Shielded pump type and selection precautions

Shield pump to pump and motor together, the motor rotor and pump impeller fixed on the same axis, using the shield sleeve to separate the motor rotor and stator, the rotor is running in the medium being transported, Its power is transmitted to the rotor through the stator magnetic field. In addition, the shield pump manufacturing is not complicated, the hydraulic end of the centrifugal pump can be used in accordance with the structure type and the relevant standard specifications to design and manufacture. Shielding pump type and selection precautions Shielding pump can be divided into the following categories according to the temperature, pressure, viscosity and particle size of the liquid to be transported: the temperature of the conveying medium does not exceed 120 ℃ and the lift does not exceed 150M. Various other types of shielding pumps can be based on the basic type, through the modification and improvement. In this type of shielded pump, the direction of fluid flow through the bearing lubrication, cooling, and cooling of the motor is exactly opposite to the basic one. Its main feature is not easy to produce cavitation, especially for easy vaporization of liquid transport, such as liquefied petroleum gas, chloroform and so on. General transport medium temperature up to 350 ℃, the maximum flow 300M3 / H, head up to 115M, suitable for hot medium oil and hot water and other high temperature liquid. Suitable for transporting liquids mixed with a large amount of mud. Shielding pump selection Points to note: The general shield pump uses the transport of liquid to cool the motor, and the annular gap is small, so the liquid must be clean. For conveying a variety of liquid mixtures, if they produce precipitation, coking or jelly, then the selection of shielding pump (non-mud type) may block the shielding gap, affecting the pump cooling and lubrication, resulting in burning graphite bearings and motors. Shielded pumps are generally circulating cooling pipe, when the ambient temperature is lower than the freezing point of the liquid pumped, the anti-freezing measures should be used with the accompanying pipe to ensure easy start-up pump. In addition, the shield pump should strictly comply with the opening sequence of the outlet valve and inlet valve at start-up. When the pump is stopped, the outlet valve should be closed first. When the pump operation is stopped, the inlet valve is closed and the outlet valve is closed. In short, the use of shielded pump, completely leak-free, effectively avoiding environmental pollution and material loss, as long as the correct selection, the operating conditions did not abnormal changes in normal operation, almost no maintenance workload. Shielded pump is the ideal pump to transport flammable, explosive, corrosive and valuable liquid. (Editor: Xiaoxia QQ:) Recommended reading: 2017 exhibition information

Toilet Tank

A toilet tank, also known as a hidden cistern, is a modern plumbing fixture used in bathrooms and toilets. It is designed to hide the flushing mechanism behind a wall or inside a piece of furniture, providing a sleek and minimalist look to the bathroom space.

The main purpose of a concealed flush tank is to save space and create a clean aesthetic by concealing the unsightly plumbing components typically associated with traditional exposed cisterns. By integrating the flush tank within the wall or furniture, only the flush buttons or plates are visible to the user.

Concealed cisterns come in various designs and sizes to accommodate different installation requirements. They are usually made of durable materials such as ABS plastic or stainless steel to ensure longevity and resistance to water damage. The tanks are equipped with a water inlet valve, a flushing mechanism, and an outlet pipe connected to the toilet bowl.


In addition to the aesthetic benefits, installation systems also offer practical advantages. They are typically equipped with dual-flush mechanisms, allowing users to choose between a full flush for solid waste and a partial flush for liquid waste. This dual-flush feature helps in conserving water by reducing the amount used for each flush, contributing to water efficiency and environmental sustainability.

Installation of a concealed cistern requires professional plumbing expertise, as it involves cutting into the wall and connecting the tank to the toilet bowl. However, once properly installed, the maintenance and upkeep of a concealed toilet tank are relatively straightforward.

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