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Marton Geotechnical Services Ltd www.mgs.co.uk e [email protected] t +44(0)1359 271167
Specifications may change without prior notice
GeoPump™
The GeoPump™ is a fully automatic, inherently safe, pneumatic pump which can safely be used in potentially hazardous zones and has ATEX II 1 G c T6 approval.
Applications• Remediation Free phase product recovery Total fluids recoveryFree Dissolved recovery• Landfill Leachate extraction wells Combined gas & leachate extraction wells Condensate knock-out pots
Features• Reliable proven technology • Inherently safe • Completely automatic • Low air requirement • Self adjusts to well flow • Does not need high quality air • Pumps solids in suspension • Low maintenance • Low operating cost
Capacities
GeoPump Model Av Cycle Volume Max Flow Rate Max Drawdown
GP2T 0.25 lit 6 lit/min 975 mm
GP2B 0.25 lit 7.6 lit/min 600 mm
GP3T 0.65 lit 22 lit/min 1050 mm
GP3B 0.65 lit 28 lit/min 660 mm
GP4T 1.2 lit 25 lit/min 1060 mm
GP4B 1.2 lit 55 lit/min 660 mm
GP4TXD 0.65 lit 24 lit/min 770 mm
GP4BTXD 0.65 lit 28 lit/min 400 mm
Marton Geotechnical Services Ltd www.mgs.co.uk e [email protected] t +44(0)1359 271167
Specifications may change without prior notice
GeoPump™
Top filling versionCan easily be converted from bottom to top filling version by adding top filling assembly.
Bottom inlet check valve(Bottom filling version only)High flow inlet valve and inlet screen made from high abrasion resistant material for long life.
FloatHigh chemical resistance with smooth outer surface. Easy to clean and maintain.
Pump top headMade from stainless steel.Air control valves & pivot arm are mounted on head which is removable as a complete unit.
Convert bottom filling versionCan be easily converted from bottom to top filling version by replacing bottom check valve with plug below.
Discharge non-return valveHigh flow valve with easily replaceable ball & pin.Model Size Descrition GP2 1/2” BSP Stainless steelGP3 1” BSP Stainless steelGP4 1” BSP Stainless steel
Air control valves & pivot armAll manufactured from stainless steel to ensure highly reliable long term control of the pump and corrosion resistance.Valve settings can be easily cleaned and/or adjusted on site without special tools (see below).
Central discharge tubeModel Size DescriptionGP2 1/2” BSP Stainless steelGP3 3/4” BSP Stainless steelGP4 1” BSP Stainless steel
Marton Geotechnical Services Ltd www.mgs.co.uk e [email protected] t +44(0)1359 271167
Specifications may change without prior notice
GeoPump™
How it worksThe GeoPump™ is operated by compressed air and features an internal float which automatically controls the pump itself and regulates the liquid level. No other liquid level control is required. The GeoPump™ only works and uses compressed air when it is full of liquid thus minimising and conserving energy.
Fill Cycle Pump starts to fillThe inlet non-return valve opens, allowing fluid to enter the pump.As the fluid level in the pump rises, the internal float rises to the top of its stroke. In this upper position, the float actuates a lever assembly to open the air inlet valve, and compressed air enters the pump chamber.Note: No air is used during the fill cycle.
Empty Cycle Pump starts to emptyThe air pressure within the pump chamber causes the fluid inlet valve to close. The fluid is then displaced from the pump chamber up through the discharge pipe.As the fluid level in the pump is lowered the float actuates the lever to close the air supply and open the air exhaust valve. A new cycle begins.
Pumping CapacityAs liquid enters the GeoPump™ under gravity and exits under the pressure of compressed air the performance of the GeoPump™ is dependent on several factors, including:• Depth of liquid above pump inlet (submergence)• Operating air pressure• Internal diameter of hoses • Total dynamic head
PressureThe pressure required will depend on the total dyn amic head of the system. It is recommended it be set at the calculated maximum air pressure plus 1 bar.
VolumeThe amount of air required depends on volume of liquid being pumped. This is determined by the total dynamic head of the system. If the liquid level above the pump inlet is reduced the pump will fill slower and therefore flow be reduced. Air requirement will also be reduced. To size the correct compressor for any installation it is recommended that it be sized for the maximum air requirement.Should the flow be reduced due to drawdown within the well then the actual air requirement will decrease which will save on energy or allow additional pumps to be added to the same compressor.
Marton Geotechnical Services Ltd www.mgs.co.uk e [email protected] t +44(0)1359 271167
Specifications may change without prior notice
GeoPump™
Specification GP2T
General
Pump model GP2T
Casing outside diameter 44 mm
Liquid intake Top filling
Maximum diameter (Intake) 48mm
Overall length 1060 mm
Weight 2.5kg
Maximum flow rate 6 lit/min
Average cycle volume 0.25 lit
Maximum drawdown level 975 mm
Restart liquid level 980 mm
PerformanceMaximum head 60 metres
Pressure range 2 to 7 bar
Air usage at max flow 26 lit/min (0.95 cfm)
Minimum density range 0.7 SpG
Typical liquids Gasoline/diesel/BTEX/MTBE
Materials
Body FRP
Float Closed cell polyurethane
Main components Stainless steel
Connections & Fittings
Discharge 1/2” BSP
Air vent 1/8” BSP
Air inlet 1/8” BSP
Fittings One touch or hosetail
Tubing
Discharge Polyethylene/PUR
Air Nylon/polyethylene/PUR
Vent Nylon/polyethylene/PUR
Performance curves based on the following criteria
Air pressure: 7 bar
Liquid discharge ID: 25mm
Air vent ID: 19mm
Air inlet ID: 12m
GP2T 150mm submergence
0
1
2
3
4
5
6
7
01 02 03 04 05 06 07 0
Total Dynamic Head (metres)
Litr
es p
er m
inut
e
GP2T 600mm submergence
0
1
2
3
4
5
6
7
01 02 03 04 05 06 07 0Total Dynamic Head (metres)
Litr
es p
er m
inut
e
GP2T 3000mm submergence
0
1
2
3
4
5
6
7
01 02 03 04 05 06 07 0Total Dynamic Head (metres)
Litr
es p
er m
inut
e
Restart Fluid Level
Marton Geotechnical Services Ltd www.mgs.co.uk e [email protected] t +44(0)1359 271167
Specifications may change without prior notice
GeoPump™
Specification GP2B
General
Pump model GP2B
Casing outside diameter 44 mm
Liquid intake Bottom filling
Overall length 1000 mm
Weight 2.5kg
Maximum flow rate 7.6 lit/min
Average cycle volume 0.25 lit
Maximum drawdown level 600 mm
Restart liquid level 625 mm
Performance
Maximum head 60 metres
Pressure range 2 to 7 bar
Air usage at max flow 28 lit/min (1.0 cfm)
Minimum density range 0.7 SpG
Typical liquids Landfill leachate/dissolved solids/fuels
Materials
Body FRP
Float Closed cell polyurethane
Main components Stainless steel
Connections & Fittings
Discharge 1/2” BSP
Air vent 1/8” BSP
Air inlet 1/8” BSP
Fittings One touch or hosetail
Tubing
Discharge Polyethylene/PUR
Air Nylon/polyethylene/PUR
Vent Nylon/polyethylene/PUR
Performance curves based on the following criteria
Air pressure: 7 bar
Liquid discharge ID: 25mm
Air vent ID: 19mm
Air inlet ID: 12m
GP2B 150mm submergence
0
1
2
3
4
5
6
7
8
01 02 03 04 05 06 07 0Total Dynamic head (metres)
Litr
es p
er m
inut
e
GP2B 600mm submergence
0
1
2
3
4
5
6
7
8
01 02 03 04 05 06 07 0Total Dynamic Head (metres)
Litr
es p
er m
inut
e
GP2B 3000mm submergence
0
1
2
3
4
5
6
7
8
01 02 03 04 05 06 07 0Total Dynamic Head (metres)
Litr
es p
er m
inut
e
Restart Fluid Level
Marton Geotechnical Services Ltd www.mgs.co.uk e [email protected] t +44(0)1359 271167
Specifications may change without prior notice
GeoPump™
Specification GP3T
General
Pump model GP3T
Casing outside diameter 67 mm
Liquid intake Top filling
Maximum diameter (Intake) 85 , 72mm (slim)
Overall length 1175 mm
Weight 4.5kg
Maximum flow rate 22 lit/min
Average cycle volume 0.65 lit
Maximum drawdown level 1050 mm
Restart liquid level 1055 mm
Performance
Maximum head 60 metres
Pressure range 2 to 7 bar
Air usage at max flow 77 lit/min (2.75 cfm)
Minimum density range 0.7 SpG
Typical liquids Gasoline/diesel/BTEX/MTBE
Materials
Body FRP/Stainless steel
Float Closed cell polyurethane
Main components Stainless steel
Connections & Fittings
Discharge 1” BSP
Air vent 1/4” BSP
Air inlet 1/4” BSP
Fittings One touch or hosetail
Tubing
Discharge Polyethylene/PUR
Air Nylon/polyethylene/PUR
Vent Nylon/polyethylene/PUR
0
5
10
15
20
01 02 03 04 05 0
Litr
es p
er m
inut
e
GP3T 150mm submergence
Total Dynamic Head (metres)
GP3T 3000mm
0
5
10
15
20
25
01 02 03 04 05 0Total Dynamic Head (metres)
Litr
es p
er m
inut
e
Restart Fluid Level
Performance curves based on the following criteria
Air pressure: 7 bar
Liquid discharge ID: 25mm
Air vent ID: 19mm
Air inlet ID: 12m
GP3T 600mm submergence
0
5
10
15
20
01 02 03 04 05 0Total Dynamic Head (metres)
Litr
es p
er m
inut
e
Marton Geotechnical Services Ltd www.mgs.co.uk e [email protected] t +44(0)1359 271167
Specifications may change without prior notice
GeoPump™
GP3B 150mm submergence
0
10
20
01 02 03 04 05 0
Total Dynamic Head (metres)
Litr
es p
er m
inut
e
GP3B 600mm submergence
0
10
20
01 02 03 04 05 0Total Dynamic Head (metres)
Litr
es p
er m
inut
e
GP3B 3000mm
0
10
20
30
01 02 03 04 05 0
Total Dynamic Head (metres)
Litr
es p
er m
inut
e
Restart Fluid Level
Specification GP3B
General
Pump model GP3B
Casing outside diameter 67 mm
Liquid intake Bottom filling
Overall length 1111 mm
Weight 5.0kg
Maximum flow rate 28 lit/min
Average cycle volume 0.65 lit
Maximum drawdown level 660 mm
Restart liquid level 685 mm
Performance
Maximum head 60 metres
Pressure range 2 to 7 bar
Air usage at max flow 98 lit/min (3.5 cfm)
Minimum density range 0.7 SpG
Typical liquids Landfill leachate/dissolved solids/fuels
Materials
Body FRP/Stainless steel
Float Closed cell polyurethane
Main components Stainless steel
Connections & Fittings
Discharge 1” BSP
Air vent 1/4” BSP
Air inlet 1/4” BSP
Fittings One touch or hosetail
Tubing
Discharge Polyethylene/PUR
Air Nylon/polyethylene/PUR
Vent Nylon/polyethylene/PUR
Performance curves based on the following criteria
Air pressure: 7 bar
Liquid discharge ID: 25mm
Air vent ID: 19mm
Air inlet ID: 12m
Marton Geotechnical Services Ltd www.mgs.co.uk e [email protected] t +44(0)1359 271167
Specifications may change without prior notice
GeoPump™
Specification GP4T
General
Pump model GP4T
Casing outside diameter 89 mm
Liquid intake Top filling
Maximum diameter (Intake) 85mm
Overall length 1180 mm
Weight 7.2kg
Maximum flow rate 25 lit/min
Average cycle volume 1.20 lit
Maximum drawdown level 1060 mm
Restart liquid level 1065 mm
Performance
Maximum head 60 metres
Pressure range 2 to 7 bar
Air usage at max flow 88 lit/min (0.95 cfm)
Minimum density range 0.7 SpG
Typical liquids Gasoline/diesel/BTEX/MTBE
Materials
Body FRP
Float Closed cell polyurethane
Main components Stainless steel
Connections & Fittings
Discharge 1” BSP
Air vent 3/8” BSP
Air inlet 1/4” BSP
Fittings One touch or hosetail
Tubing
Discharge Polyethylene/PUR
Air Nylon/polyethylene/PUR
Vent Nylon/polyethylene/PUR
GP4T 150mm
0
10
20
01 02 03 04 05 06 07 0
Total Dynamic Head (metres)
Litr
es p
er m
inut
e
GP4T 600mm
0
10
20
01 02 03 04 05 06 07 0
Total Dynamic Head (metres)
Litr
es p
er m
inut
e
GP4T 3000mm
0
10
20
30
01 02 03 04 05 06 07 0Total Dynamic Head (metres)
Litr
es p
er m
inut
e
Restart Fluid Level
Performance curves based on the following criteria
Air pressure: 7 bar
Liquid discharge ID: 25mm
Air vent ID: 19mm
Air inlet ID: 12m
Marton Geotechnical Services Ltd www.mgs.co.uk e [email protected] t +44(0)1359 271167
Specifications may change without prior notice
GeoPump™
GP4B 150mm submergence
0
10
20
30
40
50
01 02 03 04 05 06 07 0
Total Dynamic Head (metres)
Litr
es p
er m
inut
e
GP4B 600mm submergence
0
10
20
30
40
50
01 02 03 04 05 06 07 0Total Dynamic Head (metres)
Litr
es p
er m
inut
e
GP4B 3000mm submergence
0
10
20
30
40
50
60
01 02 03 04 05 06 07 0Total Dynamic Head (metres)
Litr
es p
er m
inut
e
Restart Fluid Level
Specification GP4B
General
Pump model GP4B
Casing outside diameter 89 mm
Liquid intake Bottom filling
Overall length 1090 mm
Weight 7.5kg
Maximum flow rate 55 lit/min
Average cycle volume 1.20 lit
Maximum drawdown level 660 mm
Restart liquid level 685 mm
Performance
Maximum head 60 metres
Pressure range 2 to 7 bar
Air usage at max flow 192 lit/min (1.0 cfm)
Minimum density range 0.7 SpG
Typical liquids Landfill leachate/dissolved solids/fuels
Materials
Body FRP
Float Closed cell polyurethane
Main components Stainless steel
Connections & Fittings
Discharge 1” BSP
Air vent 3/8” BSP
Air inlet 1/4” BSP
Fittings One touch or hosetail
Tubing
Discharge Polyethylene/PUR
Air Nylon/polyethylene/PUR
Vent Nylon/polyethylene/PUR
Performance curves based on the following criteria
Air pressure: 7 bar
Liquid discharge ID: 25mm
Air vent ID: 19mm
Air inlet ID: 12m
Marton Geotechnical Services Ltd www.mgs.co.uk e [email protected] t +44(0)1359 271167
Specifications may change without prior notice
GeoPump™
Specification GP4TXD
General
Pump model GP4TXD
Casing outside diameter 89 mm
Liquid intake Top filling
Maximum diameter (Intake) 85mm
Overall length 900 mm
Weight 4.5kg
Maximum flow rate 24 lit/min
Average cycle volume 0.65 lit
Maximum drawdown level 770 mm
Restart liquid level 775 mm
Performance
Maximum head 60 metres
Pressure range 2 to 7 bar
Air usage at max flow 98 lit/min (3.5 cfm)
Minimum density range 0.7 SpG
Typical liquids Gasoline/diesel/BTEX/MTBE
Materials
Body FRP
Float Closed cell polyurethane
Main components Stainless steel
Connections & Fittings
Discharge 1” BSP
Air vent 3/8” BSP
Air inlet 1/4” BSP
Fittings One touch or hosetail
Tubing
Discharge Polyethylene/PUR
Air Nylon/polyethylene/PUR
Vent Nylon/polyethylene/PUR
GP4TXD 150mm submergence
0
10
20
30
01 02 03 04 05 06 07 0
Total Dynamic Head (metres)
Litr
es p
er m
inut
e
GP4TXD 600mm submergence
0
10
20
30
01 02 03 04 05 06 07 0Total Dynamic Head (metres)
Litr
es p
er m
inut
e
GP4TXD 3000mm submergence
0
10
20
30
01 02 03 04 05 06 07 0
Total Dynamic Head (metres)
Litr
es p
er m
inut
e
Restart Fluid Level
Performance curves based on the following criteria
Air pressure: 7 bar
Liquid discharge ID: 25mm
Air vent ID: 19mm
Air inlet ID: 12m
Marton Geotechnical Services Ltd www.mgs.co.uk e [email protected] t +44(0)1359 271167
Specifications may change without prior notice
GeoPump™
GP4BXD 150mm submergence
0
10
20
30
01 02 03 04 05 06 07 0
Total Dynamic Head (metres)
Litr
es p
er m
inut
e
GP4BXD 600mm submergence
0
10
20
30
01 02 03 04 05 06 07 0Total Dynamic Head (metres)
Litr
es p
er m
inut
e
GP4BXD 3000mm submergence
0
10
20
01 02 03 04 05 06 07 0
Total Dynamic Head (metres)
Litr
es p
er m
inut
e
Restart Fluid Level
Specification GPBXD
General
Pump model GPBXD
Casing outside diameter 89 mm
Liquid intake Bottom filling
Overall length 765 mm
Weight 4.5kg
Maximum flow rate 28 lit/min
Average cycle volume 0.65 lit
Maximum drawdown level 400 mm
Restart liquid level 425 mm
Performance
Maximum head 60 metres
Pressure range 2 to 7 bar
Air usage at max flow 98 lit/min (3.5 cfm)
Minimum density range 0.7 SpG
Typical liquids Landfill leachate/dissolved solids/fuels
Materials
Body FRP
Float Closed cell polyurethane
Main components Stainless steel
Connections & Fittings
Discharge 1” BSP
Air vent 3/8” BSP
Air inlet 1/4” BSP
Fittings One touch or hosetail
Tubing
Discharge Polyethylene/PUR
Air Nylon/polyethylene/PUR
Vent Nylon/polyethylene/PUR
Performance curves based on the following criteria
Air pressure: 7 bar
Liquid discharge ID: 25mm
Air vent ID: 19mm
Air inlet ID: 12m
Marton Geotechnical Services Ltd www.mgs.co.uk e [email protected] t +44(0)1359 271167
Specifications may change without prior notice
Tubing, Fittings & HosesA complete range of chemical and abrasion resistant hoses, tubing and fittings are available to provide a complete pumping package. Materials include polyethylene, polypropylene, PVC, nylon, stainless steel and brass. All sizes are metric and/or Imperial to ensure compatibility worldwide.The choice of tubing and hoses will depend on each individual application and it is important that correct ones are used to ensure maximum safety and optimum performance of the GeoPump™. If in doubt, please contact Geosense for advice.
Nylon tubing
OD (mm) ID(mm) Length (mm) Colours Max working pressure bar Fitting Type
6 4 30 black, blue, red, natural 95 One touch
10 7 30 black, blue, red, natural 85 One touch
12 9 30 black, blue, red, natural 70 One touch
16 13 30 natural 50 One touch
Polyethylene tubing
16 13 50 black 10 Compression
20 16 30 black, blue 10 Compression
25 20 30 black, blue 10 Compression
32 26 30 black, blue 10 Compression
High pressure anti-static hoses
23.5 16 10, 20, 30 black 14 Quick connect
26.7 20 10, 20, 30 black 12.5 Quick connect
33.5 25 10, 20, 30 black 10 Quick connect
Standard hoses
OD (mm) ID(mm) Length (mm) Type Max working pressure bar Fitting Type Fitting Type
39 25 30 black 10 EPDM Hosetail
16 10 30 clear 2 PVC Hosetail
33 25 30 braided 10 PVC Hosetail
33 25 30 wire reinforced 5 PVC Hosetail
Nylon tubing Standard hosesPolyethylene tubing High pressure anti-static hoses
GeoPump™
Marton Geotechnical Services Ltd www.mgs.co.uk e [email protected] t +44(0)1359 271167
Specifications may change without prior notice
Pipe fittingsA full range of pipe fittings is available to ensure optimum performance, including One touch Polyethylene pipe compression fittingsHosetails (brass or stainless steel). Quick connect
Cycle counterProvides automatic detection of each pump cycle, registered on a six digit counter. Flow rates and total quantity of liquid can be quantified. Manufactured from 316 stainless steel.
ValvesValves are required to balance multi-pump systems and the range available includes lever arm ball valves, non-return valves & air-release valves
Well caps & flangesA wide range of well caps & flanges are available to suit all types of wells.
GeoPump™
Air filter regulatorsProvide additional air pressure regulation at each well to maximise efficiency of the system. In-built filter and auto drain facility provides automatic compressed air condensate removal.
Automatic level sensor Pneumatic level sensor system which automatically turns pumps off if the liquid level within a tank becomes too high.
05/2019 V1.2