PREN 331 : DRAFT 2013

Name: PREN 331 : DRAFT 2013
Brand: CEN

Superseded

View Superseded by

MANUALLY OPERATED BALL VALVES AND CLOSED BOTTOM TAPER PLUG VALVES FOR GAS INSTALLATIONS FOR BUILDINGS

Superseded date

12-01-2015

Published date

05-23-2013

Publisher

Comite Europeen de Normalisation

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Classification
5 Construction requirements
6 Performance requirements
7 Test methods
8 Evaluation of conformity
9 Marking
10 Installation and operating instructions
Annex A (normative) - Resistance to high temperatures
Annex B (informative) - National situations about
        connections and high temperature requirements
Annex ZA (informative) - Relationship between this European
         Standard and the Essential Requirements of
         EU Construction Products Directive
Environmental Checklist

Defines the general requirements for the construction, performance and safety of ball valves and closed bottom taper plug valves.

Committee	TC 236
DocumentType	Draft
PublisherName	Comite Europeen de Normalisation
Status	Superseded
SupersededBy	EN 331:2015

Standards	Relationship
13/30279702 DC : 0	Identical

EN 751-3:1996/AC:1997	Sealing materials for metallic threaded joints in contact with 1st, 2nd and 3rd family gases and hot water - Part 3: Unsintered PTFE tapes
EN 1555-3:2010+A1:2012	Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 3: Fittings
EN 682:2002/A1:2005	ELASTOMERIC SEALS - MATERIALS REQUIREMENTS FOR SEALS USED IN PIPES AND FITTINGS CARRYING GAS AND HYDROCARBON FLUIDS
EN 1503-4:2016	Valves - Materials for bodies, bonnets and covers - Part 4: Copper alloys specified in European Standards
EN 1775:2007	Gas supply - Gas pipework for buildings - Maximum operating pressure less than or equal to 5 bar - Functional recommendations
EN 1593:1999/A1:2003	NON-DESTRUCTIVE TESTING - LEAK TESTING - BUBBLE EMISSION TECHNIQUES
EN 1503-3:2000/AC:2001	VALVES - MATERIALS FOR BODIES, BONNETS AND COVERS - PART 3: CAST IRONS SPECIFIED IN EUROPEAN STANDARDS
EN 1254-1:1998	Copper and copper alloys - Plumbing fittings - Part 1: Fittings with ends for capillary soldering or capillary brazing to copper tubes
EN 1254-2:1998	Copper and copper alloys - Plumbing fittings - Part 2: Fittings with compression ends for use with copper tubes
EN 377:1993/A1:1996	LUBRICANTS FOR APPLICATIONS IN APPLIANCES AND ASSOCIATED CONTROLS USING COMBUSTIBLE GASES EXCEPT THOSE DESIGNED FOR USE IN INDUSTRIAL PROCESSES
EN 1092-3:2003/AC:2007	FLANGES AND THEIR JOINTS - CIRCULAR FLANGES FOR PIPES, VALVES, FITTINGS AND ACCESSORIES, PN DESIGNATED - PART 3: COPPER ALLOY FLANGES
EN 751-2:1996	Sealing materials for metallic threaded joints in contact with 1st, 2nd and 3rd family gases and hot water - Part 2: Non-hardening jointing compounds
EN 1503-1:2000	Valves - Materials for bodies, bonnets and covers - Part 1: Steels specified in European Standards
EN ISO 9227:2017	Corrosion tests in artificial atmospheres - Salt spray tests (ISO 9227:2017)
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 ISO 228-1:2003	Pipe threads where pressure-tight joints are not made on the threads - Part 1: Dimensions, tolerances and designation (ISO 228-1:2000)
EN 437:2003+A1:2009	Test gases - Test pressures - Appliance categories
ISO 65:1981	Carbon steel tubes suitable for screwing in accordance with ISO 7-1
EN 751-1:1996	Sealing materials for metallic threaded joints in contact with 1st, 2nd and 3rd family gases and hot water - Part 1: Anaerobic jointing compounds
ISO 9227:2017	Corrosion tests in artificial atmospheres — Salt spray tests
ISO 261:1998	ISO general purpose metric screw threads General plan
EN 549:1994	Rubber materials for seals and diaphragms for gas appliances and gas equipment
EN 1092-2:1997	Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 2: Cast iron flanges
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
IEC 60730-1:2013+AMD1:2015 CSV	Automatic electrical controls - Part 1: General requirements