Skip to content

Hydraulic Ram Pumps (Hydrams)

A Hydraulic Ram Pump is an automatic pumping device that uses the kinetic energy of flowing water to pump a portion of that water to a higher elevation without any electricity or fuel.

Operating Principle (The Water Hammer Effect)

       [ Stream / Spring ]
               │
               ▼ (Drive Fall: H)
       ══════════════════╗
                         ║
                         ║ Drive Pipe
                         ║
                         ▼
             ┌───────────┴───────────┐
             │   Air Pressure Chamber│ ──► Delivery Pipe (Lift: h)
             ├───────────────────────┤
             │ Delivery Check Valve  │
             ├───────────────────────┤
             │  Waste/Impulse Valve  │ ──► Waste Runoff
             └───────────────────────┘
  • Kinetic Impulse: When the waste valve slams shut, dynamic pressure forces water through a check valve into an air pressure chamber, propelling water up the delivery pipe.
  • Continuous Operation: Runs 24/7/365 as long as water flows in the drive stream.
  • Lift Ratio: Can pump water 5× to 25× the drive fall height.