Title: 370.02-SC001 - Siemens VKF41.100 (Stengeventil).pdf
VKF41.. butterfly valves can be mounted in PN 6, PN 10, PN 16 applications.Upright to horizontal90°90°6 1 Z 6 1 7 4The valve, actuator and mounting set are easily assembled directly on site. There is no need for special tools or calibration.The butterfly valve must be commissioned only with the mounting set and actuator correctly assembled. Increasing flow · Disk rotated clockwise: · Disk rotated anti-clockwise: Decreasing flowThe 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.