Data Sheet for Product

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Siem ens Butterfly valves PN6, PN10, PN16 CM1N4131en
Building Technologies 2017-01-26
To avoid pressure shocks on the butterfly valve, the VKF41.. must be driven to its fully
open position (either manually or via positioning signal Y1) prior to activating the
pump(s).
Mounting notes
The Mounting Instructions 4 319 8927 0 are enclosed in the product packaging.
VKF41.. butterfly valves can be mounted in PN 6, PN 10, PN 16 applications.
9
471 6Z16
90°
Upright to horizontal
The valve, actuator and mounting set are easily assembled directly on site. There is no
need for special tools or calibration.
Commissioning notes
The butterfly valve must be commissioned only with the mounting set and actuator
correctly assembled.
Disk rotated clockwise: Increasing flow
Disk rotated anti-clockwise: Decreasing flow
Maintenance
The VKF41.. butterfly valves require no maintenance.
Before performing any service work on the valve, actuator or mounting set:
Switch off the pump and power supply
Close the main shut-off valves in the pipework
Release pressure in the pipes and allow them to cool down completely
If necessary, disconnect electrical connections from terminals.
The valve must be re-commissioned only with the correctly mounted actuator.
Disposal
Do not dispose of the device as household waste.
Special handling of individual components may be mandated by law or make
ecological sense.
Observe all local and currently applicable laws and regulations.
Warranty
The technical data given for these applications is valid only in conjunction with the
Siemens actuators as detailed under "Equipment combinations", page 3.
All terms of the warranty will be invalidated by the use of actuators from other
manufacturers.
Warning
Orientation
Caution