Reference image. Final construction follows the confirmed model and quotation.
Magnetic Pumps
CQ Series Corrosion-Resistant Magnetic Drive Pump
Model: CQ
CQ Series Corrosion-Resistant Magnetic Drive Pump is designed for chemical transfer and applications requiring improved liquid containment. DFIN Pump provides model verification, material selection and technical support based on the actual duty point.
TECHNICAL DATA
Specifications, performance and construction
Confirm the final operating point, materials, motor and connection standard before ordering.
Product Overview
CQ Series Corrosion-Resistant Magnetic Drive Pump is an industrial magnetic pump selected for chemical transfer and applications requiring improved liquid containment. The final configuration should be verified against the actual liquid, duty point, temperature, installation and power supply.
Typical Applications
Chemical transfer and applications requiring improved liquid containment.
Design Features
- Sealless magnetic coupling
- Corrosion-resistant material options
- Compact and low-maintenance construction
- Model and material selection supported by DFIN Pump engineers
Technical Performance Data
| 1 | pump casing | 2 | static ring | 3 | moving ring | 4 | impeller | 5 | sealing ring | 6 | Partition | 7 | Isolation sleeve |
| 8 | External magnet assembly | 9 | Internal magnet assembly | 10 | pump shaft | 11 | Bushing | 12 | Connecting frame | 13 | Motor | 14 |
| Model | a | b | c | d | e | f | g | h | j | a | k | m | n | Machine base screw hole | p | p1 | q | q1 | φ | φ | pipe connection |
| 08CQ-2 | 63 | 48 | 45 | 55 | 38 | 200 | 105 | 45 | 15 | 84 | 80 | 24 | 16 | φ6 | - | - | - | - | - | - | |
| 10CQ-3 | 63 | 48 | 45 | 55 | 38 | 200 | 105 | 45 | 15 | 84 | 80 | 24 | 16 | φ6 | - | - | - | - | - | - | |
| 14CQ-5 | 90 | 71 | 95 | 107 | 53 | 270 | 120 | 56 | 16 | 130 | 130 | 37 | 18 | φ7 | - | - | - | - | - | - | |
| 16CQ-8 | 90 | 70 | 80 | 125 | 55 | 320 | 160 | 65 | 18 | 115 | 140 | 40 | 22 | φ11 | - | - | - | - | - | - | |
| 20CQ-12 | 100 | 80 | 105 | 130 | 59.5 | 340 | 160 | 73 | 18 | 130 | 160 | 65 | 26 | φ12 | - | - | - | - | - | - | |
| 25CQ-15 | 125 | 100 | 140 | 189.5 | 67.5 | 460 | 205 | 90 | - | 160 | 240 | 71.5 | - | φ12 | 75 | 65 | 100 | 90 | 120 | 10 | Flange connection |
| 32CQ-15 | 125 | 100 | 140 | 189.5 | 67.5 | 460 | 205 | 90 | - | 160 | 240 | 71.5 | - | φ12 | 90 | 75 | 120 | 100 | 12 | 10 | |
| 32CQ-25 | 125 | 100 | 140 | 189.5 | 67.5 | 460 | 230 | 90 | - | 160 | 260 | 85 | - | φ12 | 90 | 75 | 120 | 100 | 12 | 10 | |
| 40CQ-20 | 140 | 120 | 155 | 235 | 75 | 545 | 220 | 100 | - | 180 | 290 | 78.5 | - | φ12 | 100 | 90 | 130 | 120 | 14 | 14 | |
| 40CQ-32 | 190 | 140 | 190 | 271 | 80 | 620 | 260 | 112 | - | 245 | 336 | 91 | - | φ12 | 100 | 90 | 130 | 120 | 14 | 14 | |
| 50CQ-25 | 190 | 140 | 190 | 271 | 80 | 620 | 260 | 112 | - | 245 | 336 | 91 | - | φ12 | 110 | 100 | 140 | 130 | 14 | 14 | |
| 50CQ-40 | 190 | 140 | 190 | 271 | 80 | 620 | 260 | 112 | - | 245 | 336 | 91 | - | φ12 | 110 | 100 | 140 | 130 | 14 | 14 | |
| 65CQ-25 | 216 | 140 | 200 | 305 | 90 | 695 | 300 | 132 | - | 280 | 350 | 91 | - | φ12 | 130 | 110 | 160 | 140 | 14 | 14 | |
| 65CQ-35 | 216 | 140 | 200 | 360 | 76 | 720 | 292 | 120 | - | 280 | 350 | 90 | - | φ12 | 130 | 110 | 160 | 140 | 14 | 14 | |
| 80CQ-35 | 254 | 210 | - | - | - | 890 | 160 | - | - | - | - | - | φ12 | - | - | - | - | 14 | 14 | ||
| 80CQ-50 | 254 | 210 | - | - | - | 890 | 160 | - | - | - | - | - | φ12 | - | - | - | - | 14 | 14 |
| Form of failure | Causes | Troubleshooting |
| The pump does not produce water | 1. Water pump reverse | Change Motor wiring |
| 2. Air leakage in water inlet pipe | Prevent air leakage | |
| 3. There is too little water in the pump chamber. | Increase water storage capacity | |
| 4. The Voltage is too high and the coupling slips when starting. | Adjust Voltage | |
| 5. Suction Lift is too high | Lower the sand installation position | |
| Insufficient Flow | 1. The suction pipe diameter is too small | ·Replace the water inlet pipe |
| 2. Blockage of impeller flow path | Cleaning the impeller | |
| 3. Head is too high | Open the water outlet valve | |
| 4. Speed is too low | Restore rated Speed | |
| Head too low | 1. Flow is too large | Close the water outlet valve |
| 2. Speed is too low | Restore rated Speed | |
| Too noisy | 1. The shaft is severely worn | Replace pump shaft |
| 2. The shaft sleeve is severely worn | Replace shaft sleeve | |
| 3. The driving magnetic steel cup is in contact with the isolation sleeve | Disassemble the pump head and reassemble it | |
| Leakage | The o-ring is damaged | Replace o-ring |
| model | Port Size（mm) | Flow （m3/h） | Head （m) | NPSHr （npsh）r(m) | Motor Power （kw） |
Speed （r/min) |
Power Voltage (v) | |
| Inlet | Outlet | |||||||
| 14CQ-5 | 14 | 10 | 1.2 | 5 | 6.0 | 0.12 | 2900 | 220/380 |
| 16CQ-8 | 16 | 12 | 1.8 | 8 | 6.0 | 0.18 | 220/380 | |
| 20CQ-12 | 20 | 12 | 3 | 12 | 6.0 | 0.37 | 380 | |
| 25CQ-15 | 25 | 20 | 5.4 | 15 | 6.0 | 1.10 | 380 | |
| 32CQ-15 | 32 | 25 | 6.6 | 15 | 6.0 | 1.10 | 380 | |
| 32CQ-25 | 32 | 25 | 4.8 | 25 | 5.5 | 1.10 | 380 | |
| 40CQ-20 | 40 | 32 | 10.8 | 20 | 4.0 | 2.2 | 380 | |
| 40CQ-32 | 40 | 32 | 11.5 | 32 | 4.0 | 4 | 380 | |
| 50CQ-25 | 50 | 40 | 14.4 | 25 | 4.0 | 4 | 380 | |
| 50CQ-40 | 50 | 40 | 13.2 | 40 | 4.0 | 4 | 380 | |
| 50CQ-50 | 50 | 32 | 7.8 | 50 | 4.0 | 5.5 | 380 | |
| 65CQ-25 | 65 | 50 | 16.8 | 25 | 4.0 | 5.5 | 380 | |
| 65CQ-32 | 65 | 50 | 27 | 32 | 4.0 | 7.5 | 380 | |
Selection Information Required
Please provide medium, concentration, flow, total head or pressure, temperature, viscosity or solids, voltage, frequency and installation method. DFIN Pump will confirm the suitable model and materials.
Catalog reference: authorized YZJ product data · Model CQ
SELECTION SUPPORT
Application-based pump selection
Send the liquid, flow, head or pressure, temperature, solids, installation, power supply and destination for a verified recommendation.
Discuss this application