(5) 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. Pipe Tap 3/4", 1/2", 1", 1 1/4" Pipe Size 1 1/4", 1 1/2", 2", 4", 6"
(4) PVC soil testing points are machined from solid bar stock and fitted with an O-ring to prevent the point from slipping off the end of the Drive Casing. We provide these test point in a 2" O.D. with either a 0.75" or 1.00" inner FJT thread. STOCK # PSTP2
(11) Type 304 Other Size Custom Made Stabilizes and centers pipe, well screen, and Piezometers in groundwater monitoring and other large well installations. All stainless steel construction including spring steel straps. Quality Centralizers spot-welded for high strength.