BS EN 251-2003 pdf download.Shower trays Connecting dimensions.
This BS EN 251 specifies requirements for the connecting dimensions for shower trays. regardless of the material used for their manufacture.
NOTE Only dimensions are compu’sory. The shape of the appliance in the figures is for illustration only: it in no way pejudices the shape of the appliance which is left to the initiative of the manufacturer.
2 Normative references
This European Standard incorporates by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text, and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies (including amendments).
EN 274.1, Waste fittings for sanitary appliances — Part 1: Requirements.
3 Connecting dimensions
3.1 BasIc dimensions
The basic dimensions H, a. H1 and h1 shall comply with those given in Table 1.
A.2 Determination of the fit of the control gauge in the waste outlet hole
Place the corresponding control gauge in the waste outlet hole and verify that:
a) the waste outlet of the shower tray can be fitted in the hole 02;
b) the contact diameter of the control gauge (dimension 03 in Figure 2) makes contact with or is S 1 mm of making contact over its entire circumference:
C) the cylindrical portion of the control gauge is level with or projecting below the plane of the waste outlet hole (dimension h2 in Figure 2);
d) the top surface of the control gauge is below the level of the bottom of the shower tray around the waste outlet hole (dimension e in Figure 2);
e) the contact cone angle (angle a in Figure 2) is S 1200.BS EN 251-2003 pdf download.