Potápěčská výzbroj - Šnorchly - Bezpečnostní požadavky a zkušební metody (Norma k přímému použití jako ČSN).
NORMA vydána dne 1.8.2016
Designation standards: ČSN EN 1972
Classification mark: 940911
Catalog number: 500040
Publication date standards: 1.8.2016
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: Czech technical standard
Kategorie: Technické normy ČSN
This European Standard specifies safety requirements in order to increase the safety in the use of snorkels for swimmers and divers. This European Standard is applicable to snorkels, which allow users to breathe at the water surface whilst floating with the face submerged. It covers snorkels used by swimmers and divers. This European Standard is not applicable to combined face masks and snorkels, in which the snorkel tube opens into face mask