1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS ISO 3903:2012Ships and marine technology Ships ordinary rectangularwindowsBS ISO 3903:2012 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of I
2、SO 3903:2012. The UK participation in its preparation was entrusted to TechnicalCommittee SME/32/-/8, Ships see 6.1 and Table 12.4.1 Series4.1.1 Regular series (N)Rectangular windows of the regular series shall contain a toughened safety glass pane that meets the requirements of ISO 21005.4.1.2 Fire
3、-resistant series (P)Rectangular windows of the fire-resistant series shall be provided for installation in “A” or “B” class divisions, containing a glass pane that meets the requirements of ISO 5797.Modifications to the construction and installation of the glassholder and main frame, as well as add
4、itional testing and marking, shall be in accordance with ISO 5797.4.1.3 Heated series (H)Rectangular windows of the heated series shall contain a heated glass pane in accordance with ISO 3434.NOTE Modifications of the construction of glassholder or main frame are to be observed; see 5.1.2.4.2 TypesS
5、hips ordinary rectangular windows may be of two types: Type E: Heavy-type rectangular window; Type F: Light-type rectangular window.4.3 ModelsModels shall be designated in accordance with the following principal characteristics: opening or non-opening model; opening direction of glassholder; type of
6、 fastening.The various combinations of these, which are in accordance with the definitions in ISO 6345, are given in Table 1.4.4 Nominal sizesThe nominal size is defined by the clear light dimension for width w1and height h1of the rectangular window, in millimetres, and is identified by a code numbe
7、r; see Table 2.4.5 Survey of types, models and sizesA survey is given in Table 3 for all rectangular windows standardized in this International Standard. It applies to window series N (regular), P (fire-resistant) and H (heated).2 ISO 2012 All rights reservedBS ISO 3903:2012ISO 3903:2012(E)The illus
8、trations given in Table 3 do not define the construction; they are simplified examples for information only.Table 1 Principal characteristics of modelsOpening or non-openingOpening directionFastening Model designation codebolted (B) welded (W)openinginwards (I)side-hingedleft-hand (L)B ILB W ILWrigh
9、t-hand (R)B IRB W IRWtop-hinged (T)B ITB W ITWoutwards (O)side-hingedleft-hand (L)B OLB W OLWright-hand (R)B ORB W ORWtop-hinged (T)B OTB W OTWnon-opening (NO)B NOB W NOWTable 2 Nominal sizeCode no.Nominal sizew1 h1mm mmIllustration123456300 425355 500400 560450 630500 710560 800789900 6301 000 7101
10、 100 800 ISO 2012 All rights reserved 3BS ISO 3903:2012ISO 3903:2012(E)Table 3 Survey of rectangular windowsType(see 4.2)Model(see 4.3)Nominal size by code no.(see 4.4)Illustration(bolted windows are shown)bolted welded Inwards opening side-hinged windowsEILB 1 to 6 ILWIRB IRWFILB ILWIRB IRWInwards
11、opening top-hinged windowsEITB 4 to 8 ITWFITB 4 to 9 ITWOutwards opening side-hinged windows4 ISO 2012 All rights reservedBS ISO 3903:2012ISO 3903:2012(E)Type(see 4.2)Model(see 4.3)Nominal size by code no.(see 4.4)Illustration(bolted windows are shown)bolted welded EOLB 1 to 6 OLWORB ORWFOLB OLWORB
12、ORWOutwards opening top-hinged windowsEOTB 4 to 8 OTWFOTB 4 to 9 OTWNon-opening windowsTable 3 (continued) ISO 2012 All rights reserved 5BS ISO 3903:2012ISO 3903:2012(E)Type(see 4.2)Model(see 4.3)Nominal size by code no.(see 4.4)Illustration(bolted windows are shown)bolted welded ENOB 1 to 8F NOW 1
13、to 95 Technical requirements5.1 GeneralRectangular windows of all series, types, models and nominal sizes shall be manufactured to the requirements (dimensions, materials, etc.) given in this International Standard. They shall be capable of meeting the test requirements specified in Clause 7.5.1.1 R
14、ectangular windows for fire-resistant constructionsIn addition, for rectangular windows for fire-resistant construction, the glassholder and the main frame shall be made of a material that keeps its mechanical characteristics at the temperatures given in ISO 5797.They shall be designed so that tempe
15、rature gradients do not develop stresses in the glass which could result in rupture.5.1.2 Heated rectangular windowsFor heated rectangular windows, deviations in the design of glassholder or main frame based on the thickness of the heated glass pane, see ISO 3434, and the electrical connection shall
16、 be taken into consideration.5.2 Dimensions5.2.1 Main dimensionsThe main dimensions of rectangular windows shall be as given in Figure 1 and Tables 4 and 5. The correlation between nominal sizes and types and models shall be as given in Table 3.NOTE 1 Figure 1 does not define the construction of any
17、 series, type or model of rectangular windows; it is given for the indication of standardized dimensions only. The illustration shows an inwards opening side-hinged rectangular window.5.2.2 Corner radiiThe basic radius is the corner radius r1of the clear light size; see Table 4.Table 3 (continued)6
18、ISO 2012 All rights reservedBS ISO 3903:2012ISO 3903:2012(E)The values of the other radii shall be as follows: spigot outside corner radius and welding-in main frame outside corner radius: r2= r1+ 24 mm; flange outside corner radius: r3= r1+ 65 mm max.a) Bolted model ISO 2012 All rights reserved 7BS
19、 ISO 3903:2012ISO 3903:2012(E)b) Welded modelaFor the spigot height (dimension c), see 5.2.3 and Table 5.Figure 1 Main dimensions of rectangular windowTable 4 Main dimensions and number of fastenersNominal size w2h2w3h3g r1aMinimum number of fasteners bcode no. w1 h1mm mm mm mm mm mmmm 2 2 max. max.
20、 max. 123456300 425355 500400 560450 630500 710560 800348403448498548608473548608678758848430485530580630690555630690760840930414141414141505050100100100444466789900 6301 000 7101 100 8009481 0481 1486787588481 0301 1301 230760840930414141100100100688aFor corner radii r2and r3, see 5.2.2.bThe number
21、 of fasteners includes only closing devices and hinges with round holes; see 5.6.8 ISO 2012 All rights reservedBS ISO 3903:2012ISO 3903:2012(E)5.2.3 Height of spigotThe recommended nominal heights of the main frame spigot, which should be preferred for all types, models and nominal sizes of rectangu
22、lar windows, are given in Table 5.Table 5 Height of spigot (dimension c)ModelManufacturing heightActual heightmm mmBolted 16The actual required delivery height of the spigot may be agreed when ordering the rectangular window.Welded 305.2.4 Glass recessThe dimensions of the glass recess (w4, h4, r4an
23、d e) in the glassholder of opening rectangular windows and in the main frame of non-opening rectangular windows shall be as given in Figure 2 and Table 6.The minimum glass thicknesses for rectangular windows series N (regular) are given in ISO 21005.The minimum glass thicknesses for side rectangular
24、 windows series P (fire-resistant) are given in ISO 5797.The minimum glass thicknesses for side rectangular windows series H (heated) are given in ISO 3434.Key1 glass pane2 glazing materialaNominal size.Figure 2 Glass recess ISO 2012 All rights reserved 9BS ISO 3903:2012ISO 3903:2012(E)Table 6 Glass
25、 recessNominal size w4h1r4ecode no. w1 h1mm mm mm mmmm min. min. 123456300 425355 500400 560450 630500 710560 800321376421471521581446521581651731821606060110110110The dimension is left to the manufacturers discretion. It depends on the thickness of the glass pane and on the glazing material used.78
26、9900 6301 000 7101 100 8009211 0211 1216517318211101101105.3 Glass retaining frameThe use of a glass retaining frame for fixing the glass pane in the glassholder or in the main frame is optional.5.3.1 DimensionsIf a glass retaining frame is used, the minimum dimensions shall be as given in Figure 3.
27、Dimensions in millimetresa) For use with cylindrical head screwsb) For use with countersunk head screwsaNominal size.Figure 3 Glass retaining frame10 ISO 2012 All rights reservedBS ISO 3903:2012ISO 3903:2012(E)5.3.2 Screws for glass retaining framesTo fasten the glass retaining frame, slotted or cro
28、ss recessed screws in accordance with ISO 1207, ISO 1580, ISO 2009, ISO 2010, ISO 7045, ISO 7046-2 or ISO 7047 shall be used, at the window manufacturers discretion. Such screws shall have the following characteristics: thread: M 6; length: 16 mm; material: marine corrosion-resistant copper alloy (f
29、or windows of copper alloy); stainless steel (for windows of aluminium alloy or steel).5.3.3 Glazing screw pitchThe screw pitch shall be as follows: for Type E windows: 75 mm max.; for Type F windows: 100 mm max.5.4 Glass panes5.4.1 Panes for regular rectangular windows (series N)Thermally toughened
30、 safety glass panes, clear or surface treated, in accordance with ISO 21005 shall be used. Appropriate codes are given in Table 7.Correlation of glass thickness with types and nominal sizes shall be as given in 5.2.4, with the peculiarity for surface-treated glass panes given in 5.5.3.5.4.2 Panes fo
31、r rectangular windows for fire-resistant constructions (series P)Glass panes in accordance with ISO 5797 shall be used. Depending on the application conditions, the shipbuilder shall decide for which fire-resistance class the rectangular window is suitable, see footnote 1.Glass panes are standardize
32、d for rectangular windows for fire-resistant constructions; see ISO 5797.5.4.3 Panes for heated rectangular windows (series H)Glass panes in accordance with ISO 3434 (Type A or Type B) shall be used. Depending on the application conditions (electrical supply, power loading and kind of overheating pr
33、otection device), the shipbuilder shall decide what kind of glass pane is to be fitted to the rectangular window by the window manufacturer.Applicable heated glass panes are listed in Table 8.Table 7 Finish of glass paneKind of finish Codeclear Y1surface treated Y2 ISO 2012 All rights reserved 11BS
34、ISO 3903:2012ISO 3903:2012(E)Table 8 Codes for rectangular windows with heated glass paneElectrical supply (current rating system)Overheating protection deviceaMinimum power loadingbW/dm2Supply Voltage Frequency 7 12 17V Hz Coded.c.24 G 7G 01 12G 01 17G 01S 7S 01 12S 01 17S 01110 G 7G 02 12G 02 17G
35、02S 7S 02 12S 02 17S 02220 G 7G 03 12G 03 17G 03S 7S 03 12S 03 17S 03a.c. single-phase11550G 7G 11 12G 11 17G 11S 7S 11 12S 11 17S 1160G 7G 12 12G 12 17G 12S 7S 12 12S 12 17S 1223050G 7G 13 12G 13 17G 13S 7S 13 12S 13 17S 1360G 7G 14 12G 14 17G 14S 7S 14 12S 14 17S 14a.c. three-phase11550G 7G 31 12G
36、 31 17G 31S 7S 31 12S 31 17S 3160G 7G 32 12G 32 17G 32S 7S 32 12S 32 17S 3223050G 7G 33 12G 33 17G 33S 7S 33 12S 33 17S 3360G 7G 34 12G 34 17G 34S 7S 34 12S 34 17S 34230/40050G 7G 35 12G 35 17G 35S 7S 35 12S 35 17S 3560G 7G 36 12G 36 17G 36S 7S 36 12S 36 17S 3644050G 7G 37 12G 37 17G 37S 7S 37 12S 3
37、7 17S 3760G 7G 38 12G 38 17G 38S 7S 38 12S 38 17S 38aG means group regulation, S mean single regulation; see ISO 3434.bIf a higher power loading is required for navigation in polar regions, the window manufacturer or the heated glass pane manufacturer shall be consulted.5.5 Glazing5.5.1 Glazing mate
38、rialAn appropriate glazing material, resistant to sea water and ultraviolet light, shall be used.12 ISO 2012 All rights reservedBS ISO 3903:2012ISO 3903:2012(E)5.5.2 Mounting of glass paneWhen glazing, it is essential that the glass pane is centralized in the glassholder or in the main frame so that
39、 there is the same clearance all round.The necessity of using special packings for the mounting of special glass panes for rectangular windows for fire-resistant constructions (series P) or heated windows (series H) depends on the construction of the glassholder, and on the composition and edge prot
40、ection (if any) of these glass panes.5.5.3 Peculiarity for surface-treated glass panesMounting position AIn general, obscured glass panes are positioned with the obscured surface outwards. For this positioning, the glass thicknesses given in 5.2.4 apply. Note, however, that the glass pane becomes tr
41、ansparent when wet.Mounting position BWhen, in special cases, a surface-treated toughened safety glass pane is positioned with the obscured surface facing inwards, a greater glass thickness than that specified in 5.2.4 shall be used. These greater thicknesses shall be as given in Table 9.Table 9 Thi
42、ckness of surface-treated glass panes when obscured surface is facing inwardsDimensions in millimetresNominal size Glass thickness for type of rectangular windowcode no. w1 h1E F123456300 425355 500400 560450 630500 710560 80015151919121212121515789900 6301 000 7101 100 80019195.6 Fasteners (closing
43、 devices and hinges)5.6.1 Number of fastenersa) The minimum number of fasteners comprising closing devices and hinges with round holes for glassholders of Type E and Type F opening rectangular windows shall be as given in Table 4.b) The total number of the fasteners and their construction shall be s
44、uch that the window meets the strength and watertightness requirements in Clause 7.NOTE If the hole for the hinge of the glassholder is oval, the hinge is not regarded as a fastener.5.6.2 Closing devicea) At least two closing devices (or example screw-in bolts or swing bolts with nuts) shall be prov
45、ided.b) In the case of outwards-opening windows, an appropriate screw-locking device shall be provided to ensure that, when open, the closing device does not strike the glass pane. ISO 2012 All rights reserved 13BS ISO 3903:2012ISO 3903:2012(E)c) If a closing device is composed of a swing bolt, swin
46、g bolt nut and swing bolt hinge pin, these component parts shall have main dimensions as given in Table 10.5.6.3 HingesThe number of hinges (at least two) depends on the kind of window (type, model, size and construction). For all kinds of opening rectangular windows, it is recommended to use hinge
47、pins with a diameter in accordance with Table 10.Table 10 Diameter of bolts and pinsDimensions in millimetresThread of swing bolt and nutDiameter of hinge pin for(in accordance with ISO 261)swing bolt glassholderM 20 12 125.7 Gaskets for glassholder and glass retaining frameTo ensure watertightness
48、between the glassholder and main frame, gaskets shall be used.5.7.1 Type of gasketThe gaskets shall be of Type A, B or C in accordance with ISO 3902, at the manufacturers discretion.5.7.2 Fixing of gasketsThe gaskets shall be secured in the grooves of the glassholder by means of a suitable adhesive.
49、5.8 Fixing deviceAll sidewards opening rectangular windows shall be provided with a fitted fixing device (for example a hook). This fixing device is a part of the window to be delivered.6 Materials6.1 Main frame, glassholder and glass retaining frameThe main components of a rectangular window (main frame, glassholder and glass retaining frame) shall be manufac
