The low pressure drop for the BM series of Avery-Hardoll bulkmeters is shown opposite.
Avery-Hardoll bulkmeters can be used on all petroleum products of all viscosities that are normally p
umped. However there is obviously an increase in pressure drop with more viscous fuels which will,under normal circumstances, limit the maximum flowrate obtainable. It is recommended that the pressure drop through a bulkmeter should not exceed 15 psi (one bar), above which the load on the bearings will start to cause wear. Consequently when using products with viscosities(at operating conditions) above 100 centistokes, it is necessary to reduce the maximum permitted flowrate. As a guide it is suggested that the pressure drop through the meter should not exceed 10 psi (0.7 bar) for continuous running at maximum speed or 15 psi (one bar) for continuous running at half speed.
A full range of accessories is available for use with all Avery-Hardoll bulkmeters and these are described in
the following paragraphs. Details may be obtained from each relevant leaflet.
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