Cooking Oil Flow Meter DN100 Refining Stream Pipeline Layouts

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DN100 Cooking Oil Flow Meter for Refining Stream Pipeline Layouts

Quick Answer: For a DN100 cooking oil line in an edible oil refinery, pick an oval gear positive displacement meter or a Coriolis mass flow meter. Oval gear meters cost less and handle high viscosity palm oil, soybean oil and other streams up to 150 °C. A Coriolis meter gives direct mass flow, density and 0.15% accuracy when you need precision batch charging. Silver Automation Instruments supplies both types with food grade materials, 4-20 mA HART and ATEX options.

Where DN100 Meters Fit Inside Edible Oil Refining

Refining plants run multiple streams through DN100 pipelines. You find this pipe size at crude oil unloading, neutralization, bleaching feed, deodorization feed and finished oil transfer to storage. Bulk palm oil or sunflower oil moves at 50 to 120 m³/h, at temperatures from 40 °C up to 180 °C in heat recovery loops. A reliable flow meter supplier must know these process conditions. Silver Instruments has supplied DN100 flow meters to palm oil refineries in Malaysia, soybean plants in Egypt and coconut oil facilities in the Philippines.

Oval Gear Flow Meter for DN100 Cooking Oil Streams

The Silver Instruments OGM series oval gear meter remains the most cost effective pick for viscous edible oils. For DN100, the cast iron or stainless steel 304 body covers a flow range of 9 to 160 m³/h. PTFE or PEEK gears handle oils up to 5000 cP with repeatability of 0.1%. Accuracy stays at ±0.5% of reading. Customers measure crude degummed oil, neutralized oil or palm stearin. A high temperature option takes the meter up to 150 °C with no loss of precision. We always ship a 200 micron Y strainer with the DN100 meter. Install the strainer within 10 pipe diameters upstream. In our support calls, most mechanical failures trace back to a missing or clogged strainer.

Coriolis Mass Flow Meter in a DN100 Refining Line

When the application calls for mass balance or custody grade measurement, switch to a Silver Instruments Coriolis meter, model CMF-DN100. It measures mass flow directly in kg/h, plus density at 4-20 mA HART. One tube design handles up to 140 t/h. A deodorization feed line uses density output to control stripping steam ratio. The meter works at a process temperature up to 200 °C and pressure up to PN40. With no moving parts, it tolerates small carryover of bleaching earth fines better than a gear meter. We shipped CMF-DN100 meters to a specialty fat fractionation plant in Vietnam and a sunflower oil packaging line in South Africa. The Coriolis cost is higher, but payback comes from reduced oil loss and accurate mass inventory.

Pipeline Layout and Installation Rules for DN100 Meters

A poor layout causes measurement drift, air pockets and pulsation errors. Oval gear meters do not demand straight pipe runs by principle, but we still recommend 10D upstream and 5D downstream when a control valve sits nearby. Coriolis meters need no straight run if pipe supports are rigid. Mount the meter in a fully flooded section. Horizontal oval gear me

Cooking Oil Flow Meter DN100 Refining Stream Pipeline Layouts

ters must have the gear axis horizontal to avoid sediment. For bleached or degummed oils that might carry trace water, install the meter on a vertical upward pipe. This keeps the pipe full at all times. Support the DN100 meter body with dedicated pipe stands to dampen pump vibration. In palm oil lines, add steam tracing and insulation when ambient temperature falls below 30 °C. A check valve downstream prevents reverse flow when pumps stop. We have seen customers in Indonesia skip this and damage gear sets during backflow.

Signal Outputs and Integration with Plant DCS

All Silver Instruments DN100 meters deliver industry standard signals. Oval gear meters output a pulse per unit volume, plus an optional 4-20 mA HART converter. Coriolis meters give 4-20 mA HART for mass flow and density, plus RS485 Modbus. A batch controller uses the pulse signal to fill tankers or IBC totes with preset weight. In a South African sunflower oil plant, our CMF-DN100 triggers a pneumatic valve and stops filling with ±1 kg repeatability. For solvent extraction lines, order ATEX Zone 1 or IECEx certification because hexane is present. Each meter comes with a factory calibration certificate matched to your oil viscosity and operating temperature.

Frequently Asked Questions

What flow meter type works best for viscous crude palm oil in a DN100 pipe?

An oval gear positive displacement meter with PTFE or PEEK gears works best. It reads accurately at viscosities up to 5000 cP and needs only a simple strainer. Coriolis meters also work, but their price is higher for the same accuracy on viscous streams.

Can I mount a DN100 cooking oil flow meter vertically?

Yes. Vertical upward flow is actually preferred for oils that may contain small amounts of water or air. It ensures the meter stays flooded and air escapes. We provide vertical installation drawings for both OGM and CMF meters.

Do I need a filter before the oval gear flow meter in a refining line?

Yes, a 200 micron Y strainer is mandatory. Even refined oils carry fine char or sludge. The strainer protects gear mesh and keeps accuracy stable. We ship the correct strainer size with every DN100 oval gear meter.

What output signals work best for cooking oil batch filling?

Pulse output from an oval gear meter is the simplest for volume based batching. For mass batching, a Coriolis meter with Modbus RTU sends mass flow and density to the PLC. Both methods achieve repeatability below 0.2%.

How do I get a quotation for a DN100 cooking oil flow meter from Silver Automation Instruments?

Send us your oil type, flow range (m³/h or kg/h), operating temperature and pressure, pipe flange standard, and required signal output. Visit flow-meter.com.au and use the inquiry form. We reply with a selection and price within one working day.

Need a specific price? Send us your pressure (bar), temperature (°C), pipe size (DN), and flow range. Our engineers match you with the correct DN100 meter model and provide a formal quote.