The pH range of water that the Clean Water Pump can adapt to is a key performance indicator, which directly affects the service life and working efficiency of the water pump.
Generally speaking, the Clean Water Pump can usually work normally within the pH range of 6.5 - 8.5. This pH range is close to neutral and is relatively less corrosive to the pump body materials and internal components. Within this range, the metal parts of the water pump, such as the impeller, pump shaft and pump casing, can maintain good chemical stability. For example, the pump body of most Clean Water Pumps is made of cast iron or stainless steel. In water with a pH value of about 7, these materials can effectively resist corrosion and ensure the structural integrity of the water pump.
When the pH of the water exceeds this range, a series of problems will arise. If the pH value of the water is lower than 6.5, it is acidic and the concentration of hydrogen ions in the water increases. Acidic substances will react chemically with metal parts, causing corrosion. For cast iron pump bodies, acidic water may gradually dissolve the iron elements on the surface of the cast iron to form rust. Over time, the accumulation of rust will affect the balance of the impeller, increase the vibration and noise of the water pump, and also reduce the efficiency of the water pump. Moreover, corrosion may also cause holes in the pump body and cause water leakage.
On the contrary, when the pH value is higher than 8.5 and the water is alkaline, it will also have an adverse effect on the water pump. In an alkaline environment, some metal parts may be corroded by alkaline, especially those containing aluminum. For example, the seals of some water pumps may contain aluminum. In alkaline water, aluminum will react with hydroxide ions, causing damage to the seals, causing water leakage or air intake problems. In addition, alkaline water may also cause scale formation. Calcium, magnesium and other ions in water are more likely to precipitate under alkaline conditions, adhere to the inside of the pump body and the surface of the impeller, increase the resistance of the water flow, and reduce the flow and head of the water pump.
Clean Water Pumps of different brands and models may have different adaptability to the pH of water due to differences in materials and designs. Some high-end Clean Water Pumps may use special corrosion-resistant materials or coatings to work in a wider pH range, but this is usually accompanied by higher costs. Therefore, in practical applications, it is crucial to understand the pH range of water that the Clean Water Pump can adapt to and select the appropriate water pump according to the specific water quality conditions to ensure the normal operation of the water pump and extend its service life.
