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AR North America Company News and Blog
Annovi Reverberi acquires Alberti International Srl
July 26, 2024
The Annovi Reverberi (AR) Group announces the acquisition of 100% of the capital of Alberti International Srl Alberti International Srl has been in the professional hot pressure washer industry since 1977. The company, which ended 2023 with a revenue of 6.5 million euros, is located in Motteggiana (MN, Italy), operates a 3,700 square meter production […]
How an AR High Pressure Plunger Pumps Work
October 12, 2015
What a AR high pressure plunger pumps actually do is move a column of water to create a flow. Pressure results from a restriction on than column of water as is the case when the water passes through a nozzle. When we speak of a pump's ability to create a certain pressure at a certain […]
How To Avoid Cavitation Damage
October 11, 2015
Can you identify and avoid cavitation damage? Cavitation is the formation and collapse of gaseous cavities in a liquid which causes severe wear or eroding of the metal wear surfaces in the pump. The most obvious sign of cavitation is a hammering noise. The noise can be either consistent or intermittent depending upon the degree […]
The Pressure Washer
October 10, 2015
Probably the easiest way to understand how a pressure washer functions is to diagnose a unit and see how it is constructed. We have selected a cold water portable unit for this purpose. First you have your power source (engine or motor) this is what created the energy to drive the pump. It and the […]
The Role of the Unloader
October 8, 2015
The trigger gun and unloader valve are the two main components of the most common safety system for high pressure cleaning equipment. Essentially, depressing the trigger allows water to flow out of the system through the nozzle under pressure while releasing the trigger diverts water flow back to the pump. The pump, however, continues to […]
Basic Maintenance High Pressure Plunger Pumps
October 7, 2015
This article is meant to provide an overview of basic maintenance high pressure plunger pumps in industrial applications. The pump is the heart of today's pressure washer, and it is usually the most neglected component in the system. As long as it is working it is not thought about, as soon as it fails it […]
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September 10, 2015
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