BS EN 817:2008 - Sanitary tapware. Mechanical mixing valves (PN 10). General technical specifications – BSI British Standards

BS EN 817:2008

Sanitary tapware. Mechanical mixing valves (PN 10). General technical specifications

Status : Current, Under review   Published : December 2008

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BS EN 817:2008 Sanitary tapware. Mechanical mixing valves (PN 10). General technical specifications.

BS EN 817 specifies caracteristics with which mechanical mixing valves need to comply. Specifically, it specifies dimensional, leak tightness, pressure resistance, hydraulic performance, mechanical strength, endurance and acoustic characteristics.

BS EN 817 also provides laboratory test methods to verify these characteristics.

BS EN 817 applies to PN 10 mechanical mixing valves for use with sanitary appliances installed in rooms used for bodily hygiene (cloakrooms, bathrooms, etc.) and in kitchens, i.e. for use with baths, wash basins, bidets, showers and sinks.

Replaces BS EN 817:1998

Contents of BS EN 817:

ForewordIntroduction
Scope 
Normative references
Terms and definitions Designation
Marking and identification
Marking Identification
Materials
Chemical and hygiene requirements
Exposed surface conditions
Dimensional characteristics 
General remarks
Inlet dimensions
Outlet dimensions
Mounting dimensions
Special cases 
Flexible hoses for shower outlets
Shower outlets 
Sequence of testing
Leaktightness characteristics
General
Test methods
Leaktightness of the obturator and of the mixing valve upstream of the obturators with the
obturator in the closed position.
Leaktightness of the mixing valve downstream of the obturator with the obturator open
Leaktightness of manually operated diverter
Leaktightness and operation of diverter with automatic return
Leaktightness of the obturator: cross flow between hot water and cold water
Pressure resistance characteristics – mechanical performance under pressure
General
Principle
Apparatus
Mechanical behaviour upstream of the obturator – obturator in the closed position
Mechanical behaviour downstream of the obturator – obturator in the open position
Hydraulic characteristics
General
Initial settings
Principle
Apparatus
Procedure
Determination of flow rate
Determination of sensitivity
Mechanical strength characteristics - torsion test for operating mechanism
General
Test method
Mechanical endurance characteristics
Mechanical endurance of the control device
Mechanical endurance of diverters
Mechanical endurance of swivel spouts
Backflow protection .
Acoustic characteristics
General
Procedure
Requirements
Apparatus
Pressure take-off tee
Bibliography




Standard NumberBS EN 817:2008
TitleSanitary tapware. Mechanical mixing valves (PN 10). General technical specifications
StatusCurrent, Under review
Publication Date31 December 2008
Normative References(Required to achieve compliance to this standard)ISO 228-1:2000, EN ISO 3822-4:1997, ISO 3822-1:1999, ISO 3822-2:1995, EN ISO 228-1, prEN 13618-2, EN 1717, EN ISO 3822-2, EN 14506, ISO 3822-4:1997, EN 1113, EN 246, EN 1112, prEN 13618-1, EN ISO 3822-1, EN 248
Informative References(Provided for Information)EN 1286, EN ISO 5167-1:2003, EN 1254-2, ISO 5167-1:2003
ReplacesBS EN 817:1998
International RelationshipsEN 817:2008
Amended ByCorrigendum, January 2009
DescriptorsVerification, Flow rates, Mechanical testing, Grades (quality), Marking, Spray taps, Mixing valves, Water valves, Hydraulic tests, Flow measurement, Unions, Materials in contact with food, Torsion testing, Dimensions, Pressure, Acoustic testing, Fluid outlets, Noise (environmental), Draw-off taps, Leak tests, Size, Flexible pipes, Colour, Control devices, Classification systems, Sensitivity, Performance, Valves, Sanitary appliances, Sprayers, Pressure testing, Sprayer nozzles, Temperature control, Baths, Showers, Testing conditions, Temperature, Designations, Identification methods, Endurance testing, Environment (working)
ICS91.140.70
Title in FrenchRobinetterie sanitaire. Mitigeurs mécaniques (PN 10). Spécifications techniques générales
Title in GermanSanitärarmaturen. Mechanisch einstellbare Mischer (PN 10). Allgemeine technische Spezifikation
CommitteeB/504/-/8
ISBN978 0 580 66666 7
PublisherBSI
FormatA4
DeliveryYes
Pages54
File Size1.992 MB
Price£254.00


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