| 摘要 |
PROBLEM TO BE SOLVED: To provide a flange connection unit with low price, high shock resistance, and realizing a small size and light weight. SOLUTION: This flange connection unit connecting a flange part of a differential pressure measuring device and a flange part of an introduction device of a measuring target fluid has a pressure cover flange in which one surface covers the surface of the flange part of the differential pressure measuring device so as to constitute an introducing pressure chamber with a seal diaphragm, a portion of the flange on one surface side is fit to the flange part of the differential pressure measuring device, has a flange size adapting to the flange part of the differential pressure measuring device, and the other surface covers the surface of the flange part installed in the introduction device, a portion of the flange on the surface side is fit to the flange installed in the introducing device, has a flange size adapting to the flange installed in the introduction device; and a communication hole in which one end is communicated with the introducing pressure chamber installed in the pressure cover flange and the other end is communicated with the measuring target fluid through the flange part installed in the introduction device. COPYRIGHT: (C)2003,JPO
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