Class Information
Number: 137/540.11
Name: Fluid handling > Line condition change responsive valves > Direct response valves (i.e., check valve type) > Reciprocating valves > Spring biased > Spring coaxial with valve > Broken valve parts retainer
Description: Valves having retaining means for broken valve parts, e.g., an auxiliary chamber or stop on the valve stem by means of which broken valve parts are prevented from entering the cylinder of compressors, etc.
Patents under this class:
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