Small high pressure regulator

Claim 1

A SMALL, HIGH-CAPACITY PRESSURE REGULATOR COMPRISING A GENERALLY HOLLOW BODY HAVING AN INLET AND AN OUTLET, EACH ADAPTED TO DIRECTLY COUPLE WITH PIPE CONNECTOR FITTINGS, A FLEXIBLE DIAPHRAGM PERIPHERALLY SECURED WITHIN SAID BODY TO DEFINE THEREWITH AN INLET CHAMBER AND AN OUTLET CHAMBER, SAID BODY HAVING PORT MEANS FOR VENTING SAID INLET CHAMBER, THE AXIS OF SAID PORT MEANS EXTENDING GENERALLY TRANSVERSELY TO THE AXIS OF FLOW INTO SAID INLET CHAMBER, FIXED ORIFICE-DEFINING MEANS EXTENDING FROM SAID INLET AND CENTRALLY THROUGH SAID DIAPHRAGM INTO SAID OUTLET CHAMBER AND TERMINATING IN A RELATIVELY SHARP ANNULAR VALVE SEAT, SAID DIAPHRAGM BEING CENTRALLY SECURED TO SAID FIXED ORIFICE-DEFINING MEANS SO THAT PRESSURE RESPONSIVE MOVEMENT THEREOF IS LIMITED TO AN INTERMEDIATE ANNULAR DIAPHRAGM AREA BETWEEN SAID ORIFIC-DEFINING MEANS AND THE PERIPHERY OF SAID DIAPHRAGM, SAID ORIFICE HAVING A LARGE AREA WITH RESPECT TO SAID ANNULAR DIAPHRAGM AREA, COIL SPRING MEANS OPERATIVE WITHIN SAID INLET CHAMBER TO BIAS SAID DIAPHRAGM TOWARD SAID OUTLET CHAMBER, A VALVE DISC HOLDER CARRIED BY SAID MOVABLE DIAPHRAGM AREA WITHIN SAID OUTLET HOUSING INDEPENDENTLY OF SAID ORIFICE-DEFINING MEANS AND A RESILIENT VALVE DISC SECURED TO SAID VALVE DISC HOLDER AND MOVABLE THEREWITH TO OPEN AND CLOSE SAID VALVE SEAT.