Geotech 1.66x18, Installation And Operation Manual

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9
Example Flow Rates
Table 3-1 : Flow Rates
with 25’ (7.6m) Airline
@ 25 ft. (7.6 m) airline*
(3 ft. (0.9 m) submergence)
Pump Size:
Discharge Tube
Size:
Flow:
Approx. Geocontrol PRO Settings
Fill Time: Discharge Time:
1.66 x 36"
(4 x 91 cm)
1/4" ID x 3/8" OD
(64 x 127 mm)
43 oz/min
(1.3 L/min)
10 sec. 7 sec.
1.66 x 18"
(4 x 46 cm)
33 oz/min
(1 L/min)
5 sec. 5 sec.
0.85 x 18"
(2.2 x 46 cm)
.17" ID x 1/4" OD
(43 x 64 mm)
20 oz/min
(0.6 L/min)
1 sec. 2 sec.
0.675 x 18"
(1.7 x 46 cm)
10 oz/min
(0.3 L/min)
1 sec. 2 sec.
Table 3-2
: Flow Rates with 150’ (46m) Airline
@ 150 ft. (46 m) airline*
(3 ft. (0.9 m) submergence)
Pump Size:
Discharge Tube
Size:
Flow:
Approx. Geocontrol PRO Settings
Fill Time: Discharge Time:
1.66 x 36"
(4 x 91 cm)
1/4" ID x 3/8" OD
(64 x 127 mm)
9 oz/min
(260
mL/min)
20 sec. 55 sec.
1.66 x 18"
(4 x 46 cm)
6 oz/min
(175
mL/min)
15 sec. 40 sec.
0.85 x 18"
(2.2 x 46 cm)
.17" ID x 1/4" OD
(43 x 64 mm)
2 oz/min
(59
mL/min)
8 sec. 30 sec.
0.675 x 18"
(1.7 x 46 cm)
1 oz/min
(27
mL/min)
5 sec. 25 sec.
* Airline tubing size: .17”ID x ¼” OD (4 x 6 mm)
Speak with a Geotech representative to determine the best configuration to fulfill your
sampling needs.
Flow rates are based on 3’ (0.9 m) of pump submergence. Field
environments typically provide over 10’ (3 m) of submergence, which
increases flow.