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Mali CDL, GDL, and QDL vertical multistage pipeline centrifugal pumps

This type of pump is mainly suitable for the circulation and boosting of hot and cold water in high-pressure operating systems, water supply with multiple pumps in parallel in high-rise buildings, fire protection, boiler feed water and cooling water systems, and the conveyance of various flushing liquids, etc.

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MaliCentrifugal pump

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Product Description

Product Introduction and Features

The GDL multi-stage pipeline centrifugal pump is a new generation of products designed and manufactured based on domestic and international pump models, combined with user requirements and relevant fire protection standards, and in accordance with JB/TQ6435-92 standard.

This type of pump adopts a vertical segmented structure with an added stainless steel shell, making the pump inlet and outlet located on the same horizontal line with the same diameter. It can be installed in the pipeline like a valve. It combines the advantages of high pressure of multi-stage pumps, small footprint of vertical pumps, and convenient installation of pipeline pumps. It also features high efficiency and energy saving, stable operation due to the use of an excellent hydraulic model. The shaft seal uses a wear-resistant mechanical seal, which is leak-proof and has a long service life.

To better meet user requirements, our company has also developed the GDLS type with the outlet located at the top. Its inlet and outlet can be installed at different relative positions (0°, 90°, 180°), making it convenient to use.

To ensure safer and more reliable use of this type of pump, our company has specially developed a convenient disassembly structure type. In addition to possessing all the advantages of GDL and GDLS, it provides a more convenient, quick, and labor-saving way to replace wearing parts such as mechanical seals, ensuring worry-free operation and maintenance.

Application Range

This type of pump is mainly suitable for the circulation and boosting of cold and hot water in high-pressure systems, multi-pump parallel water supply for high-rise buildings, fire protection, boiler feed water and cooling water systems, and the transportation of various flushing liquids, etc.

Operating Conditions

1. This type of pump can transport clear water or liquids with physical and chemical properties similar to clear water:
2. Liquid temperature: -15℃~+120℃:
3. Working pressure: Maximum working pressure <2.5MPa, i.e., system pressure = inlet pressure + pressure during valve closure <2.5MPa;
4. The ambient temperature should be below 40℃, and the relative humidity should not exceed 95%;
5. When transporting corrosive media and hot liquids, please specify when ordering so that special materials can be used to meet the requirements.