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Help CenterCE Approved Self-Contained Oxygen Self-Rescuer K-Sb30 30-Minute
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Characteristics and Application
K-SB30 chemical oxygen self-rescuer(Hereinafter referred to as self-rescuer) is a personal breathing protector based on the principle of oxygen generated from chemical reaction, with the characteristics of rapid generation of oxygen at initial stage, mouthpiece with low temperature, safe and comfortable to wear, etc. It is applied in the environment where disasters like gas explosion, coal dust explosion, fire, gas outburst and other disasters occur in underground coal mines, causing poisonous and noxious gases or lack of oxygen for people to wear in time and withdraw from the disaster area for escape.
Structure and working principle
1) Structural features：
Figure 1 (Exterior view)
1. Protective cover 2.Humidity indicating window 3.Certification nameplate
4. Belt buckle 5.Bottom 6.Model nameplate 7.Upper canister 8. LOGO nameplate 9. Locking strip 10.Lower canister
Figure 2 (Casing removed)
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Heat insulation pad 2.Chemical pot 3.Oxygen candle pull ring 4.Breathing hose 5.Mouthpiece radiator 6.Nose clip 7.Mouthpiece and mouthpiece stuff 8.Neck band 9.Goggles 10.Vent valve 11.Single ear stepless clamp 12.Gasbag
Working principle
K-SB30 chemical oxygen self-rescuer adopts the reciprocating respiratory system, isolating breathing system from external air during use, without being affected by the ambient nocuous gases. When the exhaled air from human body enters the chemical pot, there will be a chemical reaction with the oxygen generating chemical to produce oxygen which will enter the gasbag; when inhaling, the gas in the gasbag is inhaled into the body after passing through the chemical pot. The reaction equations are as follows:
Exhaling path：exhaling→ mouthpiece→ mouthpiece radiator→ breathing hose →chemical pot (water vapor & carbon dioxide in the exhaled air react with oxygen generating chemical to generate oxygen) → gasbag
Inhaling path： O2 gas mixture in the gasbag →oxygen generating chemical pot→ breathing hose→ mouthpiece radiator →mouthpiece →human lung
When the oxygen generated by oxygen generating chemical exceeds the human body's oxygen consumption volume, the pressure inside the gasbag will gradually increases. If the pressure reaches the opening pressure of vent valve, the valve will automatically open to vent excess gases. When the gasbag pressure is lower than the opening pressure of vent valve, the valve will automatically close to ensure normal breathing.
The main characteristics of the apparatus self-rescuer type K-SB30 are indicated in the following table:
The apparatus is mainly for underground mine use, and pass the test according to EN 13794:2002 – Annex A.
1) Marking
Each container is marked with the following indication (i.e. of marking) where are indicated the main information:
Manufacturer: Shaanxi ASTTAR Explosion-proof Safety Technology Co., Ltd
Product name: Isolated chemical oxygen self-rescuer
Product type: Type K
Rated duration time: 30 min
Product model: K-SB30
Executive standard: EN 13794:2002;
Serial No.
Production date
CE marking
Notified body number for production control audit: Eurofins Product Testing Italy S.r.l. NB 0477. Via Cuorgne n.21-10156-TORINO-ITALY.
Check
On each apparatus K-SB30 self-rescuer are indicated with the following pictogram in order to don it clearly:
Description of the check that the user must do before the use:
- Whether the color change for humidity indication card
- The completeness of the protective cover
- The completeness of sealing strip
Basic information about the product
1) The product is researched, developed and manufactured by Shaanxi ASTTAR Explosion-proof Safety Technology Co., Ltd.
2) The product is marked CE according to the Regulation 2016/425/EU and passed the tests according to international certification Standard No.EN13794:2002.
3) The product is named as K-SB30 chemical oxygen self-rescuer.
4) See the nameplate for the production batch and production date of the product; the storage life of the product is classified into two categories: Category 1: carrying time: 5 years; Category 2: storage time: 10 years
5) The maximum surface temperature during the use of the product is 200oC.
Diagram for Use
Attention
1) Make sure to bite the mouthpiece tightly and clamp the nose clip well when wearing the self-rescuer to withdraw from the disaster area. Never take down the mouthpiece or the nose clip midway; do not touch the metal surface of the canister directly during use to avoid scalding.
2) The oxygen generated by oxygen generating chemical is drier and hotter than environmental air but it is harmless to human body.
3) Don’t press the gasbag when wearing self-rescuer in case of damage or air leakage.
4) Operate accurately and quickly when wearing self-rescuer. All the users must be trained and passed the professional examination before being equipped with a self-rescuer. If irritation/allergy to mouthpiece occurs during training process, please do not use the product.
5) When the self-rescuer is used together with another Personal Protective Equipment/instrument, the user has to check whether the reciprocal protective features are respected.
Maintenance
1) One must carry the self-rescuer along with oneself and avoid colliding. To use it as a seat cushion is strictly prohibited.
2) Never open the self-rescuer randomly if not for use.
3) Make sure to check if there is any damage or collision concave on the surface of self-rescuer before carrying it. If anything abnormal is found, deliver the self-rescuer to the relative department to check in time.
4) Self-rescuer is one-off equipment; a used self-rescuer has been scrapped and cannot be used again.
5) Observe the humidity paper via the observing window. If its color changes from brown to white, it indicates that the product cannot be used.
6) Self-rescuer should be carried along with the user; check the belt buckle to make sure it is safe and reliable before use.
7) Air tightness of self-rescuers should be checked uniformly every three months; besides, observe whether there is color change of humidity paper.
8) For overdue and scrapped chemical oxygen self-rescuer, professional staff should open the canister, dismount the gasbag components, and flush the inside oxygen generating chemical first before disposal. Never litter chemical pots or chemicals in case of a fire or other accidents.
9) Our company does not provide spare parts; if there is damage to the product part, then the product shall be scrapped.
10) Users shall not change the product structure without authorization; users shall not assemble without permission once the self-rescuer is opened.
Components of whole set
1) Self-rescuer 1pc
2) Operation manual 1pc
Transportation and storage
1) Self-rescuers can be transported by land, water, air and all kinds of ways. When transported, it is necessary to prevent violent collision, pressure, sun & rain exposure and cased together with corrosive substances.
2) Self-rescuers should be stored in a ventilated warehouse free of corrosive gases, water drop and liquids with relative air humidity no more than 90% and a temperature between 0 and 40oC .
Certificate
About Us
ASTTAR - a high-tech enterprise, founded in 1995, is engaged in the development and production of software and hardware products in the professional field of safety emergency, it has six series and over a hundred types of products, its sales network covers the whole country, and its products are exported to dozens of countries and regions.
The company has a sound management system, has established a safety production management system with quality management as its core, it has passed ISO9001 quality management system, ISO14000 environmental quality management system, and OHSAS18001 occupational health and safety management system certifications, and has been awarded the title of "Shaanxi Province Quality Service Credit AAA-level Unit".
The company initiated the establishment of "Shaanxi ASTTAR Incubator Co., Ltd.", " Shaanxi Safety Industry MetrologyTesting Co., Ltd.", and "Shaanxi Province Safety Industry Research Institute Co., Ltd.", and created a safety emergency industry supporting service system with ASTTAR as the core, devoting to creating an industry ecological industry chain, and striving to build ASTTAR into a respected international and professional company.
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