Burkert 8694 - Rotating the Actuator Module

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Installation
ControlfunctionB(CFB)
Process valve open in rest position (by spring force)
Actuator size ∅ 80, ∅ 100
∅ 125
Positioner
Pilot air outlet
2
2
2
1
2
2
2
1
Actuator
Upper pilot air port
Lower pilot air port
Dryarea
Table 18: Pneumatic connection to actuator, CFB
"Inrestposition"meansthatthepilotvalvesofthepositionerType8694areisolatedornot
actuated.
8.4 Rotating the actuator module
Theactuatormodule(positionerandactuator)canberotatedforstraightseatvalvesandangle
seatvalvesbelongingtoseries2300,2301and27xxonly.
The position of the connections can be aligned steplessly by rotating the actuator module (positioner and
actuator) through 360°.
ProcessvalvesType2300,2301and27xx:Onlytheentireactuatormodulecanberotated.The
positionercannotberotatedcontrarytotheactuator.
Theprocessvalvemustbeintheopenpositionforalignmentoftheactuatormodule.
DANGER!
Riskofinjuryfromhighpressureintheequipment/device.
▶ Beforeworkingonequipmentordevice,switchothepressureanddeaerate/drainlines.
Procedure:
→ Clamp valve body in a holding device (only required if the process valve has not yet been installed).
ATTENTION!
Damagetotheseatsealortheseatcontour.
▶ When removing the actuator module, ensure that the valve is in open position.
→ Control function A: Open process valve.
english
Type 8694 REV.2