99/715322 DC : DRAFT NOV 99
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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PREN 12952-11 - WATER-TUBE BOILERS - PART 11: REQUIREMENTS FOR LIMITING DEVICES AND SAFETY CIRCUITS OF THE BOILER AND ACCESORIES
23-11-2012
31-08-2007
Foreword
1 Scope
2 Normative references
3 Definitions
3.1 Limiter
3.2 Fail-Safe
3.3 Self-Monitoring
3.4 Redundancy
3.5 Diversity
4 Requirements for limiters
4.1 General
4.2 Materials and design
4.3 Electrical equipment
4.4 Fault assessment
5 Special requirements for water limiters
5.1 Components
5.2 Design
5.3 Floating devices
5.4 Level electrode devices
5.5 Examination of functional capability
5.6 Fault Detection
6 Special requirements for pressure limiters
6.1 Components
6.2 Additional requirements regarding 4.4 "Fault
assessment"
6.3 Design
6.4 Electrical equipment
6.5 Examination of functional capability
6.6 Fault detection
7 Special requirements for temperature limiters
7.1 Components
7.2 Design
7.3 Electrical equipment
7.4 Examination of functional capability
Annex A (informative) Limiting safety devices
Annex B (informative) EC-Type examination plan
Annex C (informative) Marking of limiters
Annex ZA (informative) Clauses of this European
Standard addressing essential or other
provisions of the Pressure Equipment
Directive
| Committee |
PVE/2
|
| DocumentType |
Draft
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| PREN 12952-11 : DRAFT 99 | Identical |