SS EN 27326 Ed. 1 (1993)被替代

Presents three methods for determining resistance of outer covers of hoses to ozone: Method 1 - for bore sizes up to 25mm carries out on hose itself; Method 2 - for bore sizes above 25mm carried out on piece from hose wall; Method 3 - for bore sizes above 25 mm carried out on a piece from cover. Method 1 or 2 shall normally be used. Method 3 shall be used only if Method 2 cannot be employed. Results from Method 1 may not be comparable with results from Methods 2 and 3.

SS EN ISO 7326 Ed. 1 (2008)

ONORM EN 27326:1993 - Identical

DIN EN 27326 (1993-07) - Identical

BS EN 27326:1993 - Identical

NBN EN 27326:1993 - Identical

ISO 7326:2006 - Identical

I.S. EN 27326:1994 - Identical

NF EN 27326:1993 - Identical

UNI EN 27326:1994 - Identical

UNE EN 27326:1995 - Identical