Connecting Air Piping - Dellmeco DM 80/800 Instruction Manual

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A hose must be flexible to absorb pump vibration. The hose must be grounded.
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There must be NO external force on any connection part of the pump. Be especially careful not to have
the pump support part of the weight of the hose and the piping.
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Use a sturdy hose that will not collapse under the strong suction of the pump. The hose must be of more
than sufficient pressure rating.
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Use a hose of a diameter the same as or larger than the pump's ports. If the diameter of a hose is
smaller, it will affect the pump's performance or cause its malfunction.
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Keep a vessel below the relief valve to catch any drain off.
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The product has been inspected using clean water at 8 bar discharge pressure.

8.2. Connecting air piping

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Before starting work, make sure that the air compressor is shut off.
1) Connect an air valve, air filter, regulator to a hose connected to the compressor. Install items near the pump.
2) Connect the hose from the peripheral equipment to the air valve of the pump's supply port.
Note:
The diameter of the piping should be the same as the diameter of the pump supply port in order to supply sufficient air.
Peripheral equipment with sufficient airflow should be chosen to meet the requirement of the pump air consumption.
It must be installed nearest the pump unit, even using dry air. Usage and stability of air pressure must be considered.
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CAUTION
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WARNING
17I DELLMECO I AODD DIAPHRAGM PUMPS