US PATENT SUBCLASS 137 / 493.7
.~.~ Axes of ports perpendicular

Current as of: June, 1999
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137 /   HD   FLUID HANDLING

455  DF  LINE CONDITION CHANGE RESPONSIVE VALVES {11}
493  DF  .~ Bi-directional flow valves {4}
493.7.~.~ Axes of ports perpendicular

DEFINITION

Classification: 137/493.7

(under subclass 493) Apparatus wherein the axis of one valve port is perpendicular to the axis of the second valve port. Port as used herein is the inlet or outlet provided with the valve seat.