raised-face flange 凸面法兰
flat-face flange 平面法兰
raised face flange 突面法兰 ; 凸面法兰 ; 光滑式密封面法兰
Narrow Face Flange 窄面法兰
wide contact face flange 宽面法兰
face-flange 平面法兰
tongue and groove face flange 榫槽面法兰 ; 槽榫面法兰
Full Face Flange 宽面法兰
narrow contact face flange 窄面法兰
SRFF Socket Raised Face Flange 承插凸面法兰
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Using the helium mass-spectrometer leak detector to detect the leak of seams between the tube and face-flange and measure the total leakage rate are introduced in this paper.
介绍了核电站蒸汽发生器管子-管板焊缝的氦质谱检漏及总漏率测试方法的研究及为提高检测灵敏度所采取的措施。
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