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CQB Stainless Steel Magnetic Drive Pump

The CQB stainless steel magnetic pump (magnetic pump for short) is usually composed of a motor, a magnetic coupling and a corrosion-resistant centrifugal pump.
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CQB磁力泵-微信图片_20210724111050
CQB磁力泵-微信图片_20210724111039

CQB Stainless Steel Magnetic Drive Pump--Product overview

The CQB magnetic drive pump is a new type of completely leak-free corrosion-resistant pump developed by the National Joint Design Group of magnetic pumps. Its technical and economic indicators are equivalent to those of similar foreign products in the late 1980s. It is a supplement and improvement to the CQ pump.
The flow part of the pump is made of all stainless steel, which has good corrosion resistance to organic acids, organic compounds, alkalis, neutral solutions and a variety of gases. Double spiral grooved carbon, graphite bearings and cemented carbide bushings are running in. , It has strong wear resistance and ensures the life of the product. It is an ideal pump for transporting corrosive media without leakage. The optimized product jointly designed by the national magnetic pump can directly replace the IH type chemical process pump.

 

 

CQB Stainless Steel Magnetic Drive Pump--Model significance

 

 

CQB Stainless Steel Magnetic Drive Pump--Installation and use

1. The CQB magnetic drive pump should be installed horizontally, not upright, and the plastic pump body must not bear the weight of the pipeline. For occasions with special requirements for vertical installation, the motor must face upwards. To
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2. When the suction liquid level is higher than the pump axis line, just open the suction pipe valve before starting. If the suction liquid level is lower than the pump axis line, the pipeline needs to be equipped with a bottom valve. To
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3. The CQB magnetic drive pump should be inspected before use. The motor fan blades should rotate flexibly, without jamming or abnormal noise, and all fasteners should be tightened. To
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4. Check whether the rotation direction of the motor is consistent with the steering mark of the magnetic pump. To
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5. After the motor is started, slowly open the discharge valve. After the pump enters the normal working state, adjust the discharge valve to the required opening. To
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6. Before the CQB magnetic drive pump stops working, the discharge valve should be closed first, and then the suction pipe valve should be closed.

 

CQB Stainless Steel Magnetic Drive Pump--Precautions

1. Since the cooling and lubrication of the magnetic pump bearing depends on the conveyed medium, idling rotation is absolutely forbidden, and at the same time, avoiding idling operation caused by restarting after a power failure in the middle of work. To
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2. If the conveyed medium contains solid particles, a filter should be added to the pump inlet: if it contains ferromagnetic particles, a magnetic filter should be added. To
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3. The ambient temperature of the CQB type magnetic drive pump should be less than 40℃, and the temperature rise of the motor should not exceed 75℃. To
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4. The conveyed medium and its temperature should be within the allowable range of the pump material (see attached table for details). The service temperature of engineering plastic pump is less than 60℃, the service temperature of metal pump is less than 100℃, the conveying suction pressure is not more than 0.2mpa, the maximum working pressure is 1.6mpa, the density is not more than 1600kg/m3, and the particle size is not more than 30 × 10-6m2/s The liquid without hard particles and fibers. To
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5. For the medium that is easy to precipitate and crystallize as the conveying liquid, it should be cleaned in time after use, and the liquid accumulated in the pump should be drained. To
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6. After the magnetic drive pump has been running for 100 hours, the wear of the bearing and the end face moving ring should be disassembled and inspected, and the wearing parts that are not suitable for reuse should be replaced. To
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7. The internal and external magnetic couplings of the CQB magnetic drive pump adopt high-performance permanent magnet materials, which may cause potential harm to the following devices. Please keep the following devices away from this series of pumps. Such as: cardiac pacemakers, credit cards and other magnetic cards, calculators, computer disks, watches, etc.

 

 

CQB Stainless Steel Magnetic Drive Pump--Structure diagram

1

Pump body 2 Impeller 3 Bearing body 4 Thrust ring  5 Isolation sleeve 6 Shaft sleeve  7 Shaft 
8 Bearing 9 Inner magnet assembly 10 Outer magnet assembly 11 Connection frame 12 Base 13 Motor

 

 

 

CQB Stainless Steel Magnetic Drive Pump--Product parameters

Model diameter(mm) Flow (m3/h) head (m) Power (kW) Voltage (V) Material
inlet outlet
CQB32-20-125 32 20 3.2 20 1.1 380

Stainless

steel

CQB32-20-160 32 20 3.2 32 1.5 380
CQB40-25-125 40 25 6.3 20 2.2 380
CQB40-25-160 40 25 6.3 32 3 380
CQB40-25-200 40 25 6.3 50 5.5 380
CQB50-32-125 50 32 12.5 20 3 380
CQB50-32-160 50 32 12.5 32 4 380
CQB50-32-200 50 32 12.5 50 7.5 380
CQB50-32-250 50 32 12.5 80 18.5 380
CQB65-50-125 65 50 25 20 4 380
CQB65-50-160 65 50 25 32 7.5 380
CQB65-40-200 65 40 25 50 15 380
CQB65-40-250 65 40 25 80 18.5 380
CQB80-65-125 80 65 50 20 7.5 380
CQB80-65-160 80 65 50 32 15 380
CQB80-50-200 80 50 50 50 18.5 380
CQB80-50-250 80 50 50 80 37 380
CQB100-80-125 100 80 100 20 15 380
CQB100-80-160 100 80 100 32 18.5 380
CQB100-65-200 100 65 100 50 37 380
CQB100-65-250 100 65 100 80 55 380
Note: Each model can be equipped with explosion-proof motors