Orifice Plates

Features


General Instruments orifice plate is a device used for measuring flow rate. Either a volumetric or mass flow rate may be determined, depending on the calculation associated with the it. It uses the same principle, namely Bernoulli's principle which states that there is a relationship between the pressure of the fluid and the velocity of the fluid. When the velocity increases, the pressure decreases and vice versa.



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Specifications
Type of orifice O plate Reynolds Application Viscocity @ 30 C
Square edgeconcentric 5000 onwards For all applications with clean of foreign particles 0.01cp to 10cp
Conical entrance 80 to 1500 High viscosity measuring capacity leading to ruling off application which requires accuracy at lowest reynolds, thus effectively rid off applications of magnetic and vortex 0.01cp to 1500cp
Eccentric 3000 to 12000 For liquids containing solid
particles that are likely to sediment or for vapors likely to deposit water
condensate, also
used for bottom flush
application
0.01cp to 1500cp
Quadrant edge 1500 to 9000 Viscous fluids and all
and most for 40cp
Fertilizer and
petrochemicals
0.01cp to 40cp
Segmental 5000 to 2000 Sedimentation
process application
0.01cp to 20cp