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| GM Series Mechanical Diaphragm Metering Pump | GB Series Mechanical Diaphragm Metering Pump |
Variable eccentric structure adjustment to ensure smooth change of flow pulsation.
Enhanced structural design, suitable for harsh operating environment.
Wear-resistant ball bearings make the work more stable.
Oil bath lubrication, long working life of driving parts.
The flow rate can be adjusted under the condition of stopping or running, and the adjustment mode can be dynamic, electric or frequency conversion.
Mechanical drive diaphragm, there is no diaphragm guard plate on the material side, which is convenient for the material to pass through.
PVC, PVDF, 316SS, high viscosity, slurry and other pump head materials, suitable for conveying all kinds of materials.
Self-cleaning one-way valve structure, easy to maintain.
The electric stroke controller receives the external control signal and adjusts the stroke length.
Power supply: 220V Mel 50Hz-single phase.
Input signal: 4-20mA analog signal.
Output signal: 4-20mA/1-5V analog signal for recording, display and control system.
Frequency conversion controller: accept external control signals and adjust stroke speed.
Power supply: 220Vmur50Hz-single-phase / 380V-50Hz-three-phase.
Input signal: 4-20mA analog signal.
Motor controller: control the three-phase motor in "on / stop" mode and adjust the output flow.
Power supply: 200-240V/50Hz/60Hz/ single phase.
Control mode: can accept 4-20mA analog signal, external pulse signal or manual.
Technical Data
Max.flow: 1800L / H
Max.discharge pressure: 12bar
Adjustment ratio: 10: 1
Steady state accuracy: ± 2%
Suction lifting height: up to 3m water column
Max.ambient temperature: +40 °C
Max.inlet pressure: 2bar
Features and Advantages
Variable double eccentric adjustment.
The change of flow pulsation is smooth.
Suitable for harsh operating environment.
Accurate and Stable Dosing Control
Our metering pumps offer high-precision flow adjustment with an accuracy of up to ±1%, ensuring every drop is precisely dosed. Ideal for applications such as RO systems, water treatment, chemical dosing, and pharmaceuticals.
Corrosion-Resistant and Compatible with Various Fluids
Wetted parts are available in PVDF, PTFE, 316L stainless steel, and more. Suitable for corrosive media such as acids, alkalis, sodium hypochlorite, and chemical solutions, ensuring long service life and low maintenance.
Compact Design and Easy Installation
Space-saving structure allows for flexible installation. Standard pipe fittings make it easy to integrate into existing systems quickly.
Comprehensive Technical Support and After-Sales Service
We offer professional selection guidance, remote commissioning support, on-site installation advice, and reliable after-sales service with sufficient spare parts in stock for long-term reliability.
Excellent Cost-Performance Ratio, Comparable to Top Brands
Our products match the performance of international brands at a more competitive price. A smart alternative for value-driven customers.
20+ Global Certifications: CE, IECEx, SIL 2/3, API 670, and ISO 9001 compliance.
48-Hour Emergency Support: Worldwide technical response network.
About F&V GROUP
F&V GROUP is a global industrial measurement company committed to delivering innovative, energy-efficient solutions for temperature, pressure, flow, and level applications. Established in 2021, the group unites strong international expertise with localized manufacturing and service capabilities.
Our journey began in 2011 with the founding of FVLUOKY in Wales, UK—a brand built on precision engineering and technological excellence. Over the years, FVLUOKY became a trusted name in industrial measurement across international markets.
To better serve the Asia-Pacific region, Fuyi Intelligent Instrument (Shanghai) Co., Ltd. was established in 2019, introducing FVLUOKY’s product lines to China with localized assembly, testing, and innovation. Fuyi products are fully certified (ISO, CE, TS, CPA) and tailored to regional industry needs.
With the formation of F&V GROUP in 2021, our brands were strategically integrated to accelerate global growth. By 2024, F&V had become a leading force in China and began expanding its footprint to international markets—bringing high-performance, sustainable measurement solutions to customers worldwide.
At F&V, we combine global innovation with local insight—driven by a commitment to quality, sustainability, and customer success.
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