专利名称：TESTING DEVICE FOR PRESSURE-TIGHTNESS AND LEAKAGE
发明人：TAKAYAMA TAKUJI
申请号：JP16745183
申请日：19830913
公开号：JPS6060526A
公开日：
19850408
专利内容由知识产权出版社提供
摘要：PURPOSE:To obtain a high-reliability device of simple structure for a pressure-tightness and leakage test by aling the gap between a sleeve fixed to the through-hole of a partition body, etc., and piping running through the sleeve with a bellows asmbly, and blocking the piping with a al cap at the other terminal. CONSTITUTION:The sleeve 11 is embedded fixedly in the through-hole 10a of the diaphragm floor 10 between a pressure suppression chamber 1 and a dry well 2. The outer circumference of the extended part of a main steam relief valve discharge pipe 7, piercing the sleeve 11, which is extended toward the dry wall 2 is covered airtightly with the bellows asmbly 13, and its lower end is fitted airtightly in the upper end part of the sleeve 11. The pipe is blocked airtightly through the al cap 15 and a flange 16 provided to the discharge tube 7. Pressurized air is injected from a test tap provided to the bellows asmbly 13 to detect defects on weld lines A and B. Thus, the pressure-tightness and leakage testing device of simple structure with high reliability is obtained.
申请人：TOSHIBA KK
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