1″ NPT 8′ Schedule 120 PVC Drop Pipe

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Bison Pumps 1” NPT Schedule 120 drop pipe has a wall thickness of 0.25 inches (compared to Schedule 40 at 0.133 inches). It has a coupling bell on one end that has a diameter of 1.77 inches while the pipe itself has a diameter of 1.315 inches. We must use the larger bell diameter when determining whether a system will fit inside a well based on the amount of available space. Both ends of the drop pipe are threaded and the male end comes with Teflon tape applied. It can be purchased in either 8 or 4 foot lengths.


Design and Construction

  • Β Thicker walled Schedule 120 PVC Drop Pipe
  • Β Patented Bell to prevent cross threading
  • Β Lifetime warranty on all manufactured parts


  • Wall Thickness: 0.25 inches
  • Outside diameter of bell: 1.77 inches
  • Outside diameter of pipe body: 1.315 inches
  • Length: 8 feet (4 feet available)
  • Weight: 4 pounds


  • 1 – 8-foot section 1” NPT Schedule 120 PVC Drop Pipe


This part works with these pumps: