bolts
6
Spring plate
7
Spring chamber
8
Spring
9
Visual indicator
10
Upper chamber
11
Chambers union bolts
12
Retainer bolt
13
Retainer washers
14
Diaphragm upper plate
15
Diaphragm
16
Lower chamber
17
Spring’s seat
18
Stem extension’s locking nut
19
Stem’s locking nut
20
Travel limiter screws
21
Bushing
22
Housing plate
1
2
18
9
5
6
7
8
17
10
11
13
13
14
15
16
