IS 9866-1981

标准号：IS 9866-1981
发布日期：1981/12/1 12:00:00
实施日期：1999/12/31 12:00:00
适用范围：Covers the mandatory and optional marking of industrial valves and states the manner of applying the marking, namely, on the body, on the flange and on an identification plate. Markings on the body may be integral with the body or on a plate distinct from the identification plate mentioned above and securely fixed to the body.These specified markings serve to identify the manufacturer and the valve, as well as to assist in proper application.