FIELD: diving equipment.
SUBSTANCE: invention relates to diving equipment, namely, to diving semi-bell systems. Self-contained oxygen breathing system of the diving semi-bell consists of a high-pressure cylinder with a shut-off valve, a reducer with a pressure gauge and an inhalation hose, a respiratory mask with fastening belts with a back plate and an exhalation hose with a non-return valve. Respiratory mask comprises a built-in breathing apparatus with a face obturator to reduce decompression time.
EFFECT: improved safety of diving labour is achieved when working with a diving half-bell.
1 cl, 2 dwg
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