 The
Platon range of Borosilicate Glass flowmeters are based
on the well known Variable Area principle of flow measurement.
Using various combinations of tubes and floats, thirteen
standard gas, and seven liquid sizes are available with
scales to suit the application. All tubes are flow tested
prior to scale placement, which is fused into the glass
to provide clear and long lasting visibility. The fluted
floats rotate to indicate free movement and therefore
reliable operation. Available separately or complete with
a flowmeter frame to suit your application. Use the tables
to choose a standard tube or consult our Sales Team who
can help with a custom scale.
Glass tube Variable Area flowmeters are simple and reliable
in operation and instantaneous in response - they offer
flow visualisation to the operator, and the float rotation
gives confirmation of correct meter performance. Standard
tubes and floats offer low line pressure loss and a high-resolution
100mm linear scale fused into the glass tube. Fluid flowing
vertically upwards through the tapered glass tube causes
the float to rise to an equilibrium position. Flow rate
is measured on the scale of the flow tube, along the top
edge of the float. Platon borosilicate glass flow tubes
from RM&C are individually scaled and individually
flow calibrated according to customers requirements. Custom
scales are produced using our "Reynolds Curve"
prediction software, which corrects for the effects of
changes in density, temperature, pressure and viscosity
of the working fluid.
-
Specification
Chart |
| Flow Tube |
Borosilicate glass with fused black ceramic scale |
| Float |
Duraluminium |
| Tube Diameter OD |
12mm or 15mm nominal |
| Tube Lengths |
230,240,250 or 260mm (150mm to special order) |
| Accuracy |
Accuracy to specification required. Typical ±2%
FSD, ±10% of reading or ±2.5mm |
| Standard Calibration |
ATP - 20ºC, 1.013 bar Absolute |
| Gases available |
Oxygen, Nitrous Oxide, Air, Helium, Carbon Dioxide,
Cyclohexane |
| Flow Ranges |
0.1 - 1.0 L/min, 1.0 - 10 L/min, 0.1 - 15 L/min |
|
Anesthetic tubes are made to order. Please
contact us specifying the gas, flow range, accuracy and
tube length required for a specific product and price
quotation. |
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