Wedge Flow meter

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1. Wedge flowmeter standard

The core parameter standard of wedge flowmeter is clear: applicable pressure up to 40MPa, temperature range -250 ℃ to 550 ℃, ± 1% accuracy, and ten-year service life are its core advantages. 1. Structural parameter standard • Working pressure: The conventional upper limit is 40MPa, and the range of -0.1~6.4MPa is applicable when expanding application scenarios. • Temperature tolerance: The basic model covers -50~400 ℃, and the special model meets the high temperature requirements from -250 ℃ to 550 ℃. • Diameter specifications: Suitable for pipelines ranging from DN15 to 2200mm and above, suitable for small precision equipment to large industrial pipeline scenarios

2. Performance index specifications • Measurement accuracy of Shanling: Basic error is controlled within ± 1%, and special working conditions allow an error range of ± 1.5%. Repetitive stability: A data fluctuation range of ± 0.2% ensures long-term monitoring reliability. Range elasticity: 10:1 range ratio combined with a minimum flow rate of 0.01m/s, taking into account both weak and large flow monitoring. • Renault adaptation: covering a wide range of fluid states from Reynolds numbers of 300 to 1 × 10 ⁶, including high viscosity liquids (upper limit of 500mPa • S viscosity value)

3. Application configuration classification • Assembly form: integrated structure saves space, split design facilitates tedious environmental maintenance. Functional subdivision and wide collapse type: The conventional type is suitable for monitoring single-phase fluids, while the mixed phase flow type is specifically designed to handle gas-liquid/solid mixed media. • Transmission matching: Equipped with a remote transmission membr

2. What are the well-known manufacturers in China that are good at making wedge-shaped flow meters? Wedge flow meters are similar to orifice plates and V-cone flow meters, and there are no well-known manufacturers in the market. This type of flowmeter mainly relies on the principle of differential pressure to measure the flow rate of high viscosity media, so the key is to ensure the machining accuracy of the generator. Usually, choosing a well-known brand of differential pressure transmitter can achieve good measurement accuracy. In practical application, I once saw a successful case of wedge-shaped flowmeter in a sugar factory, and its usage effect was quite good. This product is produced by an instrument company in Shandong. The measurement accuracy of a wedge flowmeter largely depends on the performance of the differential pressure transmitter and the machining accuracy of the generator. Therefore, although there are no well-known manufacturers in the market, accurate traffic measurement can still be achieved by selecting high-quality branded products. For situations where high viscosity media flow needs to be measured, a wedge flowmeter is a good choice. Although there is no particularly well-known manufacturer, as long as the appropriate differential pressure transmitter is selected and the machining accuracy of the generator is ensured, good measurement results can still be achieved. It is worth noting that differential pressure transmitters of different brands and models have differences in accuracy and stability, so when selecting, it is necessary to consider the specific application

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