BS EN 28233:1992現行
Thermoplastics valves. Torque. Test method
出版：British Standards Institution
專家解讀視頻
Defines a test method for the determination of the opening and closing torque of thermoplastics valves.
? British Standards Institution 2013
Document identifier notes:
Also numbered BS 2782-11:Method 1131:1992.
EN 28233:1990 - Identical
ONORM EN 28233:1991 - Identical
DIN EN 28233 (1991-06) - Identical
BS 2782-11.1131:1992 - Equivalent
NBN EN 28233:1992 - Identical
I.S. EN 28233:1991 - Identical
NF EN 28233:1991 - Identical
UNI EN 28233:1993 - Identical
ISO 8233:1988 - Identical
UNE EN 28233:1992 - Identical
SS EN 28233 Ed. 1 (1991) - Identical
