SOMAS A11 - Air Connections Codes

15
2
OPEN
2
OPEN
4
CLOSE
4
CLOSE
2
OPEN
4
CLOSE
Original document - Mi-503 EN Edition: 2022-06
3.3 Air connections codes
The air connections of the actuator are identified as follows:
4
CLOSE
Rising pressure has a rotary motion clockwise as a consequence - Somas valve closes
2
OPEN
Rising pressure has a rotary motion counterclockwise as a consequence - Somas valve opens
Type A size A11, A21 and so on has one cylinder.
Fig.3-3 Air connections on type A size A11, 21... with one cylinder
Type A size A22, A32 and so on has two cylinders.
Fig.3-4 Air connections on type A size A22, 32... with two cylinders