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Norm
ÖNORM EN 1267
Issue date: 1999 12 01
Valves - Test of flow resistance using water as test fluid
This standard specifies a method for determining the pressure loss and fluid flow rate through valves in piping
systems using water as a test fluid. This method is suita...
Withdrawn: 2012 03 01
§ Legal References
Publisher:
Austrian Standards International
Format:
Digital | 24 Pages
Language:
German
| English
| Download GER/ENG
Currently valid:
Optionally co-design standards:
ICS
This standard specifies a method for determining the pressure loss and fluid flow rate through valves in piping
systems using water as a test fluid. This method is suitable:
- for valves with low values but higher than 0,1 by determining pressure loss, with respect to fluid flow rate
and density;
- and to valves with equal inlet and outlet nominal sizes.
Industrial-process control valves are out of the scope.
NOTE 1 If using air as a test fluid, other standards e. g. EN 60534-2-3 and ISO 6358 should be referred to.
NOTE 2 For valves with flow resistance coeficient values lower than 0,1, the pressure loss through the valve is very low with
respect to the pressure loss in the test tubes, and values cannot be determined with an acceptable measurement accuracy.
Norm
Issue date :
1994 05 12
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Issue date :
1981 04 01
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Issue date :
1992 12 17
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1991 05 16
Measurement of fluid flow in closed conduits — Vocabulary and symbols
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Issue date :
1991 02 21
Plain end steel tubes, welded and seamless — General tables of dimensions and masses per unit length
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1989 09 21
Pneumatic fluid power — Components using compressible fluids — Determination of flow-rate characteristics
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1988 11 03
Stainless steel tubes suitable for screwing in accordance with ISO 7-1
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1995 04 01
Valves - Terminology - Part 1: Definition of types of valves
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1995 10 01
Pipework components - Definition and selection of DN (nominal size) (ISO 6708:1995)
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2010 04 01
Copper and copper alloys - Seamless, round copper tubes for water and gas in sanitary and heating applications
Norm
Issue date :
1994 05 12
Pipe threads where pressure-tight joints are made on the threads — Part 1: Dimensions, tolerances and designation
Norm
Issue date :
1981 04 01
Carbon steel tubes suitable for screwing in accordance with ISO 7-1
Norm
Issue date :
1992 12 17
Stainless steel tubes — Dimensions, tolerances and conventional masses per unit length
Norm
Issue date :
1991 05 16
Measurement of fluid flow in closed conduits — Vocabulary and symbols
Norm
Issue date :
1991 02 21
Plain end steel tubes, welded and seamless — General tables of dimensions and masses per unit length
Norm
Issue date :
1989 09 21
Pneumatic fluid power — Components using compressible fluids — Determination of flow-rate characteristics
Norm
Issue date :
1983 09 01
Measurement of fluid flow in closed conduits — Velocity-area methods of flow measurement in swirling or asymmetric flow conditions in circular ducts by means of current-meters or Pitot static tubes
Norm
Issue date :
1988 11 03
Stainless steel tubes suitable for screwing in accordance with ISO 7-1
Norm
Issue date :
2012 03 01
Industrial valves - Test of flow resistance using water as test fluid
