Valve element
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United States of America Patent
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Dec 5, 2006
Issued Date -
N/A
app pub date -
Apr 10, 2003
filing date -
Apr 19, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Valve element (10), comprising a main body, at least one inlet (101) and at least one outlet (102), a passage connecting the inlet and outlet, at least one burst disk (rupture disk) (13) or equivalent, which, when unbroken, closes the passage from inlet to outlet, and a piston element (15) provided with a piercing element (14) or the like for piercing the burst disk. The piston element (15) is provided with a passage (17) for a pressure medium, said passage extending axially through the piston element from one first side to one second side, that the piston element is provided with a second burst disk or equivalent which, when unbroken, closes the passage (17) provided in the piston element.
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