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Class Information
Number: 137/505.2
Name: Fluid handling > Line condition change responsive valves > With separate connected fluid reactor surface > With opening bias (e.g., pressure regulator) > With protective separator
Description: Devices relating to the control of gas or vapor and having a distinct reactor surface chamber and connecting passage to the flow line whereby a liquid seal is provided which prevents line gas or vapor from directly contacting the reactor surface.










Patents under this class:

Patent Number Title Of Patent Date Issued
7111653 Expansion tank Sep. 26, 2006
5787883 Spring-free pressure regulator with structure isolating exhaled air from valve Aug. 4, 1998











 
 
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