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This European Standard specifies requirements for clamp units for hose couplings according to EN 14420-1 for use with hose tails according to EN 14420-2. Maximum working pressure is 25 bar; maximum working temperature is 65 °C. This standard has been prepared by Technical Committee CEN/TC 218 "Rubber and plastics hoses and hose assemblies", the secretariat of which is held by BSI (Great Britain). Regarding the German collaboration Working Committee NA 082-00-02 AA "Schlauchkupplungen" ("Hose couplings") at the Piping and Boiler Plant Standards Committee (NARD) is responsible.
This document replaces DIN EN 14420-3:2005-05 .