Application
It is intended for emergency protection of respiratory organs, eyes and head skin of human against dangerous factors of technogenic accidents with emission of chemically dangerous substances, including hydrogen sulphide. PDU-4T can be used in the conditions of atmosphere unsuitable for breathing in transport, gas industry, chemical industry, metallurgical industry, etc. It is designed to be used by people having beard, long hair and glasses. It is an isolating device with chemically bonded oxygen, ready for immediate use for not less than 20 minutes. Temperature range of application is from minus 35°C to plus 40°C.
Composition of self-rescuer PDU-4T:
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Hood with a panoramic glass (field of vision is more than 80%). It has a universal size. It is resistant to vapors of corrosive chemicals and petrochemicals;
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Breathing bag with pressure relief valve;
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Regenerative cartridge with trigger device intended for releasing oxygen in the amount necessary for breathing and absorption of carbon dioxide and moisture from exhaled gas mixture. The design of the trigger device provides instantaneous supply of oxygen to the user;
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Special bag with pictogram and marking, which allows you to apply personal data of user. It can be made with corporate style of the enterprise.
Technical characteristics of PDU-4T:
|
Breakthrough time during moderately severe loads, |
20 |
|
Breakthrough time in a waiting mode, |
60 |
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Volume fraction of carbon dioxide in inhaled gas breathing mixture, |
1.5 |
|
Breathing resistance at breathing in and out, |
|
|
- during pulmonary ventilation 70 lt/min |
1960 (200) |
|
- during pulmonary ventilation 35 lt/min |
980 (100) |
|
Weight of the working section of device, |
1.9 |