Van der Ende Pompen B.V.
Maasambacht 4
2676CW Maasdijk
Nederland
Installation manual Envalve series VK, VKF and PVK
Page 11 of 23
3. Safety instructions
Read and understand this installation manual and take all the prescribed precautions before installing or
connecting the Envalve!
The Envalve may only be used for the applications the Envalve was designed for.
The Envalve was designed to function as a stop or regulator in a system or process working with flows of
fluid media. These media may only contain those chemicals suitable for the Envalve and its components
which come into contact with them. Further information about application and use can be found in
paragraph 1.5 and 1.7.
It is forbidden to use the Envalve in a system with solid substances or gasses.
Only connect the Envalve to pressurised air and/or electricity if its fully installed in a suitable system.
Before the Envalve can be taken out of the system, the pressurised air and/or electricity must be
disconnected.
Maximum pressure for the Envalve is 6 bar.
Always disconnect the pressurised air and/or electricity before maintenance or reparation. Disconnect the
electricity by using the main switch from the controlling organ (control panel or something alike), this
switch must be locked during the work on the Envalve.
Always fully connect the pressurised air and electricity after the maintenance or repairs and test the
Envalve.
Work on the Envalve or the connection of the electrics or pneumatics must be done by a competent and
professional person.
230 V Connections must be 4 core cables (open, close, ground and earth) of sufficient diameter and
quality, conform regulations.
Always connect the ground cable to the terminal marked with the ground sign.
Make sure the power cable is connected to a group fused at maximum 16 A with a ground fault circuit
interrupter of 30 mA.
