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Class Information
Number: 137/115.12
Name: Fluid handling > Self-proportioning or correlating systems > Self-controlled branched flow systems > Bypass or relief controlled by main line fluid condition > Flow rate responsive > Flapper
Description: Subject matter wherein the sensor includes a member supported at one end and moving by the momentum of the fluid in the flow line to operate the bypass or relief valve.










Patents under this class:

Patent Number Title Of Patent Date Issued
6415809 Fluidic valve assemblies having improved fluidic valve mechanisms, and devices operable therewith Jul. 9, 2002
5669405 Apparatus and method for automatically disabling pressure relief valve of backflow preventer Sep. 23, 1997
5150876 Servo valve Sep. 29, 1992
4966198 Metering arrangement Oct. 30, 1990











 
 
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