Geotech 1.66x18, Installation And Operation Manual

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Figure 1-1: Bladder Pump Operation
System Components
A Geotech Portable Bladder Pump consists of four components:
- Bladder Assembly
- Pump Housing
- Internal Tube Assembly
- Intake Screen Assembly
* Optional: Drop Tube Intake Assembly. See Section 7: Replacement Parts List .
Bladder Assembly
The bladders are made from extruded Polyethylene (PE) to provide a long life and to
ensure undisturbed samples in PFAS sampling applications. The internal bladders are
easily replaceable, see
Section 4: System Maintenance .
Pump Housing
The bladder pump housing is constructed of electro polished 316 Stainless Steel. The
black Buna Nitrile O-rings provide the high-pressure seals between the end caps and the
housing tube.
Intake screen
The intake filter screen is constructed of 316 Stainless Steel and is easily removable for
field maintenance. The intake filter screen protects and extends the life of the bladder
material (see
Warranty ).
Optional Drop Tube Intake Assembly
An optional drop tube can be used to sample from depths below the specified maximum
sampling depth. The Drop Tube Assembly connects a remote intake to the pump through
a tube connected to the pump inlet. The intake depth can be any custom length of tubing.
The pump assembly itself must be submerged below the water level. This means the
depth to water cannot exceed the maximum pumping depth of the pump.
Read and understand the portable generator and/or portable air
compressor user manual for proper installation and operation, and
Earth grounding instructions. If using portable compressed gas tanks,
exercise proper caution, use safety protection devices as outlined by
the supplier, and observe any additional safety requirements
mandated by local jurisdiction.
If using a drop tube assembly not provided by Geotech, ensure all
materials are PFAS testing approved. Use of unapproved materials
may contaminate samples.