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SN EN ISO 3822-3 : 1997 AMD 1 2009
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The latest, up-to-date edition.
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ACOUSTICS - LABORATORY TESTS ON NOISE EMISSION FROM APPLIANCES AND EQUIPMENT USED IN WATER SUPPLY INSTALLATIONS - PART 3: MOUNTING AND OPERATING CONDITIONS FOR IN-LINE VALVES AND APPLIANCES
12-01-2013
Foreword
0 Introduction
1 Scope
2 Normative references
3 Mounting
3.1 General
3.2 Fitting to the test pipe
3.3 Mounting of in-line valves and appliances with
screwed connections
3.4 Mounting of in-line valves and appliances with
provision for soldering in copper connecting pipes
3.5 Mounting of in-line valves and appliances fitted
with copper connecting pipes
3.6 Mounting of in-line valves or appliances with
two inlets
3.7 Discharge connection
4 Test procedure
4.1 General test conditions
4.2 Procedure for stop valves
4.3 Procedure for control valves
4.4 Procedure for valves and appliances operated by
water flow
4.5 Procedure for automatic in-line valves or
appliances operated by water pressure
4.6 Procedure for automatic in-line valves and
appliances operated by water temperature
4.7 Procedure for "safety groups"
5 Test report
Annex A (informative) Example of low noise flow resistance
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