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1. The difference between orifice flowmeter and balance flowmeter
Both orifice flowmeter and balance flowmeter belong to differential pressure flowmeter, and their core differences cover four dimensions: principle, structure, performance, and installation. Balance flowmeter has stronger comprehensive adaptability, but orifice flowmeter has lower cost and simpler structure. 1. Principle difference: Both are based on differential pressure measurement logic that generates pressure difference through fluid throttling, relying on Bernoulli equation to calculate flow rate: the orifice flowmeter relies on a single thin plate with a central circular hole to achieve throttling, and a pressure difference is formed on both sides when the fluid flows through the orifice plate; The balanced flow meter adopts a porous symmetrical throttling structure, which allows the fluid to be distributed more evenly before and after throttling, and stably generates a measurable pressure difference. The structure difference of the orifice flowmeter is minimal, consisting only of a thin plate with a central circular hole, a pressure measuring device, and a measuring tube; The structure of a balanced flowmeter is more complicated, with multiple wheel leakage throttling holes distributed in the same plane. The shape, size, and distribution of the holes need to be customized and adjusted according to specific operating conditions. 3. The performance characteristics can be visually compared between the two through a table: | Performance dimension | Orifice flowmeter | Balanced flowmeter | ------- | ------- | | | Pressure loss | Large, which will increase subsequent operating energy costs | Small, can reduce long-term operating costs | Measure
2.1 minutes to understand the difference between balance flowmeter and orifice flowmeter
The core difference between balance flowmeter and orifice flowmeter lies in their working principle, structural composition, performance characteristics, and application scenarios, as follows:
1. Working principle Balance flowmeter: Based on the energy balance positive roll principle design, it belongs to a new type of differential pressure flow instrument.
. Through unique Reynolds number design, increased thickness of throttling components, and high-precision machining, the fluid flow performance approaches that of a Venturi tube, resulting in a concise structure and significantly improved performance. Orifice flowmeter: It calculates the flow rate by measuring the pressur
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