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Flocat Flow Meter Product Range: Volumetric Measurement Solutions for Water Plants
Quick Answer: Flocat volumetric flow meters for water plants cover pipe sizes from DN15 to DN1200 and measure raw water, backwash water, sludge, and chemical dosing lines. Silver Automation Instruments supplies these meters with 4-20 mA HART output, RS485 Modbus, and local display. Send your pipe size, flow range, pressure, temperature, and water conductivity to get a quote within 24 hours.
What the Flocat Range Covers
Flocat is a volumetric measurement series built for water plant duty. The range includes electromagnetic flow meters, ultrasonic flow meters, and oval gear flow meters. Each meter type fits a specific line. Electromagnetic meters handle raw water and finished water. Ultrasonic clamp-on meters handle large pipes where cutting the line is not practical. Oval gear meters handle polymer dosing and PAC dosing at low flow rates.
Most engineers choose electromagnetic models for permanent installation. They have no moving parts. They tolerate particles and sludge. Accuracy stays at 0.5 percent of reading. For temporary verification, clamp-on ultrasonic meters work well on existing steel or ductile iron pipes.
Water Plant Applications and Line Conditions
We see Flocat meters in many water plant processes. Inlet raw water from rivers or boreholes often carries silt. The electromagnetic flow meter with rubber liner and 316L electrodes works here. DN300 to DN800 sizes are common. Some plants in Southeast Asia measure raw water at 0 to 2000 m3/h.
Backwash lines for sand filters and activated carbon filters need fast response. The meter must handle reverse flow. Flocat electromagnetic models can read forward and reverse totals. Backwash flow rates change quickly. A 4-20 mA HART signal goes to the PLC and the SCADA system.
Sludge lines are abrasive. Flocat meters with polyurethane liner or PTFE liner last longer in sludge service. We have supplied DN150 sludge flow meters to a wastewater reuse plant in Vietnam. The customer reported stable readings after 14 months with no liner wear.
Chemical dosing lines use small oval gear meters. A water plant in the Philippines doses PAC at 30 to 150 L/h. DN15 oval gear meters with PTFE gears handle this range. They send pulse output to the dosing pump controller. A PT100 input option logs temperature. The liquid viscosity is about 800 cP.
Key Technical Parameters
The Flocat range supports DN15 to DN1200. Pressure ratings go up to PN16 or PN40 for some models. Temperature limits depend on liner type. Standard rubber liners work up to 80 °C. PTFE liners work up to 120 °C. Electronics run on 220 V AC or 24 V DC. Output options include 4-20 mA HART, pulse, and RS485 Modbus RTU. Flow range depends on pipe size and velocity. Most meters run from 0.1 m/s to 10 m/s. Some low flow models go down to 0.01 m/s.
Oval gear meters for dosing lines cover 1 to 1000 kg/h for fluids up to 1000 cP. PT100 input is available on most converters for temperature compensation. For hazardous areas, we can supply ATEX Zone 1 certified versions. Some water plants use this for ozone generation rooms or solvent storage areas. The meter body can be IP67 or IP68. IP68 versions suit buried chambers and flooded pits.
Conductivity matters for electromagnetic flow meters. The liquid must have a m
Installation Advice from Field Experience
Electromagnetic meters need a full pipe. Do not install them at the top of a pipe with air pockets. In practice, many water plants place the meter in a low point of the line. That keeps the pipe full and stable.
Straight run requirements are moderate. Flocat electromagnetic meters need 5D upstream and 3D downstream for standard accuracy. That is less than orifice plates and turbine meters. In a crowded pump room, this saves space.
Grounding is important. Use grounding rings or grounding electrodes when the pipe is lined or made of plastic. We have seen many startup delays on customer sites because the meter was not grounded. Most engineers skip this part. Then the reading drifts.
Why Water Plants Choose Flocat Meters
Price is fair for the specification. A DN200 electromagnetic flow meter with rubber liner, 316L electrodes, and local display costs less than most imported alternatives. Silver Instruments keeps stock in Asia for popular sizes. Delivery is 5 to 10 working days for DN50 to DN300. Large sizes above DN400 are made to order in 3 to 4 weeks.
Spare parts are simple. The sensor is robust. The converter can be replaced without cutting the pipe. This reduces shutdown time. One customer in Australia asked for a spare converter board for a DN250 meter. We shipped it by DHL in 3 days. The plant replaced it during a night shift.
Documentation is complete. Each meter comes with a calibration certificate, material test report, and wiring diagram. Your maintenance team gets the English manual and the wiring labels in English.
Technical Support and Selection
Tell us the fluid type, pipe size, flow range, pressure, temperature, and conductivity. We reply with a model code and a formal quotation. If you have a water hammer condition, add a pressure surge tank before the meter. If the line is partially full, use an open channel flow meter instead of a full pipe meter.
For urgent site issues, contact Silver Automation Instruments. Tel: +86-25-68650347. Whatsapp: +86-25-52155837. WeChat: +86 15365082610. For selection support, send an email with your process data. Our engineers answer within one working day.
FAQ
Which Flocat meter works for raw water with high silt?
Choose an electromagnetic flow meter with rubber liner and 316L electrodes. It handles silt and particles without clogging.
Can Flocat meters measure sludge in a water treatment plant?
Yes. Use a PTFE or polyurethane liner. Keep flow velocity above 1 m/s to reduce settling. Reverse flow measurement is available.
What is the minimum conductivity for electromagnetic models?
5 µS/cm. Below that, use an ultrasonic flow meter. Demin water and some rainwater may need this.
Do you supply ATEX certified Flocat meters?
Yes. ATEX Zone 1 versions are available for hazardous areas. Specify the gas group and zone when you order.
How fast can you deliver a DN200 Flocat meter to Southeast Asia?
Stock sizes DN50 to DN300 ship in 5 to 10 working days. Large sizes above DN400 need 3 to 4 weeks.
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