A solar force pump. Image credit sunfuel.co.in

A solar force pump. Image credit sunfuel.co.in

ZIMSEC O Level Combined Science Notes: Pumps: Force pump

  • A force pump:
  • Has a cylinder, piston, two valves and a spout (outlet)
  • It makes use of atmospheric pressure to force fluid/water into the pump through valves
  • The valves in the pump allow fluids to flow in one direction only
  • When one valve is closed the other one is open
  • Uses force to operate at depths above 10m
A force pump in action

A force pump in action

  • When the piston moves up
  • Valve A closes
  • and atmospheric pressure forces water up through valve B into the cylinder
  • As the piston moves down
  • Valve B closes and
  • Water is forced through valve B
  • into the reservoir (C) and out of the spout
  • Water flows continuously from the spout because of the pressure of the air trapped in the reservoir
  • The force pump is also known as a deep well pump

To access more topics go to the Combined Science Notes page

Quick NetOne, Telecel, Africom, And Econet Airtime Recharge

If anything goes wrong, chat with us using the chat feature at the bottom right of this screen