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| GD Series Mechanical Diaphragm Metering Pump |
It adopts reliable double cam structure, which is suitable for a variety of harsh working conditions, low noise, simple disassembly and convenient maintenance.
Oil bath lubrication, long working life of driving parts.
High-precision worm gear, worm technology, smooth operation.
Flow regulation can be realized either in downtime or in running state.
The mechanically driven diaphragm adopts a multi-layer composite structure of PTFE and elastic rubber, which is leak-free and durable.
There is no diaphragm guard plate on the material side to facilitate the passage of the material.
PVC, PVDF, 316SS and other pump head materials are optional, suitable for conveying all kinds of materials.
Self-cleaning one-way valve structure for easy maintenance.
Power supply: 220V/50Hz single-phase motor, 380V/50Hz three-phase motor.
The motor is controlled by "on / stop" mode, and the flow output is adjusted by the regulating handle.
Frequency conversion controller, accept external control signal, adjust stroke speed, power supply 220V-50Hz single-phase / 380V-50Hz three-phase
input signal: 4-20mA analog signal.
Technical Data
Max.flow: 130L / H
Max.discharge pressure: 10bar
Steady-state accuracy: ± 2%
Suction lifting heigh: up to 2m water column
Maximum ambient temperature: +40 °C
Inlet pressure: 2bar
Features and Advantages
Compound diaphragm, durable.
Suitable for harsh environment with low noise.
Reliable performance, smooth operation and low maintenance cost.
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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