FIELD: machine building.
SUBSTANCE: present invention relates to machine building, namely, to testing various products operating at high internal pressure. Prior to testing, article is filled with particles of solid loose material with low compressibility by at least 90–95 %. Bulky particles of quartz sand with dimensions of 0.3–0.5 mm are used as particles of solid granular material. Particles can have a spherical shape with diameter of not more than maximum diameter of the hole of the article, be made of metal or polymer material, from metal material with high corrosion resistance.
EFFECT: reduced power consumption during pressure tests of various articles operating at high internal pressure, higher safety of tests.
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