金属波纹管弯曲后抗渗漏试验装置试验方法@2021年产品说明书

MTSH-18 type metal bellows after bending anti-leakage test device test production:

The length of specimen of MSH-18 type metal bellows after bending anti-leakage test device is 1500mm, ａnd the specimen is bent into a circular arc. The radius of curvature of the round tube R should be 30 times of the nominal inner diameter of the round tube, ａnd the radius of curvature of the short axis of the flat tube R should be 4000mm.

MSH-18 type metal bellows after bending anti-leakage test device test method:

MSH-18 type metal bellows bending anti-leakage test device specimens placed vertically, the lower end of the seal, water cement ratio of 0.50 ordinary silicate cement slurry filled with specimens, observe the surface leakage for 30min, can also be filled with water, if the specimens do not seepage, can no longer cement slurry test.

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