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Geotech PVC Bladder Pumps

Geotech PVC Bladder Pumps

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Geotech PVC Bladder Pumps

Together with the USGS, Geotech designed the original bladder pump for groundwater quality and pollution monitoring. They can pump to the surface from as deep as 250 feet (76.2 meters) with minimal agitation for the best representative samples.


• 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 Housing: PVC

Bladder Material: Virgin PTFE

Minimum Operating Pressure: 5 psi above static head

Max Depth: 290'

Outside Diameter: 1.66" (4.2 cm)

Operating Pressure: 10-125 psi 

Model Specific Specifications

1.66" X 36" 

Weight - 1.8 lbs. (0.82 kg)

Volume / Cycle - 7 oz. (207 ml)

1.66" X 18" 

Weight - 1.1 lbs. (0.5 kg)

Volume / Cycle - 3.5 oz. (105 ml)