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NS-EN ISO 23553-1:2022

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Abstract

This document specifies safety, constructional and performance requirements and testing of automatic and semi-automatic valves for oil. It applies to automatic and semi-automatic valves which are: —    normally closed; —    used in combustion plants to interrupt the oil flow with or without delay on closing; —    for use with oil types (e.g. middle distillate fuel oil, crude oil, heavy fuel oil or kerosene) without gasoline; NOTE 1    For other oil types (e.g. oil emulsions), additional test methods can be agreed between the manufacturer and the test authority. NOTE 2    Oil types from petroleum refining processes are classified ISO-F-D in ISO 8216-99 and form part of a device having other function(s), such as oil pumps. In this case, the test methods apply to those parts or components of the device forming the automatic and semi-automatic valves, i.e. those parts which are necessary for the closing function. —    for use on burners or in appliances using oil; —    directly or indirectly operated, electrically or by mechanical or hydraulic means; —    fitted with or without closed-position indicator switches. This document covers type testing only.

Document information

  • Standard from SN
  • Published:
  • Edition: 2022-02
  • Version: 1
  • Document type: NAT
  • ICS 27.060.10
  • National Committee CEN/TC 131

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