High-quality classic Venturi tube flow meter manufacturers, quotations and models

Abstract: Manufacturers of high-quality classic Venturi tube flow meters, quotation and model information are provided by excellent manufacturers of flow meters and flow meters. Classic Venturi Flowmeter Overview The classic Venturi tube is designed and manufactured according to the national standard GB/T2624-93 and verified according to the verification regulations JJG640-94. In the standard throttling device, it requires the shortest upstream and downstream straight pipelines, minimum pressure loss, stable performance, and easy maintenance. More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. The following are high-quality classic Venturi tube flowmeter manufacturers, quotations and model article details. Overview of classic venturi flowmeter The classic venturi tube is designed and manufactured according to the national standard GB/T2624-93, and verified according to the verification procedure JJG640-94. Among the standard throttling devices, it requires the shortest upstream and downstream straight pipes, minimum pressure loss, stable performance and easy maintenance. Because of its accurate calculation and low energy consumption, it has been widely used in petroleum, chemical, electric power and metallurgical industries. Scope of application of classic Venturi flowmeter 1. Nominal diameter: 50mm≤DN≤1200mm (calibration is required beyond this range) Rough casting shrinkage section: 100mm≤DN≤800mm Machining Shrinkage: 50mm≤DN≤250mm rough welding iron plate shrinkage section: 200mm≤DN≤1200mm 2. Throttle aperture ratioβ: 0.3≤β≤0.75 Rough casting shrinkage section: 0.3≤β≤0.75 Machining Shrinkage: 0.4≤β≤0.75 rough welding iron plate shrinkage section: 0.4≤β≤0.7 3. Reynolds number range: 2×105≤ReD≤2×106 Rough casting shrinkage: 2×105≤ReD≤2×106 Machining Shrinkage: 2×105≤ReD≤2×106 Shrinkage section of rough welded iron plate: 2×105≤ReD≤2×106 4. Accuracy class: Class 1 Classic Venturi flowmeter Features: The classic Venturi tube has a simple structure, durability and stable performance. Classic Venturi tubes have low pressure loss, saving the energy required for fluid transport. The classic Venturi tube is in the range of 50 to 1200 diameter. No real flow calibration is required. Beyond this range, you can refer to the design and manufacture. When higher accuracy is required, real-flow calibration can be performed. The installation size of the body is long, and it is not convenient for transportation and installation for large-diameter instruments. Main technical parameters of classic venturi: Nominal diameter (mm): DN50-DNl200 (~2600) Nominal pressure (MPa): 0 25 ~ 4 0 (~ 6 3) Accuracy (uncertainty):±01%～±The axial direction of the 15% classic Venturi tube is composed of the inlet cylindrical section A, the conical constriction section B, the cylindrical throat section C, and the conical diffusion section E. The diameter of the cylindrical section A is D, and its length is equal to D; the constricted section B is conical and has 21°±1°The included angle of ; the throat C is a cylinder with a diameter d, and its length is equal to d; the diffusion section E is conical, and the diffusion angle is 7°~15°. The shrinkage section of the classic Venturi tube is divided into three forms: rough casting shrinkage section, machining shrinkage section, and rough welding iron plate shrinkage section. The upstream pressure taking port and throat pressure taking port of the classic Venturi tube are made into several (no less than 4) separate pipe wall pressure taking ports, and the pressure taking of several separate pipe walls is connected by a pressure equalizing ring. when d≥When 33.3mm, the diameter of the throat pressure-taking port is 4-10mm, and the upstream pressure-taking port diameter should not be greater than 0.1D; when d≤When the diameter is 33.3mm, the diameter of the throat pressure taking port is 0.1d ~ 0.13d, and the diameter of the upstream pressure taking port is 0.1d ~ 0.1D. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'Quality Classic Venturi Flow Meter Manufacturers, Quotations and Models'

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