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The principle<br />
One basic concept<br />
Two types of STRAUB coupling<br />
One unique technical principle: two basic types, but<br />
with innumerable applications, wherever pipes have to<br />
be joined together - that is the secret of STRAUB pipe<br />
joints. Based on the well-proven coupling technology,<br />
we combine different pipe materials for optimum solutions<br />
for customers.<br />
Their safety and reliability have been examined and<br />
certificated by public authorities, insurance companies,<br />
technical inspectorates and licensing institutions for all<br />
the major industrial sectors in most industrial countries.<br />
You can rely on STRAUB couplings.<br />
Properties<br />
The progressive sealing effect<br />
As the pressure in the pipe increases, so does the<br />
force on the sealing lips, due to the flow through the<br />
pressure equalisation channel.<br />
The progressive anchoring effect<br />
As the axial loading on the pipe increases due to in<br />
creased internal pressure or external influences, the<br />
teeth bite even deeper into the pipe to compensate.<br />
The penetration depth of the anchoring ring teeth under<br />
pressure is 0.1 – 0.3 mm.<br />
4 Technical Manual 2012/01<br />
STRAUB-GRIP STRAUB-FLEX<br />
Pull-out resistant Axially <strong>flex</strong>ible
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