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Class Information
Number: 137/505.4
Name: Fluid handling > Line condition change responsive valves > With separate connected fluid reactor surface > With opening bias (e.g., pressure regulator) > Reactor surface closes chamber > Valve head in inlet chamber > Reactor surface is inverted cup (float)
Description: Devices in which the reactor surface is a bell or inverted cup floating in a liquid seal.

Patents under this class:

Patent Number Title Of Patent Date Issued
5427143 Gas flow and pressure regulation and control station Jun. 27, 1995

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