Industry News
Correct use of remote control facilities for fire pressure water supply equipment
The fire hydrant water supply system and automatic sprinkler water supply system of high-rise or multi story civil buildings widely use fire pressure water supply equipment, which generally consists of pressure water tanks, water pump units, pipeline systems, electrical control systems, automatic co......
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Why Should the Valve Be Closed When Starting a Centrifugal Pump?
When a centrifugal pump starts, the outlet pipeline is initially empty of water, meaning there is no pipeline resistance or lift resistance. Immediately after startup, the pump operates at a very low head and a very high flow rate.
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Classification of Sewage Pumps and Introduction to Sewage Pump Impeller Types
Sewage pumps can be categorized into the following types: submersible sewage pumps (under-liquid type), pipeline sewage pumps, submersible sewage pumps (fully submerged type), vertical sewage pumps, corrosion-resistant sewage pumps, acid-resistant sewage pumps, and self-priming sewage pumps.
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Methods for Flow Regulation of Pipeline Centrifugal Pumps
For low and medium specific speed pumps, this is a common and economical flow regulation method, though it is generally limited to such pumps. Partially closing any type of valve on the outlet pipeline increases the system head, causing the system head curve to intersect the pipeline pump's head cur......
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