Approx. Rs 12,000 / Piece Get Latest Price
|Repeatability of Measurement||+/- 0.2 %|
|Usage||Clean Liquid, Gas Flow Measurement|
Averaging Pitot Tube produces an averaged differential pressure (DP) proportional to the square of the flow rate. The DP output is normally piped to a Differential Pressure Transmitter in order to generate an electrical signal proportional to the flow rate.
For certain applications, the DP Transmitter can be directly mounted on to the APT via an integral 3-way valve manifold.
APT is designed to span the process pipe diameter and comprises four basic components:
The total pressures developed at each upstream hole by the impact of the flowing medium are firstly averaged within the outer impact tube and then to a second order (and more accurately) averaged within the internal averaging tube. This pressure is represented at the head as the high pressure component of the DP output.
The low-pressure component is generated from a single sensing hole located on the downstream side of the outer impact tube.
The outer impact tube has a number of pressure sensing holes facing upstream which are positioned at equal annular points in accordance with a log linear distribution.
APT is NOT suitable for the measurement of 2 phase fluids or when the fluid does not completely fill the cross section of the pipe.