ARI Armaturen FA800 EN - Manual (Page 9)

Rev. 0040504003 2310 Page 9
Operating and installation instructions
Pneumatic actuators - FA160-800
5.3 Valve with actuator
Fig. 8: FABA-Supra with and without actuator
(Actuators parts starts with pos. 50.x)
5.4 Control pressure connection
The control pressure-connecting line is to be hooked up to the diaphragm base (pos. 8)
during the „Spring closes“ operating mode and to the diaphragm cover (pos. 9) during the
„Spring opens on air failure“ operating mode.
Actuator Threaded joint connection
FA160 - FA400 G 1/4“
FA800 G 3/8“
ATTENTION !
- The actuator diaphragm is only allowed to be admitted control air on the
opposite side of the springs (pressure chamber).
The component hole (ventilation) on the spring side must always be open.