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Drum Pump with Flow Meter: Sourcing Portable Barrel Liquid Delivery Skids
Quick Answer: Silver Automation Instruments supplies flow meters for drum pump skids and portable barrel liquid delivery systems. You can choose an oval gear flow meter for oils and chemicals or an electromagnetic flow meter for water based liquids. Standard sizes are DN15 to DN25 with 4-20 mA HART or pulse output for batch totalizing and PLC integration.
What a Drum Pump Skid Includes and Why the Flow Meter Matters
A drum pump skid normally has a pump tube, motor, hose, nozzle, and a small frame. Many systems also need a flow meter for batch delivery and usage records. Without a meter the operator depends on visual marks or weighing. That method may be fine for low volumes. For repeat batches or remote sites the method creates errors. We often see the same issue on customer sites in Malaysia and Chile where operators handle 50 litre to 200 litre drums.
Flow Meter Options for Barrel Delivery
For oils, diesel, solvents, and resins we recommend the oval gear flow meter. It handles 1 cP to 900 cP viscosity. A DN15 version covers 0.5 to 30 litres per minute. A DN20 version covers 2 to 60 litres per minute. For water, caustic, or conductive liquids we recommend an electromagnetic flow meter. It has no moving parts. It needs minimum conductivity of 5 µS/cm. If the liquid is not conductive we suggest an oval gear meter or a small ultrasonic flow meter depending on pipe material.
Hazardous area sites can use an ATEX Zone 1 approved meter. We supply pulse, 4-20 mA, and HART versions. The pulse output is common for batch control because it gives quick totalizer counts. 4-20 mA HART is common when a remote terminal or PLC records flow rate and total flow. Some portable skids add a PT100 temperature sensor. We can supply the flow meter with an integrated PT100 in the same block. That reduces leak points.
Key Sizing Data You Need Before a Quote
Send us the liquid name, viscosity, flow range, pressure, temperature, pipe size, and power available. For a barrel pump the typical pressure is 2 to 8 bar. The flow range may be 5 to 40 litres per minute. Pipe size is usually DN15, DN20, or DN25. For oils state the viscosity in cP. We use this data to check whether an oval gear meter or electromagnetic meter fits. Most engineers skip the temperature part. If the liquid is heated to 80 °C or 120 °C the meter body material and seals change.
For batch delivery we also ask for the required batch volume. Examples are 20 litres, 50 litres, and 200 litres. Totalizer accuracy depends on the meter type and the valve closing time. A fast acting valve reduces overrun.
Portable Skid Integratio
n and Batch Accuracy

Portable skids need a flow meter that can handle vibration and occasional drops. We suggest a compact inline meter with NPT or tri-clamp ends. A small local display helps the operator see batch volume without a laptop. The display can show total litres, flow rate, and temperature if a PT100 is installed.
We have supplied meters for a paint manufacturer in Vietnam that fills 20 litre pails from 200 litre drums. They use a DN15 oval gear meter with pulse output. The batch controller closes a solenoid valve at the set point. The overrun is less than 100 millilitres on a 20 litre pail. In practice that batch accuracy is enough for paint and solvent batches. For water based products a similar setup uses a DN20 electromagnetic flow meter.
Regional Support and Lead Times
Silver Automation Instruments ships to Southeast Asia, Australia, Latin America, the Middle East, and Africa. Most DN15 and DN20 flow meters are in stock. Lead time is 3 to 7 working days for standard versions. ATEX versions may need 5 to 10 working days. We supply from our factory and provide a 12 month warranty.
You can reach us by phone at +86-25-68650347. WhatsApp is +86-25-52155837. WeChat is +86 15365082610. For a quotation, send us the liquid name, viscosity in cP, pressure in bar, temperature in °C, pipe size in DN, and flow range in litres per minute. We will return a model number, accuracy statement, and price within 24 hours. You can also review product specifications on flow-meter.com.au.
FAQ
Which flow meter is best for diesel drum pumps?
An oval gear flow meter in DN15 or DN20 works best for diesel. It handles the viscosity and gives a pulse output for local batch control. The meter body is typically aluminium or stainless steel.
Can I use an electromagnetic flow meter for barrel transfer of chemicals?
Yes, but only if the chemical is conductive above 5 µS/cm. Many solvents and oils are not conductive. Use an oval gear flow meter for those liquids.
What output signal should I choose for a portable skid?
Pulse output is common for a local batch controller. 4-20 mA HART is common for PLC or remote monitoring. If you need both, choose a meter with pulse and 4-20 mA output.
Do you supply ATEX Zone 1 meters for barrel delivery?
Yes. ATEX Zone 1 versions are available for oval gear and electromagnetic meters. Specify the gas group and zone when you request a quotation.
What details do you need for a flow meter quote?
Send the liquid name, viscosity, flow range, pressure, temperature, pipe size, connection type, output signal, and power supply. You can send these details by phone or WhatsApp.

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