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Magnetic Drive Coupling Pump

Zhejiang yonjou Technology Co., Ltd.

Model
Nature of the Manufacturer
Other
Product Category
Metering Pump
Place of Origin
,
YQMPS magnetic coupling pump is rated to HG/T 2730 standard design.The impeller and driven magnetic coupling are encased in a watertight canister within the pump body. This feature makes a seal unnecessary.

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Summary:

YQMPS magnetic coupling pump is rated to HG/T 2730 standard design.The impeller and driven magnetic coupling are encased in a watertight canister within the pump body. This feature makes a seal unnecessary. Any possibility of leakage of the pumped liquid is removed other than through damage to the pump body. Pumps are available in strong engineered plastic, rigid ceramic and stainless steel suitable for most corrosive liquids. Most liquids can be pumped by these materials without significant contamination of the product. The coupling drive and driven components are made of neodymium NdFeb super strong magnets arranged in a circular pattern and encased in stainless steel. This assures that there is no slippage of the drive even when pumping liquids with a high specific gravity.

The YQMPS type pump is a YONJOU standard pump for all the applications listed. And it can be customized with a heating cavity (heating jacket) on the pump volute for pumping liquids that cannot be pumped in the cold state or that would cool down to below the solidification point when the pump is stopped.

Magnetic pump working principle

In total, magnetic drives are available in synchronous or asynchronous designs. Magnetic pumps are basically of synchronous design. The motor is connected with the outer magnetic steel through the outer coupling, and the impeller is connected with the inner magnetic steel. There is a fully sealed isolation sleeve between the outer magnet and the inner magnet, which completely separates the inner and outer magnets, so that the inner magnet is in the medium, and the rotating shaft of the motor directly drives the impeller to synchronize through the suction of the magnetic poles between the magnets. turn. Asynchronous design magnetic transmission, also known as torque ring magnetic transmission. The inner magnet is replaced by a squirrel-cage torque ring, which rotates at a slightly lower speed under the attraction of the outer magnet. Since there is no inner magnet, its operating temperature is higher than that of the synchronous drive magnetic transmission.

Model specification

Application:

Series YQMPS magnetic coupling pump is a trouble-free product, the impeller is driven by a magnetic coupling. This allows isolation of the pumped liquid. No seal is required. This makes it ideal in situations where no leakage is permissible, with performance equivalent to a standard centrifugal pump. Series YQMPS magnetic coupling pump can be used where the requirement is pumping of clean or even corrosive liquids.

• Chemical and petrochemical industries

• Pharmaceutical industry

• Paint industry

• Plastic and rubber industries

• Ferrous and non-ferrous metal industries

• Paper and cellulose industries

• Textile industry

• Food and drink industries

Advantages:

• Extremely low risk of leakage for fluid or vapor emissions

• Magnetic drive is stable

Little maintenance needed
• Long service life (go 10 years)
• Alignment of pump and motor is needless

Limitation:

• Only permit clean liquids free of solids

• Require higher power absorption than conventional pump

• More expensive (will payback from low maintenance)

Product details:

Capacity:

4 ~ 400 m3/h

Head:

20 ~ 125 m

Speed at 50 Hz:

1450 ~2900 RPM

Speed at 60 Hz

1750 ~ 3500 RPM

Inlet diameter:

50 ~ 200 mm

Outlet diameter:

32 ~ 150 mm

Power of fitted motor:

1.1 ~ 132 kW

The highest work pressure:

1.6 Mpa

Working Principle:

Magnetic drive Centrifugal Chemical Pump

Material:

SS304, SS316, SS316L

Max Temperature:

300 Degree

Warranty:

1 Year without Spare Parts

Lead time:

7~30 Days

Package:

International Standard Plywood Case

Payment:

T/T, LC, VISA

Cautious for enable the magnetic

The magnetic pump should be a horizontal device and should not be erected. The plastic pump body should not bear the weight of the pipeline. For vertical devices with special requirements, the motor must be upward.

Before the pump stops working, the cleaning valve should be closed first, and then the suction pipe door should be closed.

The water pump should be checked before use, the motor blades should be sensitive to rotate, there should be no blockage and abnormal sound, and the fasteners should be tightened.

After the motor starts, slowly open the discharge valve. After the pump is in normal operation, adjust the discharge valve to the desired opening.

When the suction liquid level is higher than the pump shaft, open the suction pipeline valve before starting. If the suction liquid level is lower than the pump shaft, the pipeline should be equipped with a bottom valve.

The high temperature magnetic pump is mainly composed of pump casing, impeller, magnetic coupling, blocking sleeve, outer magnetic cylinder, bracket, motor, base and other components.

Pump casing: Also known as pump cavity, it is the main body of the water pump, plays a supporting and fixing role, and is an important part for storing liquid and completing transportation.

Magnetic pump impeller: The blades on the impeller play the main role. Before assembly, the impeller should be subjected to a static balance test. The inner and outer surfaces of the impeller need to be smooth to reduce frictional losses in the water flow. When the motor drives the outer magnetic cylinder to rotate, the magnetic field passes through the blocking sleeve, and the high-temperature magnetic pump drives the inner magnetic rotor connected to the impeller to rotate synchronously, and then completes the conveying.

Structure:

product-750-402

pump component diagram

product-750-293

Why choose us:

We are a professional magnetic coupling pump manufacturers in China. We can provide the best magnetic coupling pump for sales and competitive price. If you are looking for magnetic coupling pump supplier, we are a good choice. Contact us to get the price of stainless steel magnetic coupling pump, magnetic coupling chemical pump, etc..

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  • What is magnetic drive pump?

  • What are magnetic drive pumps used for?

  • What points should be paid attention to during the operation and use of the magnetic drive chemical pump?

  • What’s the differences between CQ and YQMPS in magnetic pump

  • What’s the difference between magnetic pump and centrifugal pump?

  • What’s the difference of magnetic gear pump and magnetic centrifugal pump?

  • What are the advantages and disadvantages of magnetic pumps?

  • Can you run a magnetic pump dry?

What is magnetic drive pump?

The magnetic pump of the YONJOU PUMP is a new type of non-sealed pump that uses the principle of permanent magnet transmission technology to realize the non-contact transmission of torque. There is no mechanical connection between the driving shaft and the driven shaft, and there is no need for a dynamic seal in the structure, so this type of pump has no seal and can achieve zero leakage. It is especially suitable for conveying flammable, explosive, volatile, toxic, Corrosion and precious liquids, magnetic pumps are mostly used in occasions where the pump can only leak slightly or even no leakage, and in high vacuum occasions where mechanical seals are difficult to handle. In recent years, the pump has been widely used abroad in petroleum, chemical, electroplating, pharmaceutical, food, paper selection, printing and dyeing industries.

Magnetic drive pump realizes non-contact torque transmission through magnetic transmission and replaces dynamic seal with static seal, making the pump completely leak-free. The pump is isolated and driven by a magnetic coupling, which is generally a rotary working pump. Half of the magnetic coupling (inner magnet) is mounted on the pump shaft, and is sealed in the pump body with an isolation cover made of non-ferromagnetic material; the other half (outer magnet) is mounted on the motor shaft and is driven by magnetic force outside the isolation cover The inner magnet rotates to drive the pump to work, so there is no leakage. The bearings are made of self-lubricating materials and lubricated by the liquid to be sent. It is suitable for transporting toxic and harmful, flammable, explosive, highly corrosive and valuable liquids without particles. The pump adopts an independent lubricating system and is isolated from the liquid to be sent. It is suitable for conveying particles and slurry materials and high-temperature liquids (450°C).

What are magnetic drive pumps used for?

The magnetic drive pump has compact structure, beautiful appearance, small volume, low noise, reliable operation and convenient use and maintenance. Suitable for petroleum, chemical, pharmaceutical, smelting, electroplating, environmental protection, food, national defense and other industries It is an ideal equipment for conveying fluids with certain lubricity that do not contain solid particles and fibers in technological processes of various industries. Stainless steel centrifugal pump and stainless steel gear pumps can be selected

for corrosive or hygienic applications.

What points should be paid attention to during the operation and use of the magnetic drive chemical pump?

Precautions in use:

1. Because the cooling and lubrication of the bearing of the magnetic pump depends on the conveyed medium, it is absolutely forbidden to run without a load, and at the same time, avoid running without a load when the power is cut off and then restarted in the middle of the work.

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.

3. The ambient temperature of the pump in use should be less than 40℃, and the temperature rise of the motor should not exceed 75℃.

4. The medium to be transported and its temperature should be within the allowable range of the pump material. The operating temperature of the engineering plastic pump is less than 100℃, and the operating temperature of the metal pump is less than 100℃. Liquids containing hard particles and fibers.

5. For the medium that is easy to precipitate and crystallize, it should be cleaned in time after use to drain the accumulated fluid in the pump.

6. After 1000 hours of normal operation of the magnetic pump, 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.

Precautions during operation:

1. Pay attention to the pressure difference between the front and rear of the suction filter. When the pressure difference increases, it means that there is foreign matter on the filter. Stop the pump to clean the strainer.

2. Whether the discharge volume and discharge pressure meet the specified values;

3. Whether there is abnormal sound and vibration, if there is abnormal sound or vibration, it generally means that there is erosion or excessive wear of the bearing.

4. Whether the pump has cavitation: Open the outlet valve of the pump. When the flow reaches a certain amount, it suddenly makes noise and vibration. At this time, continue to open the valve. If the flow still does not increase, it means that there is cavitation. When there is cavitation, the exhaust operation should be carried out. Note: The magnetic pump cannot run in the state of cavitation. If it continues to run in this state, it will cause early bearing wear.

5. Whether the current value of the motor exceeds the rated current.

6. Whether the temperature of each part of the pump is abnormally overheated.

7. The pressure of the nitrogen pressure stabilization system should be kept within the specified range.

What are the differences between CQ and YQMPS in magnetic pump

The main difference between CQ magnetic pump and YQMPS magnetic pump:

1. First of all, if you look at it from the outside, you can find that the CQ magnetic pump body does not have a base, while the YQMPS magnetic pump has a base.

2. The YQMPS magnetic drive centrifugal pump is a heavy-duty series, and the internal parts are much thicker than those of the CQ type magnetic centrifugal pump.

3. Generally speaking, in a good working environment, you only need to choose YQMPS magnetic pump. But if it is in a harsh working environment, such as outdoor work, we should choose YQMPS magnetic pump as much as possible.

4. Whether it is in flow or head, YQMPS magnetic pump is larger than CQ magnetic pump.

On the same specifications and models, the YQMPS magnetic pump is a little more expensive than the CQ magnetic pump.

What are the difference of magnetic gear pump and centrifugal pump?

The difference between magnetic pump and centrifugal pump as follow:

Magnetic pump

Centrifugal pump

Non-leakage

May leak over time

There are inner magnetic rotor and outer magnetic rotor

There are no inner magnetic rotor and outer magnetic rotor

Can transport clear water media without hard particles

Can be used to transport boredom containing magazine particles

What are the difference of magnetic gear pump and magnetic centrifugal pump?

The difference between magnetic gear pump and magnetic centrifugal pump as follow:

Both centrifugal pumps and magnetic gear pumps can be called oil pumps. They are mainly used for the transmission of oil-like media and are more important tools in industrial production. Centrifugal pumps are used to transport petroleum products such as gasoline, kerosene, diesel, and kerosene. The medium temperature is -20℃~+80℃, it is an excellent marine oil loading and unloading pump. It is also suitable for oil transportation of oil storage devices such as land oil depots and oil tankers. It can also be used to transport sea water, fresh water, etc.

Features and advantages of magnetic gear pump( Model:KCBM[A1] ): compact structure, durable use and easy maintenance; good self-priming, no need to fill in liquid before start up; gear lubrication is automatically achieved by the liquid delivered, and no need to add lubrication during daily work Oil. Advanced technology, good performance and high efficiency of gear pump; easy installation and maintenance, pipeline installation, and control valves can be installed at the inlet and outlet.

A wide range of magnetic material can be selected according to customer requirements, such as cast iron, ductile iron, cast steel, stainless steel 304, stainless steel 316 and other materials.

What are the advantages and disadvantages of magnetic pumps?

The advantages of magnetic pump

Since the drive shaft does not need to penetrate into the pump casing, but uses the magnetic field to transmit the torque through the air gap and the thin wall of the isolation sleeve to drive the inner rotor, so the leakage channel of the shaft seal is fundamentally eliminated and complete sealing is achieved.

The magnetic pump has overload protection when transmitting power.

Except for the higher requirements of magnetic materials and magnetic circuit design, the technical requirements of other parts are not high.

The maintenance and repair workload of the magnetic pump is small.

The disadvantages of magnetic pump

1. The efficiency of the magnetic centrifugal pump is lower than that of the ordinary centrifugal pump.

2. Because the wear resistance of the isolation sleeve material is generally poor, the magnetic centrifugal pump is generally used to transport the medium without solid particles and the magnetic particle material is strictly prohibited from entering the pump.

3. Magnetic centrifugal pumps of general structure are allowed to transport liquids containing solid particles with a diameter of less than 0.15mm (100 mesh) and a mass fraction of no more than 5% (additional systems are required when exceeding them).

4. The pump and the motor are linked by a coupling. The coupling requires high precision for the installation of the center line. Improper alignment will cause damage to the bearing at the inlet and wear of the isolation sleeve to prevent single-sided leakage.

5. The magnetic drive of the magnetic centrifugal pump has two modes: synchronous drive and asynchronous drive. The inner and outer magnetic rotors of the synchronous drive are equipped with permanent magnets, so the temperature of the conveyed liquid must be lower than the maximum temperature allowed by the permanent magnets. There must be a certain margin. Although cobalt and samarium permanent magnets can reach 350 degrees Celsius, the actual operating temperature is generally not more than 260 degrees Celsius. Otherwise, high temperature may cause permanent magnets to lose their magnetism. The magnetic pump with special structure can reach up to 450 degrees Celsius,

6. The magnetic centrifugal pump has high requirements on the material and manufacturing process of the isolation sleeve. If the material is improperly selected or the manufacturing quality is poor, the isolation sleeve cannot withstand the wear of the inner and outer magnetic rotors and cause wear and tear. Once broken, the conveyed medium will be damaged. Overflow, causing equipment failure and affecting the normal operation of the device.

7.When the temperature of the conveying medium of the magnetic centrifugal pump exceeds the specified limit, external cooling is required. For example, an insulating cavity is set up, and the pump cavity is injected with coolant with a pressure higher than the sealing pressure to cool the inner magnetic rotor and bearings. The isolation jacket, the cooling liquid is passed into the inter layer, or the pump body is provided with a cooling jacket and a cooling coil, etc., the single structure is complex and the cost is high.

Can you run a magnetic pump dry?

Most people may ask “Can mag drive pump run dry?” The answer is definitely no!

The reason why the magnetic drive circulating pump cannot be idling

1. The magnetic pump cannot be idling, because the magnetic cylinder of the magnetic pump is cooled by the medium, if it is idling, the magnetic cylinder will be locked.

2. Most of the bearings of the rotor of the magnetic pump are made of cemented carbide and lubricated by the medium. The pump cannot be turned on without lubrication.

3. After the pump is idling, because there is no material to cool the pump, it may directly burn through the diaphragm sleeve.

4. The core components of the magnetic pump are the outer magnetic assembly and the inner magnetic assembly. If it is idling, it will cause the core components to be demagnetized at high temperature, and the performance of the magnetic pump after demagnetization will be greatly reduced.

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Adhering to the "bigger and stronger" spirit, the company has passed the ISO9001 international quality system, the detection of the EU CE certification, SGS, BV, TUV certification, UTS product field, and has a number of national patents, products by PICC underwriting quality, the company continuously over the years has been rated as "ICBC AAA credit enterprise", Zhejiang province "Shou contract re credit units", "Zhejiang Province integrity of private enterprises", "science and technology enterprises in Zhejiang province", "Zhejiang Province valve industry quality brand", "Wenzhou famous trademark", "Yongjia county famous trademark", "Yongjia star enterprise", "Yongjia science and technology project implementation unit" etc.. Products are exported to Germany, American permanent ball, Britain, Russia, South Korea, Japan, Australia, Brazil, Indonesia, Singapore, Romania, the United Arab Emirates, Iran, Egypt and other 180 countries and regions. To provide products and services for CNPC, SINOPEC, ABB, SIEMENS, ARITA, GRUNDFOS, KSB, HANIL, JC, KENT, WVODESIGNS, MAIN, ITT and other Multi-National Corporation, and many times the ball directly to the permanent brand to enter the bidding project and the government procurement list.
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