
Falling Head Permeability Apparatus ASTM D5856, EN 17892-11
07/05/2021
Pressure Ageing Vessel PAV 81-PV2600
06/01/2022LOSSES IN PIPES PANEL
The FL02.1 equipment has been designed for the study of both friction losses in pipes, and the losses of characteristic elements offacilities such as; fittings,
valves and measuring elements.
LEARNING OBJECTIVES
⦁ Measurement and testing of primary load losses that occur on straight sections of various types of pipes, considering the possibility of measuring losses in pipes :
⦁ Different interior diameters, 21.2 and 13.6 mm.
⦁ Different materials.
⦁ Checking the relationship between pressure drop
and flow velocity in the pipe.
⦁ Obtaining pipe roughness:
⦁ Galvanized steel
⦁ Copper
⦁ etc …
⦁ Measurement and verification of secondary load losses that occur in elements of facilities such as :
⦁ Elbows 90 ° short radius.
⦁ Elbows 90 ° long radius.
⦁ 45 ° elbows.
⦁ You straight.
⦁ You tilted.
⦁ Sudden enlargement.
⦁ Abrupt narrowing.
⦁ Gradual widening.
⦁ Taper.
⦁ Gate valve.
⦁ Check valve.
⦁ Valve seat.
⦁ Ball valve.
⦁ Diaphragm valve.
⦁ Diaphragm.
⦁ Venturi.
⦁ Rotameter.
⦁ Filter.
⦁ etc …
⦁ Calculation of loss coefficients corresponding “K” to each of the elements mentioned above.
⦁ Use, calculation and setting of various measuring elements, such as :
⦁ Rotameter.
⦁ Venturi.
⦁ Diaphragms; inner diameter 15 mm. and 13 mm.
⦁ Flow metering valve.
⦁ etc …
⦁ Check the pressure of work throughout the facility.
⦁ Using different types of gauges :
⦁ Water column.
⦁ Electronic differential pressure gauge.
⦁ Bourdon type.
⦁ Draw and compute the characteristic of the pump
installation.
TECHNICAL DATA
Inner diameters :
⦁ Main pipe Øinner = 21.2 mm. ; outer = 25 mm.
⦁ Narrowing / smooth widening.
* Øinner = 13.8 mm. ; Øouter = 16 mm.
⦁ Narrowing / sudden enlargement.
* Øinner = 45.2 mm. ; Øouter = 50 mm.
Manometers :
⦁ Water manometer, range ca 1 m
⦁ Electronic differential pressure gauge (± 7000 mbar)
⦁ Bourdon Manometer, read range 0/25 m ca
⦁ Hand-Bourdon gauge, read range -76 cm Hg / ca 25 m
Gauge lengths between tappings :
⦁ In the straight sections of pipe No. 7 and No. 14 is
1 meter.
⦁ At number section 12 is 0.5 meters.
⦁ Between the end of the fitting gauge shots and there
is always the beginning or 40 mm, except for the
following cases :
* Tappings gauge upstream and downstream of
the diaphragm (3) to 135 mm.
* Tappings upstream gauge widening (9) and
down abrupt narrowing (11) to 125 mm.
* Shot gauge widening / narrowing soft (4-7)
to 270 mm.
Venturi :
⦁ Inner diameter of 12 mm throat.
⦁ Inside pipe diameter 21.2 mm.
⦁ Exit cone 7º
⦁ Input cone 21°Diaphragm 15 mm :
⦁ 15 mm inner diameter narrowing.
⦁ 21.2 mm inner diameter pipe. Diaphragm 13 mm :
⦁ 13 mm inner diameter narrowing.
⦁ 21.2 mm inner diameter pipe.
Info/Price :
Yudhistira, ST
Hp. 0811 188 6845; 08180816 0634(WA)
Email : naysite2@gmail.com;







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