Senniger Irrigation Inc.

Jerry D Gerdes

Mark Healy

A fluid pressure regulator for adjusting the pressure of fluid passing through a pipe is provided for use with irrigation sprinklers or the like. The pressure regulator has a housing having a passageway therethrough, which has a throttling stem slidably mounted in the housing passageway and having a passageway therethrough. A compression spring is mounted between the throttling stem and the housing to bias the throttling stem relative to the housing. A throttling stem seat is attached in the passageway through the housing and has a passageway therethrough and has the end of a throttling member extending thereinto for adjusting the passageway through the throttling member seat so that fluid pressure is adjusted between the input and output of the fluid pressure regulator. A throttling stem dampening member or pressure controller is mounted in the passageway to dampen oscillations in the throttling stem by limiting access of fluid to an annular chamber formed by the pressure controller, upper housing, throttling stem and diaphragm, to thereby dampen variations in fluid pressure against one end of the throttling stem.

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Orlando, FL, United States of America

Jerry D Gerdes