Patent ID: 6918303

Claim:
A pressure transmitter apparatus comprising: A. unitary body having, in a first orientation, (1) a vertical surface extending along a first vertical axis and apertured with first and second pressure openings disposed at substantially the same vertical location along a first horizontal axis on opposed faces of said vertical surface, and (4) a transducer mounting coupled to said body and located, in said first orientation, vertically above said pressure openings, B. a diaphragm forming first and second process diaphragms respectively closing said first and second pressure openings, C. first and second flanges removably and replaceably secured to said body overlying said diaphragm, said first and second flange apertured to form respective first and second pressure chambers adjacent said diaphragm, said first and second flange forming respective first and second pressure ports extending vertically within said first and second flange to intersect with said first and second pressure chambers for coupling first and second pressure inputs to said first and second process diaphragms, respectively, D. first and second pressure passages vertically extending at least partly within said body for communicating respectively between said first and second pressure openings and said transducer mounting, where each of said first and second flanges includes a selectively closed first passageway extending horizontally within said first and second flanges to intersect with said first and second pressure chambers, respectively, and being offset vertically and horizontally from said first horizontal axis, and where each of said first and second flanges includes a selectively closed second passageway extending horizontally within said first and second flanges to intersect with said first and second pressure chambers, respectively, and being offset horizontally from said first horizontal axis opposite from said first passageway, such that at least one of said first passageway and said second passageway are disposed for at least one of purging gas and draining liquid based on the orientation of said transmitter apparatus.