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Durant Flow Meter: Sourcing Industrial Electronic Production Counter Controls
Quick Answer: For a Durant flow meter counter control, choose a panel mount batch controller with pulse input, relay output, and 24 VDC supply. Silver Automation Instruments supplies compatible industrial electronic production counter controls and flow meters for water, chemical, fuel, and food batching. Send your pulse signal type and panel cutout size and we will match a unit within 24 hours.
Silver Automation Instruments is a flow meter manufacturer and batch controller supplier based in Nanjing, China. We ship to Southeast Asia, Australia, the Middle East, Latin America, and Africa. In practice, most plants keep the existing flow meter and only replace the old Durant counter. The upgrade usually takes less than half a day if the panel cutout and pulse input match.
Why Plants Replace Durant Flow Meter Counter Controls
Durant electromechanical counters often fail at the reset mechanism or the preset switch. We see this on diesel transfer skids in Vietnam, paint mixing lines in the Philippines, and chemical dosing units in Australia. The flow meter still sends a good pulse signal. The counter simply stops latching or cannot reset. But do not assume the old wiring is standard. Check the terminal labels before you order a replacement.
Here is the thing. Industrial electronic production counter controls are easier to source if you ignore the old part number for a moment. You need four data points. Pulse input type. Power supply. Panel cutout. Relay or transistor output. Once you have those four points, the replacement becomes a standard panel mount batch controller.
Pulse Signal and Wiring Details
Most flow meters tied to Durant counters produce a square wave pulse. The signal can be NPN, PNP, open collector, reed switch, dry contact, or 0 to 5 VDC. Silver Instruments batch controllers accept all of these. Some models also read 4-20 mA HART signals directly. That matters when the flow meter is an electromagnetic or Coriolis type without a pulse board.
A DN50 electromagnetic flow meter from Silver Instruments offers 4-20 mA, pulse, and RS485 Modbus RTU in one housing. The liner is PTFE and the electrodes are 316L stainless steel. Flow range is 0.1 to 10 meters per second. Process pressure can reach 40 bar. This meter works well for wastewater, desalination brine, and chemical batching.
Batch Controller Options
Two panel sizes cover most Durant replacements. A 72 x 72 mm controller fits older panels with limited depth. A 96 x 96 mm controller gives more display area and simpler pushbutton operation. Both accept 85 to 265 VAC or 24 VDC supply. The relay output can stop a pump, close a solenoid valve, or trigger an alarm at the end of a batch.
For a DN40 oval gear flow meter with a K factor of 10.2 pulses per liter, set the controller input to open collector NPN and the relay output to one shot. The controller will close a valve at the preset volume. This setup is common for small filling machines and lubricant blending.
Complete Flow Meter and Counter Packages
If you do not have a working flow meter, we can package the
For diesel and fuel oil transfer, Silver Instruments supplies oval gear flow meters from DN15 to DN80. Viscosity can reach 2000 cP depending on the model. A marine fuel oil truck in the Middle East uses a DN40 oval gear meter and a Silver Instruments batch controller. The relay output closes the loading valve at 2000 liters. Operators reset the batch with a button on the panel.
Sourcing Considerations for Regional Buyers
Buyers in Southeast Asia often need 24 VDC panel controllers because many plants do not have clean 220 VAC control power near the skid. Buyers in Australia and New Zealand ask for IP65 front panel protection and low EMC noise. Buyers in Latin America and the Middle East often need documents in English and Spanish or Arabic. Silver Instruments can provide English manuals, wiring drawings, and packing lists. We mark the outer box with voltage and model to avoid customs delays.
Lead time for standard batch controllers is 5 to 7 working days. A complete flow meter package may take 10 to 15 working days if the meter needs a special liner or pressure rating. We ship by DHL, FedEx, or sea freight depending on the order size.
FAQ
Can Silver Instruments supply direct Durant brand counters?
No. We supply compatible electronic production counter controls and flow meters. We do not sell Durant brand products. If you need a direct replacement, send a clear nameplate photo and we will check panel dimensions and signal type.
What pulse inputs do your batch controllers accept?
NPN, PNP, open collector, reed switch, dry contact, 0 to 5 VDC, and 24 VDC pulses. Some models accept 4-20 mA analog input. Tell us the sensor type before you order.
Do you build complete flow meter plus counter packages?
Yes. We package electromagnetic, oval gear, turbine, and Coriolis flow meters with batch controllers. Give us pipe size, fluid, pressure, temperature, flow range, and batch volume.
What is the typical lead time?
Standard panel mount controllers ship in 5 to 7 working days. Flow meter package lead times vary from 10 to 15 working days. Hazardous area versions and custom enclosures take longer.
What industries do you serve?
Water and wastewater, chemical processing, food and beverage, marine, oil and gas, and paint production. We serve customers in Southeast Asia, Australia, Oceania, Latin America, the Middle East, and Africa.
Contact and Quote Request
Send us your pipe size in DN, pressure in bar, temperature in °C, flow range, pulse signal type, and batch volume. We will propose a Durant compatible counter control with wiring notes and a price quote. Tel: +86-135-1213-1526. WhatsApp: 86-135-12131526. WeChat: +86 13512131526. You can also search for flow-meter.com.au to see our product ranges.
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