Waterra

The Waterra Surge Blocks are great tools for removing silt and sediment from the bottom, sandpack and screen of monitoring wells.  The SBD-25 surge blocks are designed for use with the D-25 foot valve, the SBD-32 surge blocks are designed for use with the D-32 foot valve. Each surge block has two differing sizes, one for 2" wells and the other for 4" wells.

• 3/4 horsepower electric (110 volt) motor, generates 4-inch stroke at up to 200 cycles per minute.
• Designed for use with the Waterra low, standard, and high flow foot valves (sold separately).
• Great for well development of 2" and 4" wells using standard or high flow foot valves with surge blocks (sold separately).