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1. Why do rotary flow meters need to be filled with water? Some rotary flow meters use a wet gauge head, such as a water gauge or steam gauge, and some of its components are immersed in water (medium) during operation. If water (medium) cannot enter automatically or does not want the medium to enter directly during use, manual injection is required. For example, in a rotor steam flowmeter, if water is not injected beforehand, high-temperature steam will enter the injection section, causing the meter to burn out. 2. What are the commonly used steam flow meters
The commonly used steam flow meters are as follows
1. Vortex flowmeter: simple structure, no pressure tube, large measurement range, small pressure loss, generally used for saturated steam flow measurement, limited by temperature, usually cannot exceed 300 ℃, cannot be used for superheated steam flow measurement and high humidity hole grinding saturated steam measurement
2. Differential pressure flowmeter: simple structure, firm, reliable performance, long service life, wide temperature and pressure range, low price, no need for real flow calibration, especially suitable for measuring high temperature and high pressure saturated steam and superheated steam.
. The disadvantage is that the installation is cumbersome, the pressure loss is large, and there is a certain measurement error.
3. What are the commonly used steam flow meters?
What are the commonly used steam flow meters? We will provide a detailed answer. If you find it helpful, please give a thumbs up to Weidun VTON. The steam vortex flowmeter is a new type of flowmeter that measures fluid flow in closed pipelines based on the Karman vortex principle. Due to
1. Differential pressure flow meters still rank first in the measurement of steam flow rate, for example, Weidun VTONs differential pressure flow meters are widely used in steam;
; It is based on authoritative standards and has easy to replicate test samples; Simple and sturdy structure, reliable performance, and long service life; Wide range of temperature and pressure that can be used; Low price, no need for real-time calibration and other advantages. The complete set of differential pressure flowmeter instruments consists of standard throttling devices, differential pressure transmitters, and flow integrators from different manufacturers, making it flexible and convenient to use. Differential pressure flow meters are particularly suitable for measuring saturated and superheated steam at high temperatures and pressures. But there are also shortcomings, such as cumbersome installation, easy leakage, and high labor intensity for maintenance and disassembly; The range ratio is only 3:1, resulting in significant pressure loss; Due to changes in measurement conditions during use, process parameters may deviate from the design values, resulting in significant measurement errors.2、 Vortex flowmeter has a simple structure and does not require pressure pipes; Large measurement range, with