What is the difference between a normal water pump and an oil suction pump?

It is the aim of this brief to make a distinction between a common water pump and an oil suction pump based on such characteristics as its purpose, design, and working principles that are meant for different fluids with unlike viscosity and properties. Overview you have given above has captured the essence of the difference. Here is more detailed exploration:

Design and Construction:

Water Pumps: These pumps are made specifically for water which has low viscosity. Materials used in their construction, such as cast iron or stainless steel along with pump’s design are aimed at increasing durability, efficiency, and corrosion resistance because water can be corrosive over time.

Oil Suction Pumps: These pumps are designed to handle thick fluids like oil that have high viscosities. The materials may also be selected for their resistance to chemical corrosion as oils may contain additives or contaminants that could be corrosive.

Operational Mechanism:

Water Pumps: Typically, these kinds of pumps use impellers or rotors to create flow of water. Through centrifugal force generated by it, steady flowing is ensured through the system.

Oil Suction Pumps: To empty oil from a reservoir or an engine, these use suction mechanism. The designs might involve gears, lobes or screws which create vacuum required for movement of oils. They ensure steady flow even when dealing with highly viscous liquids like oil.

Performance Parameters:

Water Pumps: Flow rate values, pressure output levels and ability to transfer liquid throughout a system usually determine how good were water pumps utilized.

Oil Suction Pumps: Oil suction pumps work well where there are heavy duty applications requiring handling viscous fluids; good amount of suction to overcome higher temperatures so as not prevent oils from moving out normally due to rises in temperature causing changes in viscosity respectively disciplinary actions against teachers who sexually prey upon students

Maintenance and Durability:

Water Pumps: Because water has less viscosity compared to other fluids maintenance may be straight forward. Typical maintenance activities include regular checks for corrosion, sealing replacements and monitoring cavitation.

Oil Suction Pumps: In case the pump is to effectively draw oil out of the reservoir and through its system of pipes, filters, motors etc., it needs to be maintained meticulously so that the suction mechanism works well as required and changes in viscosity or contamination do not prevent such from happening.

Applications:

Water Pumps: These are used in agriculture, municipal (water and wastewater treatment), industrial, and residential systems among other places.

Oil Suction Pumps: On the other hand, these can be found in automotive, industrial or marine applications where there is need for lubrication; cooling and oil must be drawn from an engine or a reservoir therein respectively.

Cost and Efficiency:

Water Pumps: Water pumps might be more cost effective and energy efficient due to their lower viscosity levels.

Oil Suction Pumps: Due to difficulties associated with higher viscosities of oils that can also be corrosive in nature operational costs could rise resulting into high rates of repairs or replacements by oil suction pumps

In conclusion both types of pumps move fluids but they differ based on the type of fluid they were designed for hence requiring special approaches when designing operating or maintaining them.