Rev. 1.2
Assembly Instructions
– Dosing Valves WDV-0x
Page 9 of 34
Walther Systemtechnik GmbH
– D 76726 Germersheim
Telefon: +49 (0)7274-7022-0 Telefax: +49 (0)7274-7022-91
http://www.walther-2000.de
4.4 Steps in the Dosing Process with the WDV
I Dosing lift
1. The dosing chamber is filled with medium before the actual dosing
Controlled via an external 5/2-way valve, the air piston first moves to the front end position
2. After having reached the end position, the dosing piston moves and the dosing chamber is emptied
