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Class Information
Number: 137/505.32
Name: Fluid handling > Line condition change responsive valves > With separate connected fluid reactor surface > With opening bias (e.g., pressure regulator) > Reactor surface separated by apertured partition > Valve stem passes through the aperture > Reactor is an inverted cup having liquid seal > With movement dampener
Description: Devices in which the inverted cup has additional members, or is purposefully shaped, to dampen or retard its movement.

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