UNE EN 28233:1992現行
Thermoplastic Valves - Torque - Test Method
出版：Asociacion Espanola de Normalizacion
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.
SS EN 28233 Ed. 1 (1991) - Identical
ISO 8233:1988 - Identical
UNI EN 28233:1993 - Identical
NF EN 28233:1991 - Identical
I.S. EN 28233:1991 - Identical
NBN EN 28233:1992 - Identical
BS EN 28233:1992 - Identical
DIN EN 28233 (1991-06) - Identical
ONORM EN 28233:1991 - Identical
EN 28233:1990 - Identical
