After 1,000 hours of normal operation, the magnetic pump should be disassembled to inspect the bearings and face ring for wear. Any consumable parts that show signs of damage or excessive wear must be replaced and should never be reused. The pump should be operated in an ambient temperature environment below 40°C, and the motor temperature should not exceed 75°C.
The medium being conveyed must be within the acceptable temperature range for the magnetic pump. For engineering plastic pumps, the temperature should be under 60°C, while for metal pumps, it should remain below 100°C. The suction pressure should not exceed 0.2 MPa, and the maximum working pressure should be no more than 1.6 MPa. The liquid density should not go beyond 1,600 kg/m³, and the viscosity should stay under 30 × 10â»â¶ m²/s. Avoid using the pump with liquids containing hard particles or fibers, as this can cause damage.
If the transported medium contains solid particles, a filter should be installed at the pump inlet. If ferromagnetic particles are present, a magnetic filter is also required. For media that tend to crystallize or precipitate, the pump should be thoroughly cleaned and drained after use to prevent blockage or damage.
Magnetic pumps rely on the transported medium for cooling and lubrication of the bearings. It is absolutely critical that the pump never runs dry or without liquid, as this can lead to severe damage. Additionally, during sudden power outages, care must be taken when restarting the pump to ensure safe operation.
A magnetic pump (magnetic drive pump) consists of several key components, including the pump head, magnetic actuator (also known as the magnetic cylinder), motor, and connecting baseplate. The magnetic drive system is made up of an outer rotor, inner rotor, and a non-magnetic isolation sleeve. When the motor rotates the outer rotor, the magnetic field passes through the air gap and non-magnetic material, causing the inner rotor and impeller to rotate synchronously. This allows for contactless power transmission, eliminating the need for traditional dynamic seals and reducing the risk of leakage. By replacing the dynamic seal with a static one, the magnetic pump achieves a completely leak-proof design, making it ideal for handling hazardous or sensitive fluids.
Aluminum doors are doors with aluminum alloy as the frame and inlaid glass. The following is its relevant introduction:
1. Structural composition
Aluminum alloy frame
The aluminum alloy frame provides a stable support structure for aluminum doors. Aluminum alloy has the advantages of high strength, light weight, and corrosion resistance. Its profiles can be made into various shapes and sizes according to different design requirements, such as common squares, rectangles, etc., and can be anodized, powder sprayed and other surface treatments to achieve beautiful and durable effects.
Glass part
Glass is an important part of aluminum doors, with functions such as lighting and transparent vision. According to different needs, ordinary transparent glass, frosted glass, tempered glass, hollow glass, etc. can be selected.
Ordinary transparent glass has good light transmittance, but its safety and heat insulation and sound insulation performance are relatively poor. Frosted glass can protect privacy to a certain extent and is suitable for places with certain privacy requirements, such as bathrooms. Tempered glass has high strength, blunt-angle particles after breaking, good safety, and is often used in public places or places with high safety requirements. Hollow glass has better heat insulation and sound insulation performance, and is suitable for places where the indoor environment needs to be kept comfortable.
2. Types
Sliding aluminum door
This type of door uses tracks and pulleys to push and pull the door leaf left and right. Its advantages are space saving and easy operation. It is suitable for places with small space or not suitable for swing door opening, such as partitions between balconies and indoor areas, entrances and exits of small shops, etc. However, the sealing performance of sliding aluminum doors is relatively weak, and it may not be as good as swing doors in terms of sound insulation, heat insulation and preventing dust from entering.
Swing aluminum door
Swing aluminum doors are connected by hinges and can be opened inward or outward. It has good sealing performance and can effectively block dust, rain, noise, etc. from the outside. The safety of swing doors is also high, and they are suitable as entrance doors for residential buildings or partition doors between indoor rooms. However, swing aluminum doors need to occupy a certain space when opened, and have certain requirements for the surrounding space.
3.Advantages
Aesthetics: The transparency of the glass of the aluminum glass door can make the space appear more open and bright, and has a high decorative value.
Strong and durable: The aluminum alloy material has high strength and is not easy to deform, which can ensure the long-term use of the door.
Good sealing: The aluminum glass door can effectively block the dust, noise and temperature changes from the outside.
Corrosion resistance: The aluminum glass door can adapt to different environmental conditions and is not easy to rust.
In commercial places such as shopping malls and office buildings, aluminum glass doors are often used in storefronts, office partitions, etc.; in homes, they are also commonly seen in areas such as balcony doors and kitchen doors.
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