• There are no items in your cart

99/715322 DC : DRAFT NOV 99

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by

PREN 12952-11 - WATER-TUBE BOILERS - PART 11: REQUIREMENTS FOR LIMITING DEVICES AND SAFETY CIRCUITS OF THE BOILER AND ACCESORIES

Superseded date

31-08-2007

Superseded by

BS EN 12952-11:2007

Published date

23-11-2012

Sorry this product is not available in your region.

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Superseded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

PREN 50156-1 : DRAFT 2012 ELECTRICAL EQUIPMENT FOR FURNACES AND ANCILLARY EQUIPMENT - PART 1: REQUIREMENTS FOR APPLICATION DESIGN AND INSTALLATION
IEC 61082-1:2014 RLV Preparation of documents used in electrotechnology - Part 1: Rules
EN 60742:1995 Isolating transformers and safety isolating transformers - Requirements
IEC 60770:1984 Methods of evaluating the performance of transmitters for use in industrial-process control systems
IEC 60529:1989+AMD1:1999+AMD2:2013 CSV Degrees of protection provided by enclosures (IP Code)
EN 60529:1991/AC:2016-12 DEGREES OF PROTECTION PROVIDED BY ENCLOSURES (IP CODE) (IEC 60529 EDITION 2.2 CORRIGENDUM 2:2015)
IEC 60664-1:2007 Insulation coordination for equipment within low-voltage systems - Part 1: Principles, requirements and tests
EN 60730-1:2016 Automatic electrical controls - Part 1: General requirements
1997/23/EC : 1997 DIRECTIVE 97/23/EC OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL OF 29 MAY 1997 ON THE APPROXIMATION OF THE LAWS OF THE MEMBER STATES CONCERNING PRESSURE EQUIPMENT

Access your standards online with a subscription

Features

  • Simple online access to standards, technical information and regulations.

  • Critical updates of standards and customisable alerts and notifications.

  • Multi-user online standards collection: secure, flexible and cost effective.