Standard

NEK EN IEC 60076-22-7:2020

Sept 2020 Published

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Standard

NEK EN IEC 60076-22-7:2020
Power transformers - Part 22-7: Power transformer and reactor fittings - Accessories and fittings

Sept 2020 Published
Standard

NEK EN 50216-4:2015
Power transformer and reactor fittings - Part 4: Basic accessories (earthing terminal, drain and filling devices, thermometer pocket, wheel assembly)

Feb 2015 Withdrawn
Standard

NEK EN 50216-8:2005/A1:2006
Power transformer and reactor fittings - Part 8: Butterfly valves for insulating liquid circuits

Oct 2006 Withdrawn
Standard

NEK EN 50216-5:2002/A3:2006
Power transformer and reactor fittings - Part 5: Liquid level, pressure and flow indicators, pressure relief devices and dehydrating breathers

Oct 2006 Withdrawn
Standard

NEK EN 50216-8:2005
Power transformer and reactor fittings - Part 8: Butterfly valves for insulating liquid circuits

May 2005 Withdrawn
Standard

NEK EN 50216-5:2002/A2:2005
Power transformer and reactor fittings - Part 5: Liquid level, pressure and flow indicators, pressure relief devices and dehydrating breathers

May 2005 Withdrawn
Standard

NEK EN 50216-5:2002/A1:2002
Power transformer and reactor fittings - Part 5: Liquid level, pressure and flow indicators, pressure relief devices and dehydrating breathers

Dec 2002 Withdrawn
Standard

NEK EN 50216-5:2002
Power transformer and reactor fittings - Part 5: Liquid level, pressure and flow indicators, pressure relief devices and dehydrating breathers

Jan 2002 Withdrawn

Abstract

IEC 60076-22-7:2020 applies to a selection of accessories and fittings mounted on liquid immersed power transformers according to IEC 60076-1 and reactors according to IEC 600766 with or without conservator for indoor or outdoor installation. It outlines the service conditions and the mechanical requirements that are common to all the accessories and fittings. This document also outlines the operation requirements specific to each device as well as the preferred dimensions relevant for interchangeability and the type and routine test to be performed.This document covers an exhaustive selection of the accessories and fittings that are currently used on transformers or reactors.

Document information

Standard from NEK
Published: 1 September 2020
Edition: 2020-06
Version: 1
Document type: NAT
ISBN:

ICS 29.180
National Committee NEK/NK14

Product Relations

Replaces: NEK EN 50216-4:2015
Replaces: NEK EN 50216-8:2005
Replaces: NEK EN 50216-5:2002
Adopted from: EN IEC 60076-22-7:2020 , 0

NEK EN IEC 60076-22-7:2020

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