Pump 22902431: The pump housing is constructed from high - quality [material type 1, e.g., cast iron or aluminum alloy]. This material offers excellent heat resistance, durability, and corrosion resistance, enabling the pump to withstand the harsh operating conditions within the engine's cooling system.
Pump 20744939: Its housing is made of [material type 2], which provides similar properties of heat and corrosion resistance. The material is chosen to ensure a long - lasting and reliable operation of the pump in the demanding environment of a Volvo excavator.
Impeller
Pump 22902431: The impeller is crafted from [impeller material 1, e.g., a specialized plastic or a metal alloy]. It is designed with a specific blade configuration and pitch to efficiently draw in and circulate the coolant, maximizing the cooling efficiency of the system.
Pump 20744939: The impeller of this pump is made of [impeller material 2], which is optimized for high - speed rotation and effective coolant movement. The design of the impeller blades ensures smooth and efficient coolant flow through the pump.
