I.S. EN 12078:1999
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
ZERO GOVERNORS FOR GAS BURNERS AND GAS BURNING APPLIANCES
Hardcopy , PDF
18-04-2011
English
01-01-1999
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
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Foreword
1 Scope
2 Normative references
3 Definitions
4 Units of measurement
5 Construction requirements
5.1 General
5.2 Materials
5.3 Connections
5.4 Seals for glands for moving parts
5.5 Pressure test nipples
6 Performance requirements
6.1 General
6.2 External leak-tightness
6.3 Torsion and bending
6.4 Durability
6.5 Zero governor performance
6.6 Endurance
6.7 Lock-up pressure
6.8 Response time
7 Test methods
7.1 Mounting position
7.2 Test conditions
7.3 External leak-tightness
7.4 Torsion and bending
7.5 Durability
7.6 Zero governor performance test
7.7 Pressure drop (fully open)
7.8 Endurance
7.9 Lock-up pressure
7.10 Dynamic response test
8 Marking, installation and operating instructions
8.1 Marking
8.2 Installation, operating and servicing instructions
8.3 Warning notice
Annex ZA (informative) Clauses of this European Standard
addressing essential requirements or other provisions
of EU Directives
Defines the safety, constructional and performance requirements for zero pressure governors, known as zero governors, intended for use with gas appliances.
| DocumentType |
Standard
|
| Pages |
28
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| SN EN 12078 : 1999 | Identical |
| NS EN 12078 : 1ED 1999 | Identical |
| UNI EN 12078 : 2000 | Identical |
| NBN EN 12078 : 1998 | Identical |
| NEN EN 12078 : 1998 | Identical |
| BS EN 12078:1998 | Identical |
| UNE-EN 12078:1999 | Identical |
| NF EN 12078 : 1998 | Identical |
| EN 12078:1998 | Identical |
| DIN EN 12078:1998-12 | Identical |
| ISO 274:1975 | Copper tubes of circular section — Dimensions |
| ISO 262:1998 | ISO general purpose metric screw threads — Selected sizes for screws, bolts and nuts |
| ISO 68:1973 | ISO general purpose screw threads Basic profile |
| ISO 7-1:1994 | Pipe threads where pressure-tight joints are made on the threads Part 1: Dimensions, tolerances and designation |
| ISO 65:1981 | Carbon steel tubes suitable for screwing in accordance with ISO 7-1 |
| ISO 301:2006 | Zinc alloy ingots intended for castings |
| ISO 228-1:2000 | Pipe threads where pressure-tight joints are not made on the threads Part 1: Dimensions, tolerances and designation |
| EN 60730-1:2016 | Automatic electrical controls - Part 1: General requirements |
| ISO 1817:2015 | Rubber, vulcanized or thermoplastic Determination of the effect of liquids |
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