The air valve is constructed for oil-free air. Lubrication of the air is not allowed. However, if the
air is very dry (laboratory air), the air may be lubricated with water. Maximum air pressure is 8
bar. As prevention purpose, a filtration of the air by means of a 5 micron filter or finer is
recommended. Recommended air quality according to PN-ISO8573-1:2010 is particles class 6,
water class 4 and oil class 4. Dirt in the air can under unfortunate circumstances be the cause
of a breakdown. If a compressor used to generate compressed air is not fitted with an air dryer
it is recommended to use a water separator to remove the extent of water from the prepared
air.
To facilitate the operation of the pump we recommend an air treatment system connected to
the air supply. These components should be included:
1) Regulator to adjust the air pressure;
2) Manometer to read the actual pressure;
3) Needle valve to adjust the air flow (especially when operating the pump in the lower range
of performance);
4) Filter.
These components are included in Tapflo’s Air treatment system which can be ordered from
us.
1) Gate valve compressed air
2) Filter and pressure regulator
3) Flexible hose
4) Needle valve
5) Flexible piping
6) Gate valve suction
7) Gate valve discharge
8) Coiled flexible piping
9) Flow gauge
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