art-turn valve actuators
ower transmission systems;Safety requirements;Specification (approval);Valves【摘要】: This European Standard provides requirements for metallic mounting kits for part-turn on-off valves andactuator attachments to enable safe and reliable operation.It includes all components transmitting torques from actuators to valves with a maximum flange torque up to16 000 Nm (up to F30 flange type).It applies to part-turn valves and actuators having attachment flanges and drive components as described inEN ISO 5211.It includes recommendations and methods for design and environmental corrosion protection.When reference is made to this European Standard, all the requirements apply, unless otherwise agreedbetween the purchaser and the manufacturer/supplier, prior to order.For the scope of this European Standard, the term "Valve" covers valve or shaft extension top-flange.【中国标准分类号】: J16【国际标准分类号】: 23_060_99【页数】: 20P.;A4【正文语种】: 英语 | 欢迎光临 世界资料网论坛 (http://bbs.infoeach.com/) | Powered by Discuz! X2.5 |