GEM 553 Installation, Operating And Maintenance Instruction page 39

Operator version 0GS
C.f. 2 Normally open (NO)
C.f. 3 Double acting (DA)
Min. control pressure dependent on operating pressure
(Flow direction: under the seat)
8
7
6
5
4
3
2
1
0 5
Operating pressure [bar]
Betriebsdruck [bar]
Operator version 1GP
C.f. 2 Normally open (NO)
C.f. 3 Double acting (DA)
Min. control pressure dependent on operating pressure
(Flow direction: under the seat)
7
6
5
4
3
2
1
0 5 10
Operating pressure [bar] Betriebsdruck [bar]
Pneumatic stainless steel
actuator
Design code S
Pneumatic plastic actuator
Design code P
Manual operator
Design code M
Pneumatic stainless
steel actuator
Design code S
* Special length for attaching extended accessories (see datasheet pages 14 and 15)
Operating pressure / Control pressure characteristics
(only for pneumatic actuators)
Seat ø E
Sitz ø E
10 15 20 25
Seat ø G
Sitz ø G
15 20 25
Availability table for GEMÜ 553
Connection
DN
size
1/2" NPT,
15
G 1/2
3/4" NPT,
20
G 3/4
3/4" NPT,
20
G 3/4
1/2" NPT,
15
G 1/2
3/4" NPT,
20
G 3/4
C.f. 2 Normally open (NO)
Min. control pressure dependent on operating pressure
(Flow direction: under the seat)
8
7
6
5
4
3
2
1
0
Operating pressure [bar]
Min. control pressure dependent on operating pressure
(Flow direction: under the seat)
7
6
5
4
3
2
1
0 5
Operator Control
size function
1, 2, 3
0
1
1, 2, 3
1
1
1, 2, 3
1
1
0 0, L
2 1, 2, 3
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Operator version 1GS
C.f. 3 Double acting (DA)
15 20
5 10
Betriebsdruck [bar]
Operator version 2GS
C.f. 2 Normally open (NO)
C.f. 3 Double acting (DA)
10 15 20
Operating pressure [bar]
Betriebsdruck [bar]
Flow Seat
direction diameter
G E
M E
G G
M G
G G
M G
G, M E
G G
Seat ø G
Sitz ø G
25
Seat ø G
D
25
Length
S
S
S, L*
S, L*
L
L
S
L
553