PRESSURE REGULATING VALVE WITH PISTON

A pressure regulating valve includes a body having a pressure regulating chamber into which a working liquid flows and an attachment hole fluidly coupling with the pressure regulating chamber, a valve seat assembly fitted in the attachment hole, wherein the valve seat assembly includes a surplus liq...

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Bibliographische Detailangaben
1. Verfasser:	TOJO, Nobuo
Format:	Patent
Sprache:	eng
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
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Beschreibung
Zusammenfassung:	A pressure regulating valve includes a body having a pressure regulating chamber into which a working liquid flows and an attachment hole fluidly coupling with the pressure regulating chamber, a valve seat assembly fitted in the attachment hole, wherein the valve seat assembly includes a surplus liquid discharge path fluidly coupled with the pressure regulating chamber, a piston configured to open and close an opening of the surplus liquid discharge path in the pressure regulating chamber, a valve seat seal forming a seal between the valve seat assembly and the body in the attachment hole in a liquid-tight manner and a return flow path fluidly coupling an inside of the attachment hole to the surplus liquid discharge path. Wherein the valve seat seal is located between the return flow path and the pressure regulating chamber.