BS EN 14055:2010 pdf free download

BS EN 14055:2010 pdf free download.WC and urinal flushing cisterns.
BS EN 14055 specifies design, performance requirements and the test methods for WC and urinal flushing cisterns with flushing mechanism, inlet valve and overflow.
This document covers flushing cisterns designed to be connected to drinking water installations inside buildings.
This standard does not cover automatic valveless siphon flushing cisterns for flushing urinals. NOTE Flushing dstems for one-piece WCs and close-coupled suites are covered by EN 997,
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
EN 997:2003, WC pans and WC suites with integral trap
EN 1717, Protection against pollution of potable water in water installations and general requirements of devices to prevent pollution by backf low
EN 13407:2006, Wall-hung urinals — Functional requirements and test methods
EN 14124, Inlet valves for flushing cisterns with internal overflow
BS 1212-2:1990, Float operated valves — Specification for diaphragm type float operated vatves (copper alloy body) (excluding floats)
BS 1212-3:1990, Float operated valves — Specification for diaphragm type float operated valves (plastics bodied) for cold water services only (excluding floats)
BS 1212-4:1991, Float operated valves — Specification for compact type float operated valves for WC flushing cisterns (including floats)
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1 valve-type flushing cistern cistern with integral valve outlet device, for storage and discharge of a defined volume of flushing water for removal of excrement from a wc pan
3.2 valveless-type flushing cistern cistern with integral syphonic actuated outlet device, for storage and discharge of a defined volume of flushing water for removal of excrement from a WC pan.
3.3 close-coupled multiple use flushing cistern close-coupled flushing cistern for use with different WC pans
3.4 independent flushing cistern flushing cistern mounted separately from a WC pan or urinal
3.5  outlet valve mechanism for opening and closing the outlet orifice of the flushing cistern
3.6 operating mechanism mechanism to open, and if applicable, close the outlet valve
3.7 flush pipe connecting pipe between a flushing cistern’s outlet and a WC’s or urinal’s inlet
3.8 overflow device enabling release of excess water from a flushing cistern when water reaches a pre-determined level.BS EN 14055 pdf download.