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BZ, BZH (Specialized for Seawater) Single-Stage Centrifugal Self-Priming Pump
The BZ and BZH (seawater‑specific) single‑stage centrifugal self‑priming pumps are high‑flow, high‑horsepower electric pumps consisting of a motor and pump connected as a unit, equipped with a high‑quality, specialized mechanical seal. Featuring copper impellers and ductile iron construction, they offer advantages such as a compact design, excellent sealing performance, large flow rates, ease of operation, simple maintenance, and reliable safety. The BZ self‑priming centrifugal pump is an ideal choice for garden irrigation, cooling‑water supply in plastic‑processing and die‑casting machines, and environmentally friendly water‑supply systems in industrial facilities.
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Self-priming pump series
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Product Description
Product Overview of BZ and BZH (Dedicated for Seawater) Single-Stage Centrifugal Self-Priming Pumps
The BZ and BZH (seawater‑specific) single‑stage centrifugal self‑priming pumps are high‑flow, high‑power electric pumps consisting of a motor coupled to a pump. They feature a high‑quality, specialized mechanical seal. With copper impellers and ductile cast‑iron construction, these pumps offer a compact design, excellent sealing performance, large flow rates, convenient operation, easy maintenance, and reliable safety. The BZ self‑priming centrifugal pump is the ideal choice for garden irrigation, cooling‑water supply in plastic‑processing and die‑casting machines, and environmentally friendly water supply in industrial facilities.
Scope of Application
The BZ-type single-stage centrifugal self-priming pump is suitable for conveying clean water or other liquids with physicochemical properties similar to those of clean water.
The BZH model features a copper impeller, a stainless steel shaft, and a fluoroelastomer mechanical seal, enabling it to handle mildly corrosive liquids such as seawater.
Working principle
A single-stage centrifugal self-priming pump is able to deliver water thanks to the action of centrifugal force. Before starting, the pump casing and the suction pipe must be completely filled with water to create a vacuum. As the impeller spins at high speed, its blades accelerate the water, which is flung outward by centrifugal force. Once the water is expelled from the pump, a vacuum forms at the center of the impeller. Under atmospheric pressure (or water pressure), water from the source is forced through the piping system into the suction pipe. This cycle repeats continuously, enabling sustained pumping.
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