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  Solinst 42mm diameter Double Valve Pumps


Stainless Steel Model (maximum operating depth 150m):

Manufactured from 316 stainless steel, This is the ideal sampling pump for most types of groundwater sampling including Leachate and Product. High solids content, strong solvents and corrosive chemicals are easily and economically pumped. Survives dry pumping, dirty air and sand.



PVC Model (maximum operating depth 30m):

For metals analysis and shallow applications a PVC version is available. The low cost of the PVC pump also makes this a perfect choice for situations where there is a limited budget.



The tubing requirement for optimal performance with 42mm DVP is:

6mm tubing for Vent (Sample Line) and 10mm tubing for Drive (Air Line).



For more details:
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Pump Body
The pump body of the standard Double Valve Pump is 42 mm and available in 1.2 m length.
42mm DVP
Code Description
S408/42S 408 42 mm Standard DV Pump (SS x 2ft)  
S408/42P 408 42 mm Standard DV Pump (PVC x 2ft)  


LDPE Single Line Tubing
Dedicated DVP's require individual drive and sample lines so that the cost of replacing the sample line is minimised.
Code Description
S-LD14N 1/4 x 0.17 inch (~6 x 4 mm) LDPE Tubing  
S-LD14R 1/4 x 0.17 inch (~6 x 4 mm) LDPE Tubing - Red (Drive Line)  
LD14-100 1/4 x 0.17 inch (~6 x 4mm) LDPE Tubing - 100m  
S-LD38 3/8 x 1/4 inch (~10 x 6 mm) LDPE Tubing  
S4078/OEP Oetiker Ear Pincers (SPECIAL ORDER)  


Tubing - Teflon
Where sample integrity is of the highest importance tubing is available in Teflon-Lined.
Code Description
S-LD14TL 1/4 x 0.17 inch (~6 x 4 mm ) Teflon lined LDPE Tubing  
S-LD38TL 3/8 x 1/4 inch (~10 x 6 mm) Teflon lined LDPE Tubing  
S4078/OEP Oetiker Ear Pincers (SPECIAL ORDER)  


Suspension & Safety Wire Line
Stainless Steel wire line or Kevlar cord for suspension and safety tethering of pump.
Code Description
S3001/RG1002 Stainless Steel Flat Rope Grip (For SC1002 cable)  
S3001/SC1002 Stainless Steel Support Cable (100m x 2.0mm - spooled)  
KC2-100 Kevlar Rope (100m x 2mm - spooled)  
KC2-1000 Kevlar Rope (1000m x 2mm - spooled)  


Dedicated Wellheads
The wellhead caps fit directly onto 60 mm OD diameter well lining. Adaptors to fit " 4 inch" nominal diameter well casing are also available. The Wellhead seals in place with an o-ring, and comes with a protective cover. Well caps for 60mm OD linings have a total height above the well lining of 100mm.
Wellhead works
Code Description
S4078/2WH 2 inch (60mm ID) Dedicated Well Head (for 3/8" (9.5mm) or 1/4" (6.4mm) tubing)  
S4078/24WH 2" to 4" Reducer for Well Head  
S3001/DRWHKey Direct Read Well Head Key for Dipper Access Port  


Electronic Pump Control Unit 464 (125 psi)
The Model 464 Electronic Control Unit uses 4 AA batteries and provides 125 psi output. It is fully automatic with preset sample modes from low through high flow settings. In addition, up to 99 unique user-created flow rates can be saved in FRAM memory. The Controller can also be operated manually, which means that even if your batteries run out while you are in the field, you can still obtain a groundwater sample with your compressed air source. The 464 Controller allows faster purge rates and precise low flow control to ensure a representative sample at 100 ml/min or less when sampling for VOCs.

For higher pumping pressures, use the Model 466 Pump Contrl Unit which gives up to 250 psi output.
Solinst 464 Pump Control Unit

Code Description


Electronic Pump Control Unit 466 (250psi)
The Model 466 Pump Control Unit gives up to 250 psi output. Quick-connect fittings allow instant attachment to dedicated well caps, portable reel units and to an air compressor or compressed gas source.

The Solinst Electronic Control Unit model 466 controls the supply of compressed gas to pneumatic pumps. The sampling rates may be selected to ensure a representative low-flow sample at 100 ml/min or less, or higher flow rates for purging may also be chosen.

The Control Unit comes with an In-Line Oil/Moisture Filter to remove any oil and vapour, moisture and particulates down to 0.03 microns. The Control Unit uses 8 AA batteries that can be easily replaced in the field allowing continuous operation for up to 30 hours.
Solinst 466 Pump Control Unit

Code Description
S466/ECU250 Electronic Pump Control Unit (250 psi) inc drive lines and moisture filter  


12v Air Compressor
The 12/24v Koala compressor is an excellent portable and light weight (11kg) compressor. The included crocodile clip connectors allow the user run the compressor directly from a 12v battery or vehicle battery. The unit provides 116psi / 8 bar air source at up to 100 l/min from a 5L air tank.
12v Compressor
Code Description
S407/12VC 12/24V Air Compressor  


Petrol Compressor
The Robin Compressor is one of the smallest Petrol compressors available. This unit has been selected due its compact size and weight of 28kg. The unit provides 145psi / 10 bar air source at up to 380 l/min from a 7L air tank.
Petrol Compressor
Code Description
S407/HEC3 Robin Extreme Compressor/ 3HP / 7L  

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