Fig. 10 Linked valves
7.3 Mechanical Installation
1. Make sure there is sufficient space for the connecting cable and tubing connections.
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This will prevent kinks from forming in the connecting cables and the tubing.
2. Place the valve as close to the consumer as possible.
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This leads to improved control precision and shorter response times.
8 Installation
8.1 Pneumatic Installation
Valves for Standard Operation (Overpressure)
1. Attach the tubing to the connections:
– Compressed air (1)
– Working air (2)
2. Fit a silencer at the exhaust air connection (3) or provide for ducted exhaust air.
Valves for Vacuum Operation and Combined Vacuum / Overpressure Operation (VPPI -...- 1V... H -...)
1. Attach the tubing to the connections:
– Vacuum (3)
– Working air (2)
2. Connect a compressed air supply to port (1) or mount a silencer to protect the valve from coarse
dirt particles.
Installation
10 Festo — VPPI-...-D — 2019-12
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