Self-flushing ball seal disconnect

Valves and valve actuation – With correlated flow path – Valve operated by joining flow path sections

Patent

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Details

137322, 285377, F16L 3728

Patent

active

041935764

ABSTRACT:
A self-flushing ball seal disconnect coupling assembly for use in field irrigation systems, or other fluid distribution systems, comprises two parts which mate together axially. The first part, which contains a valve ball, is connected to the lateral, or field supply line, or other fluid supply line. The ball is urged by spring fingers and fluid pressure toward a sealing position, which it assumes when the first part is disconnected from the second part, the latter having a nose member which, under coupling conditions, pushes the ball off its seat thereby releasing flow of fluid through the coupling assembly. A clamping ring assembly surrounds the abutting ends of the first and second parts and locks said parts in axially aligned mating positions. The second part is connected to an upright, or irrigation head, or other element to be supplied with fluid.

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