Mechanical-Driven Diaphragm Metering PumpHJ-W Series
HJ-W Series
Worm Gear Drive, High-Flow Precision Metering
Key Specifications
Max Flow RateUp to 1,500 L/h
Max Back PressureUp to 10 bar
Stroke Adjustment10–100% (online)
Drive TypeWorm gear reduction motor
Protection RatingIP55
Product Overview
The HJ-W Series uses a worm gear reduction drive to deliver excellent torque output and low-noise operation. It is designed for high-flow, continuous-duty industrial metering applications, with online-adjustable stroke length to accommodate varying process requirements.
Product Features
Worm gear reduction drive — low noise, high torque
Online-adjustable stroke length from 10% to 100%
High-flow capacity up to 1,500 L/h
Compatible with variable-frequency drive (VFD) for flow modulation
Ingress protection rating IP55
Technical Data
| Model | Max Flow (L/h) | Max Pressure (bar) | Motor Power (kW) |
|---|---|---|---|
| HJ-W-100/10 | 100 | 10 | 0.37 |
| HJ-W-250/10 | 250 | 10 | 0.55 |
| HJ-W-500/7 | 500 | 7 | 0.75 |
| HJ-W-1000/5 | 1000 | 5 | 1.1 |
| HJ-W-1500/3 | 1500 | 3 | 1.5 |
* Specifications listed are for standard models. Contact us for custom configurations.
Typical Applications
Large-scale water treatment plantsChemical production linesPulp and paper industryMining tailings treatment
Installation & Application Gallery
Factory assembly workshop — mechanical metering pumps undergoing pre-shipment inspection
Outdoor chemical plant — mechanical pump piping system installation
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Share your process parameters (flow rate, back pressure, media) and we will provide an accurate quotation.
Get a Quote Download DatasheetMaterial Options
Liquid End Materials
PVCPPPVDFSS316Cast Iron
Diaphragm Materials
PTFEEPDMNBR