KYB electric drive flowmeter series sliding vane pump is used to transport light oil products such as gasoline, diesel oil, kerosene, etc. The pump can not only be used for unloading oil in the oil depot, pumping the bottom oil, cleaning the warehouse, and refueling, but also can be used for motor fuel trucks and oil tankers.
The pump has its own overflow valve, and the liquid transfer is driven by a vaned rotor. The pump body is made of cast iron, and the sliding vane is made of RPP, which is durable. According to the environment and customer requirements, the power configuration can choose electric motor, diesel engine or gasoline engine. Install OGM flowmeter or LC flowmeter
Features
Strong self-priming ability, no need to pour liquid into the pump before working
Pulley cart design, explosion-proof, easy to operate, easy to maintain
The pump has a large flow and can work for a long time
Import and export quick connector links
Accurate flow meter measurement
Technical Specification | |||||||||
Model | Size(mm) | Flow(m³/h) | Head(m) | Power(KW) | Valtage(V) | Speed(rpm) | Material | Flowmeter Precision | |
KYB25-7-30 | 25 | 7 | 30 | 0.75 | 220/380 | 1450 | Cast Iron/Stainless Steel | ±1%R、±0.5%R | |
KYB40-20-30 | 40 | 20 | 30 | 2.2 | 220/380 | 1450 | Cast Iron/Stainless Steel | ±1%R、±0.5%R | |
KYB50-25-25 | 50 | 25 | 25 | 3 | 220/380 | 1450 | Cast Iron/Stainless Steel | ±1%R、±0.5%R | |
KYB65-35-20 | 65 | 35 | 20 | 4 | 380 | 1450 | Cast Iron/Stainless Steel | ±1%R、±0.5%R | |
KYB80-45-20 | 80 | 45 | 20 | 5.5 | 380 | 1450 | Cast Iron/Stainless Steel | ±1%R、±0.5%R | |
KYB Motor Driven flowmeter series: Complete Technical Guide
The KYB motor driven flowmeter Series represents a high-precision flow measurement solution for industrial applications. Designed for accurate and reliable measurement of liquids and gases, the series combines motor-driven technology, durable construction, and advanced sensing mechanisms to deliver consistent performance in challenging environments.
These flowmeters are widely used in chemical plants, water treatment facilities, fuel and oil distribution systems, and automated industrial processes. This guide covers detection standards, safety instructions, structural design, and a comprehensive user guide, ensuring operators, engineers, and procurement specialists have full technical knowledge of the KYB series.
Motor-Driven Technology: Provides precise and automated flow measurement, reducing human error.
High Accuracy: Capable of measuring variable flow rates with minimal deviation.
Durable Construction: Built from corrosion-resistant alloys and high-grade materials, ensuring long-term reliability.
Wide Industrial Applications: Suitable for liquids, gases, and multi-phase fluids in complex industrial systems.
Low Maintenance: Motor-driven operation reduces wear, and modular components simplify inspection.

The KYB series flowmeters comply with the following standards:
| Standard | Description | Purpose |
|---|---|---|
| ISO 9001 | Quality Management System | Ensures consistent manufacturing quality |
| IEC 60529 | Ingress Protection (IP) rating | Protects against dust and water ingress |
| ANSI/ISA 75.02 | Flow measurement accuracy | Guarantees high precision in industrial applications |
| ATEX / CE | Explosion-proof compliance (optional models) | Ensures safe operation in hazardous environments |
| API 610 | Industrial pump and flow measurement compatibility | Standardizes integration with industrial pumping systems |
Note: KYB flowmeters undergo rigorous factory calibration and testing to guarantee accurate and repeatable readings across varying flow conditions.
Installation Safety
Ensure the device is mounted on a stable and vibration-free surface.
Verify all electrical connections are compliant with local regulations.
Maintain proper grounding to avoid electrical hazards.
Operational Safety
Avoid exceeding the maximum rated flow or pressure.
Use the flowmeter within the specified temperature range.
Never operate the pump or motor without proper coupling to the flowmeter.
Maintenance Safety
Disconnect power and relieve system pressure before any inspection or maintenance.
Use personal protective equipment (PPE) when handling hazardous fluids.
Follow chemical compatibility guidelines for fluids measured.
Emergency Measures
Install emergency shutoff valves in case of flowmeter failure.
Train personnel in quick isolation procedures to prevent accidents.
Constructed from high-strength, corrosion-resistant metals or alloys.
Designed to withstand high pressure, temperature fluctuations, and corrosive fluids.
Provides precise rotational input for flow measurement.
Minimizes manual intervention and improves repeatability and accuracy.
High-precision sensors monitor flow rate, pressure, and fluid density.
Optional temperature compensation sensors maintain measurement accuracy under varying conditions.
Integrated digital or analog display for real-time flow readings.
Optional remote monitoring capability via industrial communication protocols (Modbus, Profibus, etc.).
High-grade mechanical seals ensure leak-proof operation.
Bearings are lubricated for life or periodically serviced depending on model specifications.
Select a straight section of the pipeline to minimize turbulence.
Install the flowmeter in line with the flow direction, respecting inlet and outlet orientation.
Connect electrical wiring according to the manufacturer’s diagram.
Check for tight connections and proper grounding before start-up.
Open all inlet and outlet valves gradually.
Energize the motor-driven mechanism.
Observe flow readings and system pressure to ensure operation within specified parameters.
Perform initial calibration checks to verify sensor accuracy.
Monitor display readings and compare against expected flow values.
Record daily operational data to identify trends or anomalies.
Check motor and mechanical components periodically for wear.
| Component | Cleaning Method | Frequency |
|---|---|---|
| Flowtube | Flush with compatible fluid | Monthly or after chemical changes |
| Sensors | Wipe with non-abrasive cloth | Every 3–6 months |
| Motor Housing | External wipe-down | Monthly |
| Bearings & Seals | Inspect, lubricate if necessary | Every 6 months |
Tip: Always follow fluid compatibility guidelines to prevent sensor damage or corrosion.
Perform periodic calibration according to industry standards.
Replace worn mechanical parts and seals to maintain high accuracy.
Optional automated calibration kits are available for large-scale industrial systems.
Scenario: A chemical plant required precise monitoring of multiple liquid streams.
Solution: KYB motor-driven flowmeters were installed at key pipeline sections.
Result: Achieved accurate real-time flow measurement, reduced waste, and improved process efficiency.
Scenario: Accurate measurement of chemical dosing for water purification.
Solution: KYB series flowmeters with remote monitoring capability were deployed.
Result: Optimized dosing, improved water quality, and enabled automated control.
Scenario: A large-scale LPG distribution system required precise flow measurement for inventory control.
Solution: KYB motor-driven flowmeters integrated into distribution pipelines.
Result: Reduced measurement errors, improved safety, and ensured compliance with regulatory standards.
| Task | Frequency | Action |
|---|---|---|
| Sensor Inspection | Monthly | Check accuracy, clean as needed |
| Motor Drive | 6 months | Lubricate moving parts, inspect couplings |
| Flowtube Cleaning | Monthly | Flush or wipe to remove buildup |
| Calibration | Every 6–12 months | Recalibrate to maintain precision |
| Seal and Bearing Check | Quarterly | Inspect and replace if wear detected |
Tip: Implement a preventive maintenance schedule to ensure high accuracy and extend equipment life.
Precision Measurement: High-accuracy sensors and motor-driven operation minimize error.
Durable Construction: Resistant to corrosion, pressure, and temperature variations.
Automated Operation: Reduces manual intervention, improving consistency and safety.
Low Maintenance: Modular design and quality components reduce downtime.
Versatile Applications: Suitable for liquids, gases, and multi-phase fluids.
Industry Compliance: Meets ISO, IEC, and ATEX/CE standards for industrial measurement systems.
The KYB Motor Driven Flowmeter Series is a high-precision industrial flowmeter designed for accurate and reliable measurement of liquids and gases. Featuring a motor-driven mechanism, it provides real-time monitoring, stable flow measurement, and minimal maintenance, making it ideal for chemical plants, water treatment facilities, fuel distribution systems, and industrial automation. Built from durable corrosion-resistant materials, the KYB series ensures long-term reliability and energy-efficient operation.
The KYB Motor Driven Flowmeter Series offers a robust, accurate, and reliable solution for industrial flow measurement. With proper installation, operation, and maintenance, these flowmeters provide long-term precision, operational safety, and minimal downtime.
This guide equips engineers, operators, and procurement specialists with detailed insights into detection standards, safety instructions, structural design, user operation, and maintenance, positioning the KYB series as a trusted choice for high-precision flow monitoring in industrial applications worldwide.
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