Pressure gage mounting apparatus

Claim 1

APPARATUS FOR MOUNTING A PRESSURE GAGE HAVING A GAGE STEM ON A PANEL AND FOR COUPLING THE GAGE STEM WITH A FLUID PRESSURE LINE COMPRISING, A SUPPORT MEMBER MOUNTED ON THE PANEL, MOUNTING MEANS FOR REMOVABLY MOUNTING THE GAGE ON SAID SUPPORT MEMBER, SAID MOUNTING MEANS ADAPTED TO ABSORB SUBSTANTIALLY ALL OF THE MOUNTING STRESS DUE TO THE WEIGHT OF THE GAGE, A SOCKET FORMED IN SAID SUPPORT MEMBER ADAPTED TO RECEIVE THE GAGE STEM AS THE GAGE IS MOUNTED IN ITS OPERATING POSITION ON THE PANEL, AN O-RING SEALING MEMBER MOUNTED ON THE STEM ADAPTED TO SEAL THE STEM IN SAID SOCKET, A PORT IN SAID SUPPORT MEMBER ADAPTED FOR CONNECTION TO A FLUID PRESSURE LINE, A PASSAGEWAY FORMED IN SAID SUPPORT MEMBER LEADING FROM SAID SOCKET TO SAID PORT TO ESTABLISH COMMUNICATION BETWEEN THE GAGE STEM AND THE FLUID PRESSURE LINE, AND TEST MEANS ADAPTED TO PERMIT TESTING THE GAGE WHILE MOUNTED IN OPERATING POSITION ON SAID SUPPORT MEMBER, SAID TEST MEANS INCLUDING A NORMALLY CLOSED VALVE MEANS MOVABLY MOUNTED IN SAID PASSAGEWAY, A THREADED TEST OPENING IN SAID SUPPORT MEMBER COMMUNICATING WITH SAID VALVE MEANS, A PLUG MEMBER ADAPTED WHEN INSTALLED IN SAID OPENING TO OPEN SAID VALVE MEANS AND CONNECT THE GAGE STEM TO THE FLUID PRESSURE LINE FOR NORMAL SERVICE OPERATION, SAID PLUG MEMBER FURTHER ADAPTED WHEN REMOVED TO ALLOW SAID VALVE MEANS TO CLOSE AND SHUT OFF THE FLUID PRESSURE LINE, AND A TEST FITTING ADAPTED WHEN INSTALLED IN SAID TEST OPENING AFTER SAID PLUG HAS BEEN REMOVED TO CONNECT THE GAGE STEM WITH A SOURCE OF TEST PRESSURE FOR TESTING THE GAGE.