PREN 12335 : DRAFT 2004
Current
The latest, up-to-date edition.
INDUSTRIAL VALVES - CAST IRON PLUG VALVES
12-01-2013
1 Scope
2 Normative references
3 Terms and definitions
4 Technical specification
4.1 Nominal sizes
4.2 PN or Class designation
4.3 Pressure/temperature ratings
4.4 Dimensions
4.5 Design
4.6 Functional characteristics
4.7 Operation
4.8 Materials
4.9 Testing and inspection
4.10 Marking
4.11 Preparation for storage and transportation
Annex A (normative) Minimum outside diameters of sealing faces
for parallel threaded valves
Annex B (informative) Typical plug valve constructions and
nomenclature of parts
Annex C (informative) Information to be supplied by the
purchaser
Annex ZA (informative) Relationship between this European Standard
and the Essential Requirements of EU
Directive 97/23/EC (PED)
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