1.66" Diameter x 36" Length Dedicated PVC Bladder Pump Drop Tube - 0-200'


SKU: GT-81150041

1.66" Diameter x 36" Length Dedicated PVC Bladder Pump Drop Tube - 0-200 foot depth

The drop tube intake system allows you to easily relocate the bladder pump intake way beyond the depth limitations of the pump. As Long as the pump remains submerged, you can effectively and economically low flow sample from the well’s screened section.


  • Relocate pump intake to deeper well screen interval
  • Keeps pump at optimum depth to maximize performance
  • Drop tube length custom sized to each well
  • Easily adaptable in the field
  • True low flow capability for less agitation
  • Proprietary resin grade virgin PTFE bladder for long life
  • Dedicated or portable turnkey systems
  • Designed for wells as small as 2" (5 cm)
  • Screened intake extends bladder life
  • Optional Drop-Tube assembly available for sampling from greater depths


A. GEO1.66PVC36
Durable PVC construction for a great value in a high volume pump.
For 2" (5 cm) wells or larger.
B. GEO1.66PVC18
The same as above but for lower pump volume requirements.


Pump Momponents: PVC
Bladder Material: Virgin PTFE
O.D.: 1.66" (4.2 cm)
Weight: 1.8 lbs. (0.82 kg)
Volume/Cycle: 7 oz. (105 ml)
Min. Well I.D.: 2" (50 mm)
Operating Pressure: 10-125 psi (.7-8.6 bar)
Min. Operating Range: 5 psi (.34 bar)
Max. Depth: 250' (76.2 m)

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