BS EN 50216-8:2005
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
Power transformer and reactor fittings Butterfly valves for insulating liquid circuits
Hardcopy , PDF
31-08-2023
English
31-01-2007
Important note : Users cannot be edited or removed once added to your Multi user PDF.
1 Scope
2 Normative references
3 Requirements and characteristics
3.1 Description
3.2 Operating characteristics
3.3 Components characteristics
4 Assembly arrangements and dimensions
4.1 Types of assembly
4.2 Overall dimensions
5 Dimensions and types of gaskets, dimensions of gasket
seats
5.1 General
5.2 Gaskets and gasket material
5.3 Admissible operating conditions
5.4 Design criteria for gasket seats - Choice of flange
gaskets
6 Performances
6.1 Tightness of the mounted valve
6.2 Tightness of the butterfly blade
6.3 Operating torque
6.4 Maximum working overpressure with the butterfly valve
in open and closed position
7 Tests
7.1 Tightness of the mounted valve
7.2 Tightness of the butterfly blade
7.3 Operating torque
7.4 Maximum working overpressure with the butterfly valve
in open and closed position
8 Supply conditions
Define valves used on the pipelines, in which the insulating liquid of power transformers or reactors flows, in order to allow the replacement of components, without removing the whole or a large amount of the insulating liquid from the conservator and the tank.
| Committee |
PEL/14
|
| DevelopmentNote |
Supersedes 05/30135971 DC. (03/2006)
|
| DocumentType |
Standard
|
| Pages |
22
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| NF EN 50216-8 : 2005 AMD 1 2006 | Identical |
| SN EN 50216-8 : AMD 1 2006 | Identical |
| NBN EN 50216-8 : 2005 AMD 1 2007 | Identical |
| DIN EN 50216-8 : 2007 | Identical |
| UNE-EN 50216-8:2006 | Identical |
| NEN EN 50216-8 : 2005 AMD 1 2006 | Identical |
| I.S. EN 50216-8:2005 | Identical |
| EN 50216-8 : 2005 AMD 1 2006 | Identical |
| EN 50216-8:2005 | Identical |
| EN 50216-8:2005/A1:2006 | Identical |
| IEC 60335-2-81:2002/AMD1:2007 | Identical |
| EN 50216-1:2002 | Power transformer and reactor fittings - Part 1: General |
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