Geotech Portable Bladder Pumps

Geotech's portable bladder pumps are designed with input from field technicians who actually do the sampling!

Single turn release head and quick change bladders allow for quick, in-the-field bladder changes and easy decontamination. Custom hose barbs allow the pump to be secured to tubing without the need for tubing clamps.

Features
Specifications
Optional Accessories
Downloads

New 36" Pump
Provides up to 30% greater flow
Constructed of 316 stainless steel
For unsurpassed durability and truly representative samples
Portable turnkey systems available
Everything you need to quickly and efficiently sample your site
Easy-to-open housings
No special tools or training required to service the pump
Quick-change bladder configuration
Bladders are easily changed without tools by sliding back the PTFE collars
Drop tube intake option
Allows for deeper sampling
Extra bladders are readily available
Available in PTFE and Polyethylene for all models
Bonded tubing
In Polyethylene and FEP lined Polyethylene by the foot or by the roll
Compatible with the Geotech Geocontrol PRO & BP Controller units
CE rated for quality

	1.66" x 36"	1.66" x 18"	.850"	.675"
Pump Housing	316 SS	316 SS	316 SS	316 SS
Pump Ends	316 SS	316 SS	316 SS	316 SS
Bladder Material	Virgin PE (Optional PTFE)	Virgin PE (Optional PTFE)	Virgin PE (Optional PTFE)	Virgin PE (Optional PTFE)
Outer Diameter	1.66" (40 mm)	1.66" (40 mm)	.850" (21.6 mm)	.675" (17 mm)
Length w/Screen	40" (101.6 cm)	19" (48.2 cm)	18 5/8" (47.3 cm)	18 3/4" (47.6 cm)
Weight	5.0 lbs. (2.27 kg)	3.0 lbs. (1.36 kg)	1.1 lbs. (.5 kg)	.83 lbs. (.376 kg)
Volume/Cycle	11 oz. (310 ml)	5 oz. (150 ml)	0.9 oz. (29 ml)	0.5 oz. (15 ml)
Min. Well I.D.	2" (5 cm)	2" (5 cm)	1" (2.5 cm)	.75" (1.9 cm)
Max. Operating Pressure	100 psi (6.9 bar)	100 psi (6.9 bar)	100 psi (6.9 bar)	100 psi (6.9 bar)
Min. Operating Pressure	5 psi (.3 bar) ash*	5 psi (.3 bar) ash*	5 psi (.3 bar) ash*	5 psi (.3 bar) ash*
Max. Sampling Depth	200' (61 m)	200' (61 m)	200' (61 m)	200' (61 m)
Tubing Size
Air ID x OD Discharge ID x OD	.17" x .25" (4 mm x 6 mm) .25" x .375" (6 mm x 10 mm)	.17" x .25" (4 mm x 6 mm) .25" x .375" (6 mm x 10 mm)	.17" x .25" (4 mm x 6 mm) .17" x .25" (4 mm x 6 mm)	.17" x .25" (4 mm x 6 mm) .17" x .25" (4 mm x 6 mm)

*ash = above static head

Portable Bladder Pump Drop Tube Assembly

Geotech's optional 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
Available for all three pump sizes

Portable Bladder Pump Drop Tube Assemblies

.675

.850

1.66

Portable Bladder Pump Reel

Caddy stores pump when not in use
Depth ranges to 175 feet (53 m)
Quick-connect fittings at pump and reel

Portable Bladder Pump Reel System (shown with 1.66 Pump)

Bonded Tubing Sizes

Bonded Polyethylene x Polyethylene
[.170" x .25", .170 x .25"]
[.170" x .25", .25" x .375"]
[.25" x .375", .25" x .375"]
[.25" x .375", .375" x .50"]

Bonded FEP Lined Polyethylene x Polyethylene
[.170" x .25", .170 x .25"]
[.170" x .25", .25" x .375"]
[.25" x .375", .25" x .375"]

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> Specifications PDF

> Installation and Operation Manual

1.66" x 36"

1.66" x 18"

.850"

.675"