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Class Information
Number: 137/470
Name: Fluid handling > Line condition change responsive valves > Pop valves > Pop closing valves
Description: Valves in which the auxiliary reactor surface aids in valve closing.










Patents under this class:

Patent Number Title Of Patent Date Issued
8557454 Fuel cell system and reverse flow relief valve Oct. 15, 2013
8245725 Pressure relief device Aug. 21, 2012
8047227 Pressure limiting valve Nov. 1, 2011
4955408 Vacuum-control valve for milking systems Sep. 11, 1990
4778104 Temperature responsive line valve Oct. 18, 1988
RE28842 Unloader valve for spray guns Jun. 8, 1976











 
 
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