TP0003B
BM METER
Chap 2
Page 6
TECHNICAL DESCRIPTION
8 METER ACCESSORIES
8.1
A full range of accessories are available for use with all Avery--Hardoll brand bulkmeters. A
brief
description of each is given in the following sections. Separate manual/data sheets for each
accessory are available from Liquid Controls for further information.
9 TICKET PRINTER
9.1 A ticket printer may be fitted above the mechanical counter to provide a printed record of each
product delivery through the bulkmeter.
9.2 Two basic types of printer are available, Accumulative and Zero start.
9.3 The accumulative printer records the total amount metered before and after each delivery. The Zero
start printer records only the total for each seperate delivery.
10 MECHANICAL PRESET REGISTER AND VALVE
10.1 Presets the quantity to be delivered and shuts off flow, without shock, when the set delivery has
passed through the meter. Available in 2.5”, 3” and 4” sizes.
11 RATE OF FLOW INDICATOR
11.1 Where indication of flow rate is required so that a definite maximum or minimum flow rate may be
maintained.
11.2 The Indicator consists of a calibrated and compensated tachometer incorporated in the front cover of
the calibrating unit and driven by a gear train. The Rate of Flow Indicator may be calibrated in
Imperial Gallons and Litres, or US Gallons.
12 TEMPERATURE COMPENSATOR
12.1 Designed to operate over a wide temperature range, the Temperature Compensator automatically
adjusts the indicated volume on the counter to an equivalent volume at the standard temperature (60°
For15° C). Dual readout can be provided - one counter showing corrected volume and a second
counter showing actual volume.
13 ADDITIVE MECHANISM
13.1
13.2
Provides automatic in-line blending of bulkmetered fuel with one or two additive mixtures at
pre-determined ratios.
The Additive Mechanism is mounted on the rear of the bulkmeter which requires a different outer rear
cover fitted to allow drive to be taken off the rear stub axle of the rotor. Ideally, the Additive
Mechanism should either be ordered with the bulkmeter or the bulkmeter ordered with the provision
for an Additive Mechanism to be installed at a later date. In which case the bulkmeter will be
delivered with a s
pecial rear
outer cover factory fitted. The rear drive shaft will be covered by a
removable guard. In cases of retro-fitting to an existing bulkmeter, a new rear outer cover will be
required and this must only be fitted by a qualified engineer with full workshop facilities. If this is not
possible, return the bulkmeter to Liquid Controls for modification.
14 STRAINER
14.1 Essential to protect the meter from damage by pipe scale, dirt etc. Available with 40, 60, 80, 100 and
120 mesh baskets, with either cast or fabricated body. It is recommended that new installations
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