
Industrial Valves - Method For Sizing The Operating Element
出版:Asociacion Espanola de Normalizacion

专家解读视频
The requirements for establishing the minimum size of the operating element supplied with an industrial valve having regard for the force applied by one person to operate the valve under specified working conditions are defined in this standard. Applicable to manual operating elements of sizes from 100 mm to 1 000 mm: mounted on valve reduction gearboxes; directly mounted on valves; used for manual operation of power actuated valves. Is not applicable to T-keys, chainwheels or impactor handwheels.
ONORM EN 12570:2000 - Identical
DIN EN 12570 (2000-10) - Identical
BS EN 12570:2000 - Identical
SN EN 12570:2000 - Identical
NEN EN 12570:2000 - Identical
NF EN 12570:2001 - Identical
NBN EN 12570:2000 - Identical
UNI EN 12570:2001 - Identical
I.S. EN 12570:2000 - Identical
NS EN 12570 Ed. 1 (2000) - Identical
SS EN 12570 Ed. 1 (2000) - Identical