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UNI EN 817 : 2008

Current
Current

The latest, up-to-date edition.

SANITARY TAPWARE - MECHANICAL MIXING VALVES (PN 10) - GENERAL TECHNICAL SPECIFICATIONS
Published date

09-10-2008

Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions and designation
   3.1 Terms and definitions
   3.2 Designation
4 Marking and identification
   4.1 Marking
   4.2 Identification
5 Materials
   5.1 Chemical and hygiene requirements
   5.2 Exposed surface conditions
6 Dimensional characteristics
   6.1 General remarks
   6.2 Inlet dimensions
   6.3 Outlet dimensions
   6.4 Mounting dimensions
   6.5 Special cases
   6.6 Flexible hoses for shower outlets
   6.7 Shower outlets
7 Sequence of testing
8 Leaktightness characteristics
   8.1 General
   8.2 Test methods
   8.3 Leaktightness of the obturator and of the mixing
        valve upstream of the obturators with the
        obturator in the closed position
   8.4 Leaktightness of the mixing valve downstream
        of the obturator with the obturator open
   8.5 Leaktightness of manually operated diverter
   8.6 Leaktightness and operation of diverter with
        automatic return
   8.7 Leaktightness of the obturator: cross flow
        between hot water and cold water
9 Pressure resistance characteristics - mechanical
   performance under pressure
   9.1 General
   9.2 Principle
   9.3 Apparatus
   9.4 Mechanical behaviour upstream of the
        obturator - obturator in the closed position
   9.5 Mechanical behaviour downstream of the
        obturator - obturator in the open position
10 Hydraulic characteristics
   10.1 General
   10.2 Initial settings
   10.3 Principle
   10.4 Apparatus
   10.5 Procedure
   10.6 Determination of flow rate
   10.7 Determination of sensitivity
11 Mechanical strength characteristics - torsion test
   for operating mechanism
   11.1 General
   11.2 Test method
12 Mechanical endurance characteristics
   12.1 Mechanical endurance of the control device
   12.2 Mechanical endurance of diverters
   12.3 Mechanical endurance of swivel spouts
13 Backflow protection
14 Acoustic characteristics
   14.1 General
   14.2 Procedure
   14.3 Requirements
Annex A (informative) - Apparatus
Annex B (informative) - Pressure take-off tee
Bibliography

Describes: - the dimensional, leaktightness, pressure resistance, hydraulic performance, mechanical strength, endurance and acoustic characteristics with which mechanical mixing valves need to comply; - test methods to verify the characteristics.

DevelopmentNote
Supersedes UNI 10234 (07/2001)
DocumentType
Standard
PublisherName
Ente Nazionale Italiano di Unificazione (UNI)
Status
Current
Supersedes

Standards Relationship
NBN EN 817 : 2008 Identical
NF EN 817 : 2008 Identical
NEN EN 817 : 2008 Identical
NS EN 817 : 2ED 2008 Identical
I.S. EN 817:2008 Identical
SN EN 817 : 2008 Identical
UNE-EN 817:2009 Identical
BS EN 817:2008 Identical
EN 817:2008 Identical
DIN EN 817:2008-09 Identical

UNI 11523 : 2014 SANITARY TAPWARE - FLOW REGULATORS (PN 10) - GENERAL TECHNICAL SPECIFICATIONS
UNI 9182 : 2014 HOT AND COLD WATER SUPPLY AND DISTRIBUTION INSTALLATIONS - DESIGN, INSTALLATION AND TESTING

ISO 3822-1:1999 Acoustics Laboratory tests on noise emission from appliances and equipment used in water supply installations Part 1: Method of measurement
EN 246:2003 Sanitary tapware - General specifications for flow rate regulators
EN 1112:2008 Sanitary tapware - Shower outlets for sanitary tapware for water supply systems of type 1 and type 2 - General technical specification
EN 1254-2:1998 Copper and copper alloys - Plumbing fittings - Part 2: Fittings with compression ends for use with copper tubes
EN 1113:2015 SANITARY TAPWARE - SHOWER HOSES FOR SANITARY TAPWARE FOR WATER SUPPLY SYSTEMS OF TYPE 1 AND TYPE 2 - GENERAL TECHNICAL SPECIFICATION
ISO 3822-4:1997 Acoustics Laboratory tests on noise emission from appliances and equipment used in water supply installations Part 4: Mounting and operating conditions for special appliances
EN 1286:1999 Sanitary tapware - Low pressure mechanical mixing valves - General technical specification
EN 1717:2000 Protection against pollution of potable water in water installations and general requirements of devices to prevent pollution by backflow
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 ISO 3822-4:1997 Acoustics - Laboratory tests on noise emission from appliances and equipment used in water supply installations - Part 4: Mounting and operating conditions for special appliances
EN 14506:2005 Devices to prevent pollution by backflow of potable water - Automatic diverter - Family H, type C
EN ISO 5167-1:2003 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 1: General principles and requirements (ISO 5167-1:2003)
ISO 3822-2:1995 Acoustics Laboratory tests on noise emission from appliances and equipment used in water supply installations Part 2: Mounting and operating conditions for draw-off taps and mixing valves
ISO 5167-1:2003 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full Part 1: General principles and requirements
EN ISO 3822-1:1999/A1:2008 ACOUSTICS - LABORATORY TESTS ON NOISE EMISSION FROM APPLIANCES AND EQUIPMENT USED IN WATER SUPPLY INSTALLATIONS - PART 1: METHOD OF MEASUREMENT
EN ISO 3822-2:1995 Acoustics - Laboratory tests on noise emission from appliances and equipment used in water supply installations - Part 2: Mounting and operating conditions for draw-off taps and mixing valves (ISO 3822-2:1995)
ISO 228-1:2000 Pipe threads where pressure-tight joints are not made on the threads Part 1: Dimensions, tolerances and designation
EN 248:2002 Sanitary tapware - General specification for electrodeposited coatings of Ni-Cr

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