KOBOLD Instruments Inc • 1801 Parkway View Drive • 15205 Pittsburgh, PA • Tel: +1 412 788 2830 • E-mail: Please activate JavaScript • visit koboldusa.com

kpl-durchfluss.png: Orifice Plate-Differential Pressure KPL

Orifice Plate-Differential Pressure KPL

Connection: DN50 … 600,
Material:
steel, stainless steel, Hastelloy C, titanium, Monel, tantalum
pmax: PN420
tmax: +500°C

Datasheet

application/pdf; charset=binary

kpl_GB-flow

5,2 MB

Description

If a pipeline (through which a medium flows) is reduced at a particular point by a cross-sectional constriction, the flow speed of the measured medium is increased at that point. According to Bernoulli’s energy equation and the law of continuity, the total flow head (dynamic velocity head and static pressure head) is constant. The increase in speed at the constriction causes a  reduction in the static head.

The resulting pressure drop is called the differential pressure head; it is a measure of the flow (volume per unit of time or mass per unit of time). The flow rate q is given by: q = c√∆p The flow rate (q) is a function of the squre root of the differential pressure head (∆p), where c is the coefficient of flow rate determined by the shape of the differential  pressure transducer and the operating data. The pipeline may be constricted with orifice plates.

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KOBOLD Instruments Inc.

1801 Parkway View Drive
15205 Pittsburgh PA
United States of America

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