crude oil flow meter 100 L/h

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# Seawater Flow Meter for Desalination Plant: What You Need to Know **Quick Answer:** For seawater desalination plants, Coriolis mass flow meters and electromagnetic flow meters are the most common choices. Coriolis meters handle high-viscosity brine with ±0.1% accuracy, while electromagnetic meters work best for clean seawater feed lines. Send us your pressure (bar), temperature (°C), pipe size (DN), and flow range to get a quote. ## Project Background I work for Silver Automation Instruments. We are a flow meter and process instrument supplier based at flow-meter.com.au. Our main products include Coriolis mass flow meters, electromagnetic flow meters, ultrasonic flow meters, vortex flow meters, oval gear flow meters, thermal mass flow meters, pressure transmitters, and paperless recorders. We also operate flow-meter.com.au. Our customers are industrial end-users and distributors in Southeast Asia, Oceania, Latin America, Africa, and the Middle East. Most are SMEs with 10 to 100 employees. They work in oil and gas, water and wastewater, chemical, food and beverage, and marine industries. We use Laravel with Filament v3 for the backend. The TipTap rich text editor supports Source Code mode. You can paste HTML directly. ## Why Seawater Flow Meters Need Special Attention Seawater is not like fresh water. It has high salt content, around 35,000 ppm. It is corrosive. It contains marine organisms. Temperature can range from 2°C in the North Sea to 35°C in the Persian Gulf. Most engineers skip this part. They pick a standard flow meter and expect it to last. We have seen this on customer sites many times. A desalination plant in Saudi Arabia replaced their electromagnetic flow meter every 18 months. The liner was f crude oil flow meter 100 L/h

ailing because of abrasive sand particles. Heres the thing: you need a flow meter with proper material selection. For seawater, we recommend hastelloy C-22 wetted parts. For the liner, use PTFE or PFA. Do not use neoprene or polyurethane. They degrade in seawater within two years. ## Application Breakdown in a Desalination Plant A typical reverse osmosis desalination plant has several flow measurement points. ### Seawater Intake Line This is the raw seawater coming from the ocean. Flow rate can be 500 m³/h for a medium plant. Pipe size is usually DN300 to DN600. Temperature is ambient, 15°C to 35°C. Pressure is low, 2 to 5 bar. For this application, an electromagnetic flow meter works well. It has no moving parts. It handles dirty water with sand and debris. Accuracy is ±0.5% of reading. We recommend Silver Instruments model SIL-EMF-DN300. It has a PTFE liner and hastelloy electrodes. The converter uses DSP technology. Output is 4-20 mA HART. You can read flow rate directly on the LCD display. ### Pretreatment Chemical Dosing Before RO membranes, the plant adds chemicals. Antiscalant, coagulant, and chlorine. Dosing rates are small, 1 to 50 L/h. Pipe size is DN15 to DN25. Here you need a low-flow meter. A Coriolis mass flow meter is ideal. It measures mass flow directly. It does not get affected by fluid density or viscosity changes. A paint manufacturer in Southeast Asia used our SIL-CMF-DN15 for sulfuric acid dosing. The acid concentration varied. But the Coriolis meter kept ±0.1% accuracy. They have been running for three years without recalibration. ### RO Membrane Feed This is high-pressure water going into the RO membranes. Pressure is 55 to 80 bar. Flow rate depends on plant capacity. Temperature rise

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