The DJW Series is a mechanically driven diaphragm metering pump designed for safe, leak-free chemical dosing. It is capable of handling high-viscosity media, corrosive liquids, and hazardous chemicals, making it ideal for demanding industrial environments.
Widely used in petroleum, chemical, oil refining, power generation, food processing, environmental protection, mining, water treatment, textile, plastic foaming, papermaking, pharmaceutical, defense, and scientific research institutions.
| Model | Flow Rate (L/h) | Pressure (MPa) | Port Size (mm) | Stroke Speed (spm) | Power (W) | Diaphragm (mm) | Weight (KG) |
|---|---|---|---|---|---|---|---|
| DJW-6/1.0 | 6 | 1.0 | φ10×16 PVC Corrugated Tube | 30 | 25 | 65 | 4.2 |
| DJW-12/1.0 | 12 | 1.0 | 50 | ||||
| DJW-25/0.7 | 25 | 0.7 | 83 | ||||
| DJW-32/0.7 | 32 | 0.7 | 100 | ||||
| DJW-42/0.5 | 42 | 0.5 | 150 | ||||
| DJW-50/0.5 | 50 | 0.5 | 180 | ||||
| DJW-60/0.4 | 60 | 0.4 | 200 | 40 |
| Flow Rate | 6–60 L/h |
| Max Pressure | 1.0 MPa |
| Power | 25–40 W |
| Stroke Speed | 30–200 spm |
| Diaphragm Size | 65 mm |
| Weight | 4.2 KG |
| Port Connection | φ10×16 PVC Corrugated Tube |
| Wetted Materials | PVC / PVDF / PTFE / 304 / 316 SS |
Mechanically driven diaphragm ensures safe and reliable operation.
Excellent sealing performance with easy assembly and maintenance.
Capable of transferring high-viscosity, corrosive, and hazardous chemical fluids.
Flow adjustable via stroke length or motor frequency for precise dosing control.
5-layer structure: Teflon acid-resistant film, EPDM rubber, SUS304 core, reinforced nylon fiber, and EPDM outer coating for extended service life.
Wetted parts available in PVC, PVDF, PTFE, 304/316 SS, with custom materials for special requirements.
The DJW Series Mechanical Diaphragm Metering Pump is designed for precise dosing of chemicals in various industries such as water treatment, waste water management, oil and gas, and chemical processing. It ensures accurate and reliable delivery of fluids, even in challenging and corrosive environments, thanks to its robust construction and adjustable flow rate capabilities.
The DJW Series Mechanical Diaphragm Metering Pump features a precise metering mechanism that controls the flow rate by adjusting the stroke length of the diaphragm. This design allows for fine-tuning of dosing volumes to match specific process requirements, which is crucial for maintaining the efficiency and safety of industrial applications. Additionally, the pump's repeatability and accuracy are enhanced by its stable mechanical operation and resistance to fluid viscosity and temperature changes.
The DJW Series Mechanical Diaphragm Metering Pump is constructed using high-quality materials such as 316 stainless steel, PTFE, and PVDF. These materials provide excellent resistance to corrosion and wear, ensuring long-lasting performance in applications involving aggressive chemicals or harsh operating conditions. The choice of materials can be customized based on the specific fluid being dosed and the environmental requirements of the installation.
Yes, the DJW Series Mechanical Diaphragm Metering Pump is capable of handling viscous and abrasive liquids. The pump's design incorporates a self-lubricating diaphragm and flow passages that minimize friction and wear, making it suitable for applications where the fluid properties are challenging. It is also designed to maintain consistent performance across a wide range of viscosities, ensuring reliable dosing without frequent adjustments or maintenance.
The DJW Series Mechanical Diaphragm Metering Pump includes several safety features to protect both the equipment and personnel. It features a fail-safe mechanism that automatically stops the pump in case of excessive back pressure, preventing damage to the pump and the system. Additionally, it has an adjustable suction lift capability, which helps prevent cavitation and ensures smooth operation. The pump is also designed with easy access to critical components for routine maintenance and inspection, and it can be equipped with leak detection systems to monitor for any potential fluid leaks.
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