Why can't the gear oil pump pump pump water

Gear oil pumps are mainly used to transport oils and other lubricating fluids, and are not an ideal choice for pumping due to the following reasons:

1. * * Lubrication difference * *: The design intention of gear pumps is to serve viscous and lubricating liquids (such as oil), which can form a lubricating film between gears, reducing wear caused by direct contact between metal surfaces.

In contrast, water lacks sufficient lubricity, which can exacerbate wear between gears and shorten the service life of the pump.

2. * * Design and Construction * *: Gear oil pumps usually adopt a relatively tight clearance design to improve efficiency, but this is not friendly to media containing impurities.

Solid particles or other impurities contained in water can easily enter narrow gear clearances, causing blockages and affecting the normal operation of the pump.

3. Corrosion risk: Water and its dissolved substances have a potential corrosive effect on some metal materials, and long-term pumping may accelerate the corrosion and damage of internal components of the pump.

4. * * Cavitation problem * *: The vaporization point of water is lower than that of oil, which means that under the same operating conditions, gear oil pumps are more prone to cavitation when pumping water, resulting in unstable pump performance and even damage to the pump body.

However, it is not absolutely prohibited for gear oil pumps to pump water. There are also gear pumps specifically designed for pumping on the market, which will enhance their anti-corrosion and wear-resistant characteristics and optimize their structure,

Make it more suitable for treating clean water or slightly polluted water. However, even so, gear pumps specifically designed for pumping should not be confused with ordinary gear oil pumps.

In general, if it is necessary to pump water in industrial production, it is more recommended to use pump types specifically designed for pumping, such as centrifugal pumps, submersible pumps, or plunger pumps,

To achieve better results and longer service life. For specific application requirements, it is recommended to consult professional suppliers and choose the most suitable pump products.