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Mechanical diaphragm metering pump
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Mechanical diaphragm metering pump

Metering Pump, Dosing Pump, Mechanical Diaphragm, Compact Design, Corrosion Resistant, PVC, PVDF, 316SS, PTFE Diaphragm, Precise Dosing, Chemical Dosing, Water Treatment, Easy Maintenance

Quick Specs
10.8 m³/h
Max Flow
- m
Max Head
-
kW Power
-°C
Max Temp
10 bar
Max Pressure
-
Warranty
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Product Dewspiption

The Meibao MGW Series Mechanical Diaphragm Metering Pump is a compact, precision-engineered dosing solution designed for accurate and reliable chemical injection in water treatment, chemical processing, and industrial applications. Featuring a housing made of precision aluminum die-casting technology with a plastic-sprayed surface, this pump is strong, durable, corrosion-resistant, and aesthetically pleasing. The MGW series offers easy installation, low maintenance costs, and high safety performance, making it an ideal choice for a wide range of chemical dosing applications.

Precision Aluminum Die-Cast Housingl

The housing is made of precision aluminum die-casting technology with a plastic-sprayed surface, providing excellent strength, durability, corrosion resistance, and a sleek appearance.

Easy Installation & Low Maintenance
Designed for easy installation with low maintenance costs and high safety performance, reducing operational downtime and costs.

Wide Flow & Pressure Range
Flow range from 6.5 to 180 L/h and pressure range from 4 to 10 bar, suitable for various chemical dosing applications.
Corrosion-Resistant Wetted Materials

Pump head available in PVC, PVDF, and 316SS materials with PTFE diaphragm and valve seat, ensuring excellent resistance to a wide range of chemicals.

Flexible Connection Options
Available with threaded interface (1/2″) or connected 9*15 hose, providing flexibility for different piping configurations.

Typical Applications

Water Treatment: Chemical dosing for pH adjustment, disinfection, and flocculation.
Chemical Processing: Precise injection of additives, catalysts, and reagents.
Petrochemical: Dosing of corrosion inhibitors and process chemicals.
Pharmaceutical: Accurate metering of active ingredients.


Max Flow
10.8
m³/h
Max Head
-
m
Power Range
-
kW
Certification
CE
ATEX Optional

Technical Specifications

Model Range

MGW6.5 to MGW180

Pump Type
Mechanical Diaphragm Metering Pump
Materials
PVC, PVDF, 316SS
Connection
Threaded / Flanged
Max Temperature
40°C
Max Pressure
10 bar
Voltage
220V / 380V, 3Φ
Warranty
-

Model Coding System

MGW6.5/
MGW = Series
6.5, 12, 24, 32, 40, 60, 80, 100, 120, 150, 180=Maximum Flow Rate (L/h)
    /= Pump Head Material

Material Options

PVC
PVC
General chemicals, max90°C
SUS316
SUS316
High purity, max -°C
PVDF
PVDF
High temp, max-°C

Detailed Parameter Table

Download PDF
What is the maximum viscosity the MB pump can handle?
+
The MB magnetic drive pump is optimized for low-to-medium viscosity liquids (up to ~200 cPs at operating temperature). For high-viscosity media above 200 cPs, please contact our engineering team — we may recommend a reduced speed operation or a gear pump alternative.
Can the MB pump handle HF acid?
+
Yes. The MB pump with PTFE or PVDF wet-end is fully compatible with hydrofluoric acid at concentrations up to 50% and temperatures up to 80°C. PTFE offers the best HF resistance. For semiconductor-grade HF applications, we recommend our dedicated HF Series with ultra-pure material specifications.
What is the pump's NPSH requirement?
+
NPSH requirements vary by model and operating point. Typically, the MB series requires 2-3m NPSHa. We recommend ensuring the available NPSH (NPSHa) from your installation is at least 1m higher than the pump's required NPSHr. Full NPSH curves are available in the product datasheet.
Do you offer ATEX / explosion-proof versions?
+
Yes. ATEX Zone 1 and Zone 2 certified models are available for environments where flammable gases or vapors may be present. Please specify the ATEX zone and gas group (IIA, IIB, or IIC) when requesting a quote.
Can I get spare parts for this pump?
+
Yes. We stock a comprehensive range of spare parts for the MB series including magnet assemblies, impellers, shaft sleeves, and containment shells. Parts can be shipped within 5-10 working days to most destinations. We recommend ordering a spare parts kit with your initial order for critical applications.
View All FAQ Ask a Question
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