SIS SS IEC 534-5-1984 工业过程控制电子管标识

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标准号:SIS SS IEC 534-5-1984
中文标准名称:工业过程控制电子管标识
英文标准名称:I'ndustrial-process control valves — Marking
发布日期:1984/9/15 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:This standard specifies mandatory and supplementary markings of control valves. Some mandatory markings may be inappropriate for some valves of very special design, and some supplementary markings may be appropriate only to specific types of control valves. It is recommended that the marking of all valves conform to this standard whenever possible unless otherwise agreed between manufacturer and purchaser.Mandatory markings shall be located in such a way that markings remain permanently. Mandatory markings shall be integral with the valve body or on a plate (distinct from an identification plate) securely fixed to the body.The location of supplementary markings is also specified. Usually these are on an identification plate.This Part 5 supersedes Clause 7 of IEC Publication 534-1: Industrial-process Control Valves, Part 1: General Considerations.

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