The five plunger design offers significant benefits over traditional designs in terms of reliability, maintenance requirements and noise during operation. Because the load on each plunger is reduced in comparison to three plunger pumps of similar specification, there is a 40% reduction in the fluid velocity per plunger that results in lower hydraulic noise. The crank is able to turn slower, which reduces mechanical wear and noise, while stroke lengths are longer, leading to fewer reversals.
Overall the pump features a smoother pressure profile, which reduces the impact of surges on other critical items of equipment within the system such as hoses and valves, which means the entire system offers increased reliability over competitors.
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