If a vessel were to fail while under vacuum the implosion can be powerful enough to cause injury. See this video for an improved piston design that can be used in this pump: • How To Make A Nerf ...

Vacuum Pump Market grows with rising demand in semiconductors, pharmaceuticals, and industrial manufacturing applications. Rising industrial automation and growing demand across healthcare, oil & gas, ...

The up and down motion of the piston in the cylinder ... created by the partial vacuum beneath the piston. The beam, powered by the cylinder piston, pulls up the water pump piston.