Rev. 1.2
Assembly Instructions
– Dosing Valves WDV-0x
Page 10 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
II Refill lift
3. Once the dosing piston reaches the end position, the dosing piston sensor sends a signal, if
applicable. The volume has been completely dosed.
4. Controlled by the external 5/2-way valve, the air piston is moved back into the basic position.
5. Also the dosing piston will be moved hereby and the dosing chamber is refilled by in-flowing medium.
Both pistons have returned into the basic position.
6. The cycle can start again.
