NF EN 28233:1991現行
Thermoplastics Valves - Torque - Test Method
出版：Association Francaise de Normalisation
專家解讀視頻
Specifies a test method for determining the closing and opening torque of thermoplastics valves. Applies to all types of thermoplastics valves meant to be used for transporting fluids. Coverage includes definitions, apparatus and procedure.
INDICE DE CLASSEMENT: T54083
SNV NF EN 28233:1991 - Identical
ONORM EN 28233:1991 - Identical
I.S. EN 28233:1991 - Identical
ISO 8233:1988 - Identical
SS EN 28233 Ed. 1 (1991) - Identical
DIN EN 28233 (1991-06) - Identical
BS EN 28233:1992 - Identical
NBN EN 28233:1992 - Identical
UNI EN 28233:1993 - Identical
UNE EN 28233:1992 - Identical
EN 28233:1990 - Identical
