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Jiangsu Syeelai Environmental Technology Co., Ltd.

GD Series High-Precision Mechanical Diaphragm Dosing Pump

Product Overview
The GD Series stands out as a versatile and efficient solution for precision fluid management. Designed with a focus on structural integrity and cost-efficiency, the GD Series utilizes a sophisticated mechanical diaphragm interface to isolate the drive from the process fluid. It is the ideal choice for users seeking a compact, high-performance metering pump that balances long-term durability with ease of installation.

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  • GD Series High-Precision Mechanical Diaphragm Dosing Pump

Product Features

1. Flow range: Qmax = 2000L/h;

2. Pressure range: Pmax = 1.0MPa;

3. Standard configuration: Materials include PVC, PVDF/PTFE, 304/316L; power supply 380V/50Hz;

4. Optional configuration: Single-phase motor; pump head material and inlet/outlet connection can be customized.

Technical Strengths
Enhanced Diaphragm Longevity: Utilizing premium reinforced PTFE membranes, the GD series provides a robust barrier against chemical attack, ensuring stable performance even in continuous-duty cycles.
Cost-Effective High Accuracy: Featuring a specialized check valve assembly, this pump delivers tight volumetric tolerances. The design prioritizes high sealing integrity and low replacement costs without sacrificing metering accuracy.
Reliable Vertical Architecture: By mounting the motor atop the gearbox, the GD series prevents internal oil migration and protects the drive unit. The self-contained oil lubrication system ensures the transmission remains smooth and dependable.
Versatile Fluid Handling: Whether you are pumping mild acids or aggressive alkalis, the GD series offers multiple wet-end options including PVDF, PTFE, and Stainless Steel (316L) to match your specific viscosity and pH requirements.
User-Friendly Installation: Its compact footprint and simplified mounting structure allow for rapid integration into existing chemical dosing skids or water treatment plants.





Model Flow Rate (L/h) Pressure (MPa) Caliber (mm) Pump Speed (spm) Power (kW) Diaphragm (mm) Weight (kg)
GD-850/0.8 850 0.8 DN25 140 1.1 150 98
GD-1000/0.6 1000 0.6 DN25 140 1.1 160 98
GD-1500/0.6 1200 0.6 DN40 140 1.5 180 98
GD-2000/0.4 2000 0.4 DN40 140 1.5 220 98
GD-2500/0.3 2500 0.3 DN40 140 1.5 220 98
GD-3000/0.3 3000 0.3 DN40 140 1.5 240 98
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About Us
Powering Global Industry with Precision Fluid Technology
SYEELAI specializes in corrosion-resistant fluid transfer solutions, professionally manufacturing a series of acid and alkali resistant pumps including liquid mixers, metering pumps, magnetic drive pumps, and vertical pumps. The company also undertakes custom fabrication of non-standard chemical filtration systems and provides professional design, installation, and commissioning services for chemical dosing equipment.
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