We also manufacture process flow meters capable of differential pressure measurement with a calibration accuracy of ±1% or more and requiring a large expansion ratio.
Preso designs and manufactures patented Ellipse pitot tubes, industrial, municipal, and commercial venturis, COIN segment wedge flow meters, and various other measurement elements. Preso also produces process flow meters capable of differential pressure measurement with a calibration accuracy of ±1% or more and requiring a large pressure ratio. Additionally, they manufacture B-Plus and C+ metering balance valves for the HVAC industry.
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basic information
<Specifications> 1. Ellipse Pilot Tube Flow Meter ● The patented elliptical design allows for a pressure ratio of up to 17:1, resulting in extremely low pressure loss. ● Capable of measuring liquids, gases, or vapors. ● Pipe diameter: 2 to 120 (50.8 to 3048 mm). ● Calibration accuracy: ±0.75% of the measured value. 2. Venturi Flow Meter and Venturi Insert ● Three unique designs that can be combined for calibration accuracy, repeatability, and optimal cost. ● Pipe diameter: 1/2 to over 60" (6 to 1524 mm). ● Calibration accuracy: ±0.25% of the measured value. ● Pressure loss: 6% of DP. ● Custom specifications can also be manufactured. 3. COIN Wedge Flow Meter ● For liquids with a viscosity of up to 3000 cP (Reynolds number below 300). ● Suitable for abrasive slurries, viscous or dry fluids, tar-like substances, etc. ● Pipe diameter: 1/2" to 48" (6 to 1219 mm). ● Custom specifications can also be manufactured.
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Applications/Examples of results
- Drainage - Semiconductor - Chemistry - Petrochemicals - Electricity
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Company information
Sunny Trading has consistently specialized in the import and sales of automatic control and labor-saving equipment since its establishment in 1961, actively introducing the latest high-performance machinery and equipment from Europe and the United States to the domestic market. The components for production machinery that we handle are widely adopted in industries such as machinery, electrical, and chemical, and we take pride in our extensive delivery track record to national government agencies, universities, research institutions, and the aerospace industry. The delivered parts are incorporated into machines to complete large production facilities, but confirming the compatibility of the products is essential for this process. We always strive to provide appropriate products by investing technical know-how and time for specification confirmation between overseas manufacturers and our customers. Additionally, we take responsibility for follow-up services, including on-site inspections of delivered products and maintenance. Unlike general trading companies that simply import and sell goods, we pride ourselves on being a trading company with engineering capabilities. Products are commercialized as machines by manufacturers, and they are actively utilized in core industries such as semiconductors, steel, shipbuilding, aerospace, packaging, logistics, and chemicals.
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