Surge Blocks

ASI offers surge blocks for well development or well rehabilitation. The surge block is lowered down the well pipe and is repeatedly moved up and down to force open the slots on the screen. Sch. 80 or Sch. 40. Check valves available. No Minimum Quantity.
Pipe Tap 3/4", 1/2", 1", 1 1/4"
Pipe Size 1 1/4", 1 1/2", 2", and 4".