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AS 1172.2:2014
[Current]Sanitary plumbing products, Part 2: Flushing devices and cistern inlet and outlet valves
Specifies requirements for single-flush or dual-flush flushing cisterns with flushing volumes as marked, flushing valves for mains supply that incorporate air gap pipe disconnections that operate manually or by sensor, and flushing valves for use with a break tank supply intended for use with urinals and water closet pans of all types. Also specifies requirements for cistern inlet valves and cistern outlet valves.
Published: 27/05/2014
Pages: 53
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
1 Scope and general
1.1 Scope
1.2 Application
1.3 Demonstration of conformance
1.4 Normative references
1.5 Definitions
1.6 Marking
1.6.1 Cistern inlet valves
1.6.2 Cistern outlet valves
1.6.2.1 General
1.6.2.2 Valves having an adjustable height overflow or replacement valves that are not designed for specific cisterns
1.6.2.3 Replacement valves designed for specific cisterns
1.6.2.4 Outlet valves that have adjustable elements to set the flush volume
1.6.2.5 Non-adjustable outlet valves
2 Flushing cisterns
2.1 General
2.2 Marking
2.3 Materials
2.3.1 General
2.3.2 Dezincification-resistant copper alloy
2.3.3 Vitreous china
2.3.4 Stainless steel
2.3.5 Other materials
2.3.6 Materials in contact with water
2.4 Design and manufacture
2.4.1 Access
2.4.2 Backflow prevention
2.4.3 Overflow
2.4.4 Water inlet valve
2.4.5 Inlet connection
2.4.6 Outlet valve
2.4.7 Outlet connection
2.4.8 Air separation distance
2.4.9 Integral components
2.4.10 Flow rates for cisterns
2.5 Performance requirements and test methods
2.5.1 Front thrust test
2.5.2 Distortion and leakage tests for other than vitreous china cisterns
2.5.3 Backsiphonage test
2.5.4 Endurance test—Outlet valve
2.5.5 Endurance test—Inlet valve
2.5.6 Discharge test—Matching set cisterns for use with wcs
2.5.7 Discharge test—Matching and non-matching sets cisterns for use with urinals
2.5.8 Discharge test—Non-matching set cisterns for use with WCs
3 Flushing valves for use with mains supply
3.1 General
3.2 Marking
3.3 Materials
3.3.1 Copper
3.3.2 Copper alloy
3.3.3 Dezincification-resistant (DR) copper alloy
3.3.4 Stainless steel
3.3.5 Plastics
3.4 Design and manufacture
3.4.1 Access
3.4.2 Backflow prevention
3.4.3 End connectors
3.4.4 Flushing volume
3.4.5 Flow rates for WC flushing valves
3.5 Performance requirements and test methods
3.5.1 Products in contact with drinking water
3.5.2 Discharge test—Matching set flushing valves for use with WCs
3.5.3 Discharge test—Non-matching set flushing valves for use with WCs
3.5.4 Discharge test—Matching and non-matching set flushing valves for use with urinals
3.5.5 Watertightness
3.5.5.1 Metal-bodied valves
3.5.5.2 Plastics-bodied valves
3.6 Product documentation
3.7 Installation and operating and maintenance instructions
3.7.1 Installation instructions
3.7.2 Operating and maintenance instructions
4 Flushing valves for use with a break tank supply
4.1 General
4.2 Marking
4.3 Materials
4.3.1 Copper
4.3.2 Copper alloy
4.3.3 Stainless steel
4.3.4 Plastics
4.4 Design and manufacture
4.4.1 Access
4.4.2 ‘Text deleted’
4.4.3 End connectors
4.4.4 Flushing volume
4.4.5 Flow rates for WC flushing valves
4.5 Performance requirements and test methods
4.5.1 Discharge test—Matching set flushing valves for use with WCs
4.5.2 Discharge test—Non-matching set flushing valves for use with WCs
4.5.3 Discharge test—Matching and non-matching set flushing valves for use with urinals
4.5.4 Watertightness
4.5.4.1 Metal-bodied valves
4.5.4.2 Plastics-bodied valves
4.6 Product documentation
4.7 Installation and operating and maintenance instructions
4.7.1 Installation instructions
4.7.2 Operating and maintenance instructions
5 Cistern inlet valves
5.1 General
5.2 Materials
5.2.1 Copper
5.2.2 Copper alloy
5.2.3 Dezincification-resistant (DR) copper alloy
5.2.4 Stainless steel
5.2.5 Plastics
5.3 Design
5.3.1 General operation
5.3.2 Inlet connection
5.4 Performance requirements and test methods
5.4.1 Products in contact with drinking water
5.4.2 Backflow prevention
5.4.3 Endurance test
5.4.3.1 General
5.4.3.2 Water inlet valves intended for replacement
5.4.3.3 Low pressure inlet valves
5.4.4 Valve closing pressure—Low pressure valves
5.4.5 Cistern refill time—Low pressure water inlet valves
5.4.6 Air separation distance—Low pressure inlet valves only
6 Cistern outlet valves
6.1 General
6.2 Materials
6.2.1 Copper
6.2.2 Copper alloy
6.2.3 Dezincification-resistant (DR) copper alloy
6.2.4 Stainless steel
6.2.5 Non-metallic materials
6.3 Design
6.3.1 General operation
6.3.2 Outlet connection
6.4 Performance requirements and test methods
6.4.1 Discharge volume test
6.4.2 Physical endurance test
6.4.3 Chemical endurance test
6.4.4 Overflow capacity
Appendix A
A1 Scope
A2 Relevance
A3 ‘Text deleted’
A4 Definitions
A5 Testing
A5.1 Type testing
A5.2 Retesting
A5.3 Batch release testing
Appendix B
B1 Scope
B2 Principle
B3 Apparatus
B4 Procedure
B5 Test report
Appendix C
C1 Scope
C2 Principle
C3 Apparatus
C4 Procedure
C5 Test report
Appendix D
D1 Scope
D2 Principle
D3 Apparatus
D4 Procedure
D5 Test report
Appendix E
E1 Scope
E2 Principle
E3 Apparatus
E4 Procedure
E4.1 Discharge flow rate
E4.2 Discharge flush volume
E5 Test report
Appendix F
F1 Scope
F2 Principle
F3 Apparatus
F4 Procedure
F5 Test report
Appendix G
G1 Scope
G2 Principle
G3 Apparatus
G4 Procedure
G5 Test report
Appendix H
H1 Scope
H2 Principle
H3 Apparatus
H4 Procedure
H5 Test report
Appendix I
I1 Scope
I2 Principle
I3 Apparatus
I4 Procedure
I5 Test report
Appendix J
J1 Scope
J2 Principle
J3 Apparatus
J4 Procedure
J4.1 Procedure for preparing for test
J4.2 Procedure for determining the cistern refill time
J5 Test report
Appendix K
K1 Scope
K2 Principle
K3 Apparatus
K4 Procedure
K5 Test report
Appendix L
L1 Scope
L2 Test conditions
L3 Procedure
L4 Test report
Appendix M
M1 Scope
M2 Principle
M2.1 Cisterns
M2.2 Other flushing devices
M3 Apparatus
M4 Procedure
M5 Test report
Appendix N
N1 Scope
N2 Principle
N3 Apparatus
N4 Procedure
N5 Test report
Amendment control sheet
Amendment No. 1 (2018)
Revised text
Bibliography
Cited references in this standard
[Current]
Copper and copper alloys — Compositions and designations of refinery products, wrought products, ingots and castings
[Current]
Method for detecting the susceptibility of copper and its alloys to stress corrosion cracking using the mercurous nitrate test
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