Hydraulic Pumps 3rd Session 23-24

Piston pumps work well with ____ types of fluids.

• High Contaminants

• 1. High Viscosity

• 1. Low Viscosity

• 1. Semi Solids

Piston pump displacement can be ___.

• 1. Only fixed

• 1. Only variable

• 1. Both fixed and variable

Piston pumps have a cost range of ___.

• 1. $50-$12,000

• 1. $500-$5,000

• 1. $250-$6,000

What psi does a typical piston pump run at?

• 1. 4,000 psi

• 1. 5,000 psi

• 1. 5,500 psi

• 1. 4,500 psi

What applications are piston pumps used in?

• 1. Cars 

• 1. Heavy machinery 

• 1. Sauce packaging

• 1. All of the above.

What is the typical lifespan of a vane pump?

• Less than a year

• 2-8 years

• 5-10 years

• 10+ years

What viscosity of liquids do vane pumps handle best?

• High and medium

• Low and medium

• None; trick question

• High and low

What are the two types of vanes used in vane pumps?

• Flexible and sliding

• Rigid and flexible

• Gear and piston

• Wheel and sliding

What is/are application(s) of vane pumps?

• Power steering

• Wastewater systems

• Air conditioning

• All of the above

Vane pumps are reversible.

• False

• True