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UNE-EN 13136:2014

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Refrigerating systems and heat pumps - Pressure relief devices and their associated piping - Methods for calculation

Available format(s)

Hardcopy , PDF

Superseded date

07-03-2019

Language(s)

Spanish, Castilian, English

Published date

11-12-2014

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 General
6 Pressure relief devices for protection of system
  components
7 Discharge capacities of pressure relief devices
Annexes
A (normative) Values of functions, factors and
                 properties of refrigerants
B (informative) Calculation of flow areas for
                 non-evaporating and evaporating liquids
C (informative) Example of calculation for sizing
                 pressure relief devices with the
                 corresponding pipes
ZA (informative) Clauses of this European Standard
                 addressing essential requirements or
                 other provisions of EU Directives
Bibliography

Describes the calculation of mass flow for sizing pressure relief devices for components of refrigerating systems. Describes the calculation of discharge capacities for pressure relief valves and other pressure relief devices in refrigerating systems including the necessary data for sizing these when relieving to atmosphere or to components within the system at lower pressure. Specifies the requirements for design and selection of pressure relief devices to prevent excessive pressure due to internal and external heat sources, the sources of increasing pressure (e.g. compressor, heaters, etc.) and thermal expansion of trapped liquid. Describes the calculation of the pressure loss in the upstream and downstream line of pressure relief valves and other pressure relief devices and includes the necessary data.

Committee
CTN 100
DocumentType
Standard
Pages
36
PublisherName
Asociacion Espanola de Normalizacion
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
NEN EN 13136 : 2013 Identical
NF EN 13136 : 2013 Identical
NBN EN 13136 : 2013 Identical
SN EN 13136 : 2014 Identical
UNI EN 13136 : 2014 Identical
EN 13136:2013 Identical
BS EN 13136 : 2013 Identical
I.S. EN 13136:2013 Identical
ONORM EN 13136 : 2013 Identical
NS EN 13136 : 2013 Identical
DIN EN 13136:2013-12 Identical

EN 12284 : 2003 REFRIGERATING SYSTEMS AND HEAT PUMPS - VALVES - REQUIREMENTS, TESTING AND MARKING
ISO 4126-1:2013 Safety devices for protection against excessive pressure — Part 1: Safety valves
EN ISO 3104:1996 Petroleum products - Transparent and opaque liquids - Determination of kinematic viscosity and calculation of dynamic viscosity (ISO 3104:1994)
EN 378-1:2016 Refrigerating systems and heat pumps - Safety and environmental requirements - Part 1: Basic requirements, definitions, classification and selection criteria
EN 378-3:2016 Refrigerating systems and heat pumps - Safety and environmental requirements - Part 3: Installation site and personal protection
IEC 60204-1:2016 Safety of machinery - Electrical equipment of machines - Part 1: General requirements
EN 764-1:2015+A1:2016 Pressure equipment - Part 1: Vocabulary
ISO 6708:1995 Pipework components Definition and selection of DN (nominal size)
EN ISO 6708:1995 Pipework components - Definition and selection of DN (nominal size) (ISO 6708:1995)
EN 12693:2008 Refrigerating systems and heat pumps - Safety and environmental requirements - Positive displacement refrigerant compressors
ISO 4126-2:2003 Safety devices for protection against excessive pressure Part 2: Bursting disc safety devices
EN 764-2:2012 Pressure equipment - Part 2: Quantities, symbols and units
ISO 817:2014 Refrigerants Designation and safety classification
EN 378-2:2016 Refrigerating systems and heat pumps - Safety and environmental requirements - Part 2: Design, construction, testing, marking and documentation
EN ISO 4126-1:2013/A1:2016 SAFETY DEVICES FOR PROTECTION AGAINST EXCESSIVE PRESSURE - PART 1: SAFETY VALVES (ISO 4126-1:2013/AMD 1:2016)
EN ISO 4126-2:2003/AC:2006 SAFETY DEVICES FOR PROTECTION AGAINST EXCESSIVE PRESSURE - PART 2: BURSTING DISC SAFETY DEVICES
EN 60204-1 : 2006 COR 2010 SAFETY OF MACHINERY - ELECTRICAL EQUIPMENT OF MACHINES - PART 1: GENERAL REQUIREMENTS

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