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  Waterra Inertial Pumps: Micro Flow System and Accessories


This pumping system is highly recommended for purging and sampling from 13 to 16mm ID piezometer tubes. It can be operated manually to approximately 30m achieving flow rates of up to 0.5 l/min.

Normal Operating Parameters
Borehole Diameters 13 to 16mm
Depth of Operation Manual: up to 30m
Powered*: 40 to 60m
Pumping Rate Up to 0.5 l/min
* using PowerPack PP1

For further technical information and applications see:
- Applications Sheet (6 sampling systems, 3 pumping methods)
- Set up and User Guide (field manual, hints & tips)
- Technical Data (physical dimensions & pumping performance)


For more details:
Manual Inertial Pumps
 or
Download as PDF



Micro Flow Stainless Steel Low Profile Foot Valves and Accessories - Internal Fit
The VS stainless steel low profile, round-headed, internal-fitting inertial pump valves provide minimum hydraulic resistence and maximum pumping efficiency. Designed with cutting screw threads, they are simply and quickly attached to tubing using a standard Hex key (supplied separately).
VS 2 Valves
Code Description
VS2-MF Low Profile Stainless Foot Valve for 6mm ID MF tubing (10mm OD)  
VS12-Key Hex Key (4mm) for attaching VS1 and VS2 valves  


Micro Flow HDPE Tubing and Accessories
Micro Flow HDPE tubing for downhole use. Available in two coil sizes which can then be cut to length. Ideal for sampling from 12 to 18 mm diameter piezometer pipes. Use with internal fitting VS2 foot valves.
HDPE Tubing
Code Description
MF-30 MF HDPE tubing (10mm OD x 6mm ID) x 30m coil  
MF-60 MF HDPE tubing (10mm OD x 6mm ID) x 60m coil  


Tubing Cutter with Teflon Blade
The Waterra tube cutter (WTC-1) is faster and safer to use than a hacksaw or utility knife and provides straight, clean cuts to tubing with no burring.
Tubing Cutter
Code Description
WTC-1 Waterra tubing cutter  

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