1、April 2012Translation by DIN-Sprachendienst.English price group 7No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 21
2、.060.10!$HH“1933737www.din.deDDIN 909Hexagon head pipe plugs Conical thread,English translation of DIN 909:2012-04Verschlussschrauben mit Auensechskant Kegeliges Gewinde,Englische bersetzung von DIN 909:2012-04Bouchons filets tte hexagonale Filetage conique,Traduction anglaise de DIN 909:2012-04Supe
3、rsedesDIN 909:1992-01www.beuth.deIn case of doubt, the German-language original shall be considered authoritative.Document comprises 11 pages01.13 DIN 909:2012-04 2 A comma is used as the decimal marker. Contents Page Foreword 3 1 Scope .4 2 Normative references .4 3 Symbols .5 4 Dimensions and mass
4、es 6 5 Technical delivery conditions .9 6 Designation 10 Bibliography . 11 DIN 909:2012-04 3 Foreword This standard has been prepared by Working Committee NA 067-00-08 AA Verbindungselemente mit Sonderformen und aus Kunststoff of the Normenausschuss Mechanische Verbindungselemente (Fasteners Standar
5、ds Committee). Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. DIN shall not be held responsible for identifying any or all such patent rights. Amendments This standard differs from DIN 909:1992-01 as follows: a) normative referen
6、ces have been updated; b) symbol l has been replaced by lt, symbol d1by d and symbol d2by dB; c) Clause 3 listing additional symbols and quantities has been added; d) Figure 1 has been revised; e) in Table 1 widths across flats according to ISO 272 have been added; f) dimension kwhas been added in F
7、igure 1 and Table 1; g) the technical delivery conditions have been revised. Previous editions DIN 909: 1943-12, 1956-04, 1973-01, 1983-06, 1992-01 DIN 909:2012-04 4 1 Scope This standard specifies dimensions, masses and technical delivery conditions for pipe plugs which are intended to be screwed i
8、nto holes with parallel thread as specified in DIN 158-1, DIN 3858, DIN EN ISO 228-1 and DIN ISO 261. NOTE 1 Since tightness is a function of pressure, temperature, the materials involved and the fluid with which the threaded parts are in contact, such connections cannot be assumed to be tight. Ther
9、efore, it is recommended that a sealant or seal ring should be provided, particularly where the hole has a thread as specified in DIN ISO 261. NOTE 2 For pipe plugs for use in gas and water supply systems, see the Technische Regeln fr Gasinstallationen (DVGW-TRGI) (DVGW Codes of practice for gas ins
10、tallations)1)and the Technische Regeln fr Trinkwasserinstallationen (TRWI) (Codes of practice for drinking water installations) to DIN 1988-2. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cite
11、d applies. For undated references, the latest edition of the referenced document (including any amendments) applies. DIN 158-1, Metric external taper screw threads and mating internal parallel screw threads Part 1: Nominal sizes, limit deviations, limits of size and verification DIN 267-2, Fasteners
12、 Technical delivery conditions Design and dimensional accuracy DIN 475-1, Widths across flats for bolts, screws, valves and fittings DIN 962, Bolts, screws, studs and nuts Designation, types and finishes DIN 1988-2, Drinking water supply systems Materials, components, appliances, design and installa
13、tion (DVGW code of practice) DIN 3858, Whitworth pipe threads for pipe couplings Parallel internal thread and taper external thread Dimensions DIN EN 10263-2, Steel rod, bars and wire for cold heading and cold extrusion Part 2: Technical delivery conditions for steels not intended for heat treatment
14、 after cold working DIN EN 10277-3, Bright steel products Technical delivery conditions Part 3: Free-cutting steels DIN EN 12476, Phosphate conversion coatings of metals Method of specifying requirements DIN EN 26157-3, Fasteners Surface discontinuities Bolts, screws and studs subject to special req
15、uire-ments DIN EN 28839, Mechanical properties of fasteners Nonferrous metal bolts, screws, studs and nuts DIN EN ISO 225, Fasteners Bolts, screws, studs and nuts Symbols and descriptions of dimensions DIN EN ISO 228-1, Pipe threads where pressure-tight joints are not made on the threads Part 1: Dim
16、en-sions, tolerances and designation DIN EN ISO 3269, Fasteners Acceptance inspection 1) Obtainable from ZfGW-Verlag GmbH, Voltastrae 79, 60486 Frankfurt (Main) DIN 909:2012-04 5 DIN EN ISO 3506-1, Mechanical properties of corrosion-resistant stainless steel fasteners Part 1: Bolts, screws and studs
17、 DIN EN ISO 4042, Fasteners Electroplated coatings DIN EN ISO 4759-1, Tolerances for fasteners Part 1: Bolts, screws, studs and nuts Product grades A, B and C DIN EN ISO 10683, Fasteners Non-electrolytically applied zinc flake coatings DIN ISO 261, ISO general purpose metric screw threads General pl
18、an DIN ISO 272, Fasteners Width across flats for hexagon products DIN ISO 8992, Fasteners General requirements for bolts, screws, studs and nuts DVGW G 600 * TRGI 86/96, Technische Regeln fr Gas-Installationen (Technical rules for gas installations) DVGW-TRGI 1986/1996 3 Symbols The following symbol
19、s apply to pipe plugs: dBbore diameter t depth of bore dBOther relevant symbols and their descriptions are given in DIN EN ISO 225. DIN 909:2012-04 6 4 Dimensions and masses See Figure 1 and Table 1. for d 18 mm for d 20 mm (other dimensions and details as for left-hand illustration) aCentric elevat
20、ion of 0,25 mm for d 18 mm permitted. bCylindrical shoulder or radius 0,8 mm permitted. cScrew thread chamfered to not more than 1,5 P (P = pitch). dFor plugs produced by turning, centre point with a maximum diameter equal to 0,33 dBpermitted. eRecess as a result of manufacturing process permitted.
21、fTaper as a result of manufacturing process permitted. Figure 1 Dimensions of hexagon head pipe plug (notation) DIN 909:2012-04 7 Table 1 Dimensions of hexagon head pipe plugs Dimensions in millimetres d kwb dBeltsat MasscMetric external taper screw thread as in DIN 158-1 Whitworth pipe thread as in
22、 DIN 3858 DIN 475-1 DIN ISO 272 DIN 475-1 DIN ISO 272 Tolerance (7,85 kg/dm) kg/1 000 units (short thread) tolerance class 2 (short thread) min. js16 +IT17 0 min. min. js16 0 1 M10 1 keg R 1/8 2,5 8 7,66 12,5 7 h13 5,72 M12 1,5 keg 2,8 10 7,66 15,0 7 9,10 R 1/4 2,8 10 9,76 8,63 15,0 9 8bh14 12,0 M14
23、 1,5 keg 2,8 10 9,76 8,63 15,0 9 8b 13,2 M16 1,5 keg 3,5 10 10,89 16,0 10 17,9 R 3/8 3,5 10 10,89 16,0 10 19,4 M18 1,5 keg 3,5 10 10,89 16,0 10 21,9 M20 1,5 keg 4,2 10 12 14,20 17,0 13 6 25,0 R 1/2 4,2 10 12 14,20 17,0 13 6 27,2 M22 1,5 keg 4,2 10 14 14,20 17,0 13 6 29,0 M24 1,5 keg 4,8 12 16 18,72
24、17,59 20,0 17 16b7 43,8 (M26 1,5 keg) 4,8 12 16 18,72 17,59 20,0 17 16b7 50,9 M27 2 keg R 3/4 4,8 12 16 18,72 17,59 20,0 17 16b7 51,8 M30 1,5 keg M30 2 keg 6,2 12 20 20,88 19,85 22,0 19 18b7 69,4 M33 2 keg R 1 6,2 12 23 20,88 19,85 22,0 19 18b7 76,2 See page 7 for a,band c. DIN 909:2012-04 8 Table 1
25、 (continued) Dimensions in millimetres d kwb dBeltsat MasscMetric external taper screw thread as in DIN 158-1 Whitworth pipe thread as in DIN 3858 DIN 475-1 DIN ISO 272 DIN 475-1 DIN ISO 272 Tolerance (7,85 kg/dm) kg/1 000 units (short thread) tolerance class 2 (short thread) min. js16 +IT17 0 min.
26、min. js16 0 1 M36 1,5 keg M36 2 keg 7,6 15 26 26,17 27,0 24 h15 10 118 (M38 1,5 keg) 7,6 15 28 26,17 27,0 24 10 125 M39 2 keg 7,6 15 28 26,17 27,0 24 10 130 M42 1,5 keg M42 2 keg R 1 1/4 7,6 18 32 26,17 30,0 24 13 151 M45 1,5 keg M45 2 keg 7,6 18 35 26,17 30,0 24 13 163 M48 1,5 keg M48 2 keg R 1 1/2
27、 9,5 20 38 32,95 35,0 30 15 230 M52 1,5 keg M52 2 keg 9,5 20 42 32,95 35,0 30 15 249 M56 2 keg 9,5 22 46 32,95 37,0 30 17 275 M60 2 keg 9,5 22 50 32,95 37,0 30 17 296 aPipe plugs with widths across flats according to DIN ISO 272 are to be given preference (see example of designation). bFor widths ac
28、ross flats SW 8, SW 16, SW 18 and SW 21, the symbol identifying the width across flats required shall be stated in the designation so as to preclude confusion. cDepending on the width across flats (SW) used, the values deviate slightly. DIN 909:2012-04 9 5 Technical delivery conditions See Table 2.
29、Table 2 Technical delivery conditions Material Steel Stainless steel Nonferrous metal General requirements DIN ISO 8992 Thread Tolerance class DIN 158-1: short thread/ DIN 3858: tolerance class 2 (short thread) Standards Mechanical properties Materialsa11SMnPb30 C10C A1 to A5 Al1 to Al6 Cu1 to Cu7 S
30、tandards DIN EN 10277-3, DIN EN 10263-2 DIN EN ISO 3506-1bDIN EN 28839 Limit deviations, geometrical tolerances Product grade B Standards DIN EN ISO 4759-1, DIN 267-2 Surface finish Coating As processed. As processed. DIN EN 12476 applies with regard to phosphating. DIN EN ISO 4042 applies with rega
31、rd to electroplating. DIN EN ISO 10683 applies with regard to non-electrolytically applied zinc flake coatings. Surface disontinuities DIN EN 26157-3 applies with regard to limits for surface discontinuities. Acceptance inspection DIN EN ISO 3269 applies with regard to acceptance inspection. aOther
32、materials shall be subject to agreement. bFor pipe plugs made of stainless steel verification of compliance with the mechanical properties specified is not required. DIN 909:2012-04 10 6 Designation Designation of a pipe plug with conical thread of thread size d = M20 1,5, made of steel (St): Pipe p
33、lug DIN 909 M20 1,5 St Designation of a pipe plug with conical thread of thread size d = R 1/2, made of steel (St): Pipe plug DIN 909 R 1/2 St Designation of a pipe plug with conical thread of thread size d = M24 1,5 and with a width across flats SW 16, made of steel (St): Pipe plug DIN 909 M24 1,5
34、SW 16 St See DIN 962 for supplementary order designations for special screw types and finishes. DIN 909:2012-04 11 Bibliography DIN 906, Internal drive pipe plugs Conical thread DIN 908, Internal drive screw plugs with collar Cylindrical thread DIN 910, Hexagon head screw plugs with collar Cylindric
35、al thread DIN 5586, Compressed air equipment for rail vehicles Locking screws with collar and vent DIN 7604, Light-duty hexagon head screw plugs DIN EN 10087, Free-cutting steels Technical delivery conditions for semi-finished products, hot-rolled bars and rods DIN EN ISO 3506-2, Mechanical properti
36、es of corrosion-resistant stainless steel fasteners Part 2: Nuts DIN EN ISO 3506-3, Mechanical properties of corrosion-resistant stainless steel fasteners Part 3: Set screws and similar fasteners not under tensile stress DIN ISO 2768-1, General tolerances Tolerances for linear and angular dimensions without individual tolerance indications ISO 9974-4, Connections for general use and fluid power Ports and stud ends with ISO 261 threads with elastomeric or metal-to-metal sealing Part 4: Dimensions, design, test methods and requirements for external hex and internal hex port plugs
