Connecting The Control Medium; Optical Position Indicator; Assembly / Disassembly Of Spare Parts; Valve Disassembly (Removing Actuator From Body) - GEM BioStar 650 Installation, Operating And Maintenance Instruction

10.3 Connecting the
control medium
Important:
Connect the control medium lines
tension-free and without any bends
or knots!
Use appropriate connectors
according to the application.
Thread size of the control medium
connectors:
Diaphragm size 8:
Diaphragm size 10 - 100: G1/4
Control function
Normally closed
1
(NC)
Normally open
2
(NO)
Double acting
3
(DA)
For connectors 2 / 4 see pictures on page 34

10.4 Optical position indicator

Valve open
650
G1/8
Connectors
2: Control medium (open)
4: Control medium (close)
2: Control medium (open)
4: Control medium (close)
Valve closed
11 Assembly / disassembly
of spare parts
20
19
19
18
11.1 Valve disassembly
(removing actuator
from body)
1. Move actuator A to the open position.
2. Diagonally loosen and remove the fastening
elements between valve body 1 and
actuator A.
3. Lift off actuator A from valve body 1.
4. Move actuator A to the closed position.
Important:
After disassembly, clean all parts
of contamination (do not damage
parts). Check parts for potential
damage, replace if necessary (only
use genuine parts from GEMÜ).
38 / 52
A
2
1