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EN
This manual is the property of PIUSI S.p.A. Any reproduction, even partial, is forbidden.
translated from italian
K33-K44
1 GENERAL INFORMATION
K44 and K33 are mechanical flowmeters with nutating disk, designed toallow a precise measurement of Die-
sel oil or other fluids compatible with the manufacturing material. The nutating disk of the metering chamber
(seediagram 1, drawing “15”), which is setin motion by the fluid itself, drives thegear train located in the cover
of themeter body (drawing “8”) which transmitsthe motion to the meter (pos. “6”). The meter is equipped with
a non-resettable litre totaliser and a batch register which can be reset by means of a knob (Pos. “2”) whose
unit digit is provided with marks for the readout ofthe tenths of a litre.
WARNING
To ensure a proper and safe use ofthe meter it is necessary to read and follow
the instructions and warnings contained in this manual.An improper installation
or useof the meter may cause damage to objects and people.
Technical data Mod. K33 Mod. K44
Meter Mechanism Nutating disk
Flow rate (range) 20 ÷ 120 litres/min
Operating pressure (max) 3,5 bar
Burst pressure (min) 28 bar
Storage temperature (range) -20 +80 °C
Storage humidity (max) 95 % RU
Operating temperature (range) -10 +60 °C
Pressuer loss with diesel
oil
Flow rate (l/min) 30 60 90
Pressuer loss (bar) 0.005 0.2 0.4
Accuracy after calibration +/- 1%
Repeatability (typical) +/- 0.3%
Batch total readout 3 digits height 18 mm 4 digits height 18 mm
Totaliser readout 6 digits height 6mm 7 digits height 6mm
Readout resolution 0.1 litri
Connections (inlet/outlet) 1” BSP
Weight (approximate) 1.8 Kg 1.9 Kg
Package dimensions 185x185x170 mm
Optional features Registration in US gallons female threaded inlet/
outlet 1”NPT
2 INSTALLATION
The meters K44 / K33 can be installedin any position, on rigid pipelines or
flexible hoses, directly on pumps ortanks. The meter flow direction is fixed
and indicated by an arrow. The meteris supplied in the standard configura-
tion (A). The meter and the cover (see diagram1, pos. “3”) can be rotated by
90° to 90° in respect to the body in order to carry out the different con-
figurations shown (B, C, D). The reset knob can be installed either on the
right side or on the left side of the meter. In order to modify the standard
configuration follow the instructions given in section “Disassembling / Re-
assembling”. The meter body is equipped with 4 blind holes (see diagram 2)
which can be threaded (M5) for a possible fastening.If solid particles enter
the measuring chamber the correct working of the nutating disk may be
affected.Always filter the fluid by installing a filter on the meter inlet (recom-
mended filter 400 μ).
A
B C
D
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