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Together with the USGS, Geotech designed the original bladder pump for groundwater quality and pollution monitoring. Geotech Bladder Pumps can pump from as deep as 1000 feet (305 meters) with minimal agitation for the best representative samples.
1.66 x 36" | 1.66 x 18" | .850 x 18" | .675 x 18" | ||
Pump Housing | 316 SS | 316 SS | 316 SS | 316 SS | |
Bladder Material | Virgin PE or PTFE | Virgin PE or PTFE | Virgin PE or PTFE | Virgin PE or PTFE | |
O.D. | 1.66" (4.2 cm) | 1.66" (4.2 cm) | .850" (2.2 cm) | .675" (1.7 cm) | |
Length w/Screen | 38" (96.5 cm) | 20" (51 cm) | 18 5/8" (47.3 cm) | 18 3/4" (47.6 cm) | |
Weight | 5.5 lbs. (2.5 kg) |
3.5 lbs. ( 1.6 kg) | 1.1 lbs. (.5 kg) | .83 lbs. (.4 kg) | |
Volume/Cycle | 22 oz. (650 ml) | 11 oz. (325 ml) | .9 oz. (29 ml) | .5 oz. (15 ml) | |
Min. Well I.D. | 2" (50 mm) | 2" (50 mm) | 1.00" (25.4 mm) | .75" (19 mm) | |
Operating Pressure Low Pressure BP: High Pressure BP: |
10-125 psi (.7-8.6 bar) 10-500 psi (.7-34 bar) |
10-125 psi (.7-8.6 bar) 10-500 psi (.7-34 bar) |
100 psi (6.9 bar) N/A |
100 psi (6.9 bar) N/A |
|
Min. Operating Press. | 5 psi (.34 bar) ash* | 5 psi (.34 bar) ash* | 5 psi (.3 bar) ash* | 5 psi (.3 bar) ash* | |
Maximum Depth Low Pressure BP: High Pressure BP: |
290' (88 m) 1000' (305 m) |
290' (88 m) 1000' (305 m) |
200' (61 m) N/A |
200' (61 m) N/A |
|
Air Line (ID x OD) Low Pressure BP: High Pressure BP: |
.17" x .25" (4x6 mm) .25" x .375" (6x10 mm) |
.17" x .25" (4x6 mm) .25" x .375" (6x10 mm) |
.17" x .25" (4x6 mm) N/A |
.17" x .25" (4x6 mm) N/A |
|
Discharge Line (ID x OD) |
.25" x .375" (6 mm x 10 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) |
A. | B. | C. | D. |