BS EN 31:2011 pdf download – Wash basins — Connecting dimensions
1 Scope
This European Standard specifies the connecting dimensions of wash basins in accordance with EN 14688 regardless of materials used for their manufacture.
NOTE 1 Other connecting dimensions are permitted, e.g. special designs of wash basins, if the manufacturer supplies or recommends the appropriate fitting.
NOTE 2 The shape of the appliance in the figures is for illustration only; it in no way prejudices the final shape of the appliance, which is left to the initiative of the manufacturer.
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 14688, Sanitary appliances – Wash basins – Functional requirements and test methods
3 Tap holes
3.1 General
The connecting dimensions for tap holes are requirements for wash basins where it is intended to fit a tap.
3.2 Connecting dimensions of wash basins with one central tap hole
The connecting dimensions of wash basins with one central tap hole shall comply with Table 1.
3.3 Connecting dimensions of wash basins with side tap hole(s)
The connecting dimensions of wash basins with one or two tap holes for side tap(s) shall comply with Table 2.
4 Waste outlet hole(s)
4.1 Connecting dimensions of waste outlet hole(s) with integral overflow
The connecting dimensions of the waste outlet hole(s) with integral overflow shall comply with the dimensions given in Table 4.
4.2 Connecting dimensions of waste outlet hole without integral overflow
The connecting dimensions of the waste outlet hole(s) without integral overflow shall comply with the dimensions given in Table 5.