heavy fuel oil flow meter 5 m3/h

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# Heavy Fuel Oil Flow Meter 5 m³/h: Selection Guide for Industrial Users **Quick Answer:** For heavy fuel oil at 5 m³/h flow rate, use an oval gear flow meter or Coriolis mass flow meter. Oval gear meters handle high viscosity (up to 100,000 cP) and cost less. Coriolis meters give mass flow, density, and temperature directly. Send us your viscosity (cP), pressure (bar), temperature (°C), and pipe size (DN) for a quote. --- ## Understanding Heavy Fuel Oil Flow Measurement at 5 m³/h Heavy fuel oil (HFO) has high viscosity. At room temperature, it can be 1,000 to 50,000 cP. This makes many flow meter types unusable. Most turbine meters or vortex meters cannot start spinning or generating stable signals. We have seen this on customer sites many times. A power plant in Indonesia tried using an electromagnetic flow meter on HFO. The meter could not work because HFO is not conductive enough. It had electrical conductivity below 5 µS/cm. At 5 m³/h, you are moving roughly 1.4 liters per second. This is a common flow rate for: - Marine auxiliary engine fuel supply - Small boiler burners in factories - HFO transfer from storage to day tank in medium-sized facilities ## Best Flow Meter Types for Heavy Fuel Oil 5 m³/h ### Oval Gear Flow Meter (Positive Displacement) This is our most recommended type for HFO at 5 m³/h. Oval gear meters trap fixed volumes of fluid between rotating gears. Each rotation equals a precise volume. Viscosity changes do not affect accuracy. In fact, higher viscosity reduces internal slip, so accuracy improves. Key specifications for HFO at 5 m³/h: - Line size: DN15 to DN25 - Pressure rating: PN40 or higher (HFO is often preheated) - Temperature: up to 200°C wi heavy fuel oil flow meter 5 m3/h

th PT100 temperature sensor option - Output: 4-20 mA HART or pulse signal - Accuracy: ±0.5% of reading (can reach ±0.2% with calibration) - Viscosity range: up to 100,000 cP Most engineers skip this part. The material of the gears matters. For HFO with sulfur content, use stainless steel gears and tungsten carbide bearings. Aluminum gears wear faster with abrasive particles in residual fuel oil. A paint manufacturer in Southeast Asia last year used our oval gear flow meter DN20 size. Their HFO viscosity was 3,800 cP at 40°C. They preheated to 90°C, bringing viscosity down to 380 cP. The meter ran for 18 months with zero maintenance issues. ### Coriolis Mass Flow Meter Coriolis meters measure mass flow directly. They do not care about viscosity changes. One meter gives you mass flow, density, and temperature. For heavy fuel oil, this is helpful because density changes with temperature. If you bill customers by mass, this is the right choice. Key specifications: - Line size: DN15 (covers 5 m³/h range well) - Accuracy: ±0.1% of reading for mass flow - Pressure drop: higher than oval gear, around 0.5 to 1.5 bar at 5 m³/h - ATEX Zone 1 certification available - Can handle viscosity up to 200,000 cP Here’s the thing. Coriolis costs 2-3 times more than oval gear for the same size. For a 5 m³/h line, you are looking at USD 1,500-3,000 for the meter alone. Oval gear is around 500-1,200 USD. But Coriolis has no moving parts, so wear is almost zero. A customer in Vietnam asked us last year for a Coriolis meter on their HFO line. They had problems with oval gear meters because of sand particles in their fuel. The Coriolis meter solved it completely. ### Comparison at 5 m³/h HFO | Feature | Oval Gear Flow Meter | Coriolis Ma

heavy fuel oil flow meter 5 m3/h

heavy fuel oil flow meter 5 m3/h

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