Geopro S.A.
Geopro - Model ZI (28 - 102 mm) -Inflatable Single and Double Packers
FromGeopro S.A.
The single and double packers are mainly used for cement grouting and permeability testing. The basic components of single packers are, dilatable element S mounted on a metal structure WT with a sliding end SE. The cement grouting it’s done through the central tube CP made of stainless steel and inflation adapter IA.
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The length L of the dilatable elements depends on the application requirements.
Standards lengths are :
- L.300 mm for Ø28, 30 and 42mm packers
- L.500 and 1000 mm for Ø28, 30, 42, 56, 72, 85, 102,130 and 170mm packers
- L.1000 for Ø210, 255 y 285 mm packers
Other lengths are also available on request.
The single packers can be easily transformed into ZI Just unscrew the sliding end from the single packer and replace it with the CE element, Complete the installation by screwing a standard inflatable element S (sleeve) and a plug PL on the lower part of the packer
The perforated CE central element from Ø 56mm to Ø 170mm consists of a compact and perforated tube, with a diameter identical to the whole packer assembly.
This design makes the double packer ZI extremely robust and the external flush O.D. is particularly well adapted to micropiles grouting and water pressure tests.
With Ø 28, 30 and 42mm packers, the narrow space between the two packer elements does not allow to use the same tubular design.
Here, the CE element consists of 4 pipes, two of which are used for inflation of the lower packer.
A special characteristic of these packers is that the injection zone (IZ) length remains constant after inflation.
