1、 ISO 2014 Fire protection Automatic sprinkler systems Part 12: Requirements and test methods for grooved-end components for steel pipe systems Protection contre lincendie Systmes dextinction automatiques du type sprinkler Partie 12: Exigences et mthodes dessai pour les raccords de tuyauterie en acie
2、r extrmits rainures INTERNATIONAL STANDARD ISO 6182-12 Second edition 2014-12-15 Reference number ISO 6182-12:2014(E) ISO 6182-12:2014(E)ii ISO 2014 All rights reserved COPYRIGHT PROTECTED DOCUMENT ISO 2014 All rights reserved. Unless otherwise specified, no part of this publication may be reproduce
3、d or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISOs member body in the country of the requester. IS
4、O copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Published in Switzerland ISO 6182-12:2014(E)Contents Page Foreword iv Introduction v 1 Scope . 1 2 Normative references 1 3 T erms and definitions . 2 4 Product c
5、onsistency 2 5 Product assembly. 2 6 Requirements 3 6.1 Standard grooved-end dimensions . 3 6.2 Minimum pipe wall thickness 3 6.3 Mechanical coupling housing . 3 6.4 Pressure-responsive gasket . 3 6.5 Bolts 3 6.6 Nuts . 8 6.7 Hinge pins 8 6.8 Flexible coupling . 8 6.9 Vacuum (see 7.2) . 8 6.10 Air l
6、eakage (see 7.3) . 8 6.11 Low-temperature exposure (see 7.4) 8 6.12 Heat ageing (see 7.5) . 8 6.13 Hydrostatic pressure (see 7.6) 8 6.14 Bending moment (see 7.7) 8 6.15 Gasket material evaluation . 8 6.16 Fire resistance (see 7.8) 9 6.17 Rated working pressure 9 6.18 Nominal sizes . 9 7 Test methods
7、 . 9 7.1 Test assembly . 9 7.2 Vacuum (see 6.9) . 9 7.3 Air leakage (see 6.10) .10 7.4 Low-temperature exposure (see 6.11) 10 7.5 Heat aging (see 6.12) 10 7.6 Hydrostatic pressure test (see 6.13) .11 7.7 Bending moment (see 6.14) .11 7.8 Fire resistance (see 6.16) 15 8 Markings 15 8.1 Housing markin
8、gs .15 8.2 Gasket markings .15 8.3 Manufacturers installation instructions .16 ISO 2014 All rights reserved iii ISO 6182-12:2014(E) Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing Inte
9、rnational Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison wi
10、th ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directive
11、s, Part 1. In particular the different approval criteria needed for the different types of ISO documents should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives). Attention is drawn to the possibility that some o
12、f the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of any patent rights identified during the development of the document will be in the Introduction and/or on the ISO list of patent declaratio
13、ns received (see www.iso.org/patents). Any trade name used in this document is information given for the convenience of users and does not constitute an endorsement. For an explanation on the meaning of ISO specific terms and expressions related to conformity assessment, as well as information about
14、 ISOs adherence to the WTO principles in the Technical Barriers to Trade (TBT), see the following URL: Foreword Supplementary information. The committee responsible for this document is ISO/TC 21, Equipment for fire protection and firefighting, Subcommittee SC 5, Fixed firefighting systems using wat
15、er. This second edition cancels and replaces the first edition (ISO 6182-12:2010), which has been technically revised. ISO 6182 consists of the following parts, under the general title Fire protection Automatic sprinkler systems: Part 1: Requirements and test methods for sprinklers Part 2: Requireme
16、nts and test methods for wet alarm valves, retard chambers and water motor alarms Part 3: Requirements and test methods for dry pipe valves Part 4: Requirements and test methods for quick-opening devices Part 5: Requirements and test methods for deluge valves Part 6: Requirements and test methods fo
17、r check valves Part 7: Requirements and test methods for early suppression fast response (ESFR) sprinklers Part 8: Requirements and test methods for pre-action dry alarm valves Part 9: Requirements and test methods for water mist nozzles Part 10: Requirements and test methods for domestic sprinklers
18、 Part 11: Requirements and test methods for pipe hangers Part 12: Requirements and test methods for grooved-end components for steel pipe systemsiv ISO 2014 All rights reserved ISO 6182-12:2014(E) Introduction This part of ISO 6182 is one of a number of International Standards prepared by ISO/TC 21
19、covering components for automatic sprinkler systems. They are included in a series of International Standards planned to cover the following: a) carbon dioxide systems (ISO 6183); b) explosion protection systems (ISO 6184). ISO 2014 All rights reserved v Fire protection Automatic sprinkler systems P
20、art 12: Requirements and test methods for grooved-end components for steel pipe systems 1 Scope This part of ISO 6182 specifies performance requirements, grooving dimensions, test methods, and marking requirements for couplings used in the joining of roll and cut grooved steel tube, pipe, grooved- e
21、nd fittings, and other grooved-end components up to 300 mm in nominal diameter. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undate
22、d references, the latest edition of the referenced document (including any amendments) applies. ISO 37, Rubber, vulcanized or thermoplastic Determination of tensile stress-strain properties ISO 188, Rubber, vulcanized or thermoplastic Accelerated ageing and heat resistance tests ISO 898-1, Mechanica
23、l properties of fasteners made of carbon steel and alloy steel Part 1: Bolts, screws and studs with specified property classes Coarse thread and fine pitch thread ISO 898-2, Mechanical properties of fasteners made of carbon steel and alloy steel Part 2: Nuts with specified property classes Coarse th
24、read and fine pitch thread ISO 1083, Spheroidal graphite cast irons Classification ISO 4200:1991, Plain end steel tubes, welded and seamless General tables of dimensions and masses per unit length ASTM A47 /A47M-99(2004), Standard Specification for Ferritic Malleable Iron Castings ASTM A153/A153M, S
25、tandard Specification for Zinc Coating (Hot-Dip) on Iron and Steel Hardware ASTM A183, Standard Specification for Carbon Steel Track Bolts and Nuts ASTM A536-84(2004), Standard Specification for Ductile Iron Castings ASTM A563-07a, Standard Specification for Carbons and Alloy Steel Nuts ASTM B633-07
26、, Standard Specification for Electrodeposited Coatings of Zinc on Iron and Steel ASTM D395-03, Standard Test Methods for Rubber Property Compression Set EN 12329, Corrosion protection of metals Electrodeposited coatings of zinc with supplementary treatment on iron or steel VdS 2100-6:2002-5(01), Gui
27、delines for water extinguishing systems Pipe joints Requirements and test methods INTERNATIONAL ST ANDARD ISO 6182-12:2014(E) ISO 2014 All rights reserved 1 ISO 6182-12:2014(E) 3 T erms a nd definiti ons For the purposes of this document, the following terms and definitions apply. 3.1 grooved-end co
28、mponents pipe, tubes, fittings, and other components that are used to form grooved mechanical coupling joints 3.2 mechanical coupling device consisting of two or more housings, fasteners such as bolts and nuts and a pressure-responsive gasket, used to mechanically join grooved pipe, tubing, valves,
29、fittings, and other grooved-end components to form a sealed joint 3.2.1 f l e x i b l e m e c h a n i c a l c o u p l i n g mechanical coupling forming a sealed joint in which there is limited angular, axial, and rotational movement without overstressing the pipe joint Note 1 to entry: See 6.8. 3.2.
30、2 rigid mechanical coupling mechanical coupling forming a sealed joint in which there is essentially no free angular, axial, or rotational movement 3.3 mechanical coupling housing structural parts of a mechanical coupling that mechanically fit onto grooved pipes, tubes, fittings, and other grooved-e
31、nd components to provide restraint and enclosure of the gasket 3.4 OD outside diameter 3.5 pressure-responsive gasket gasket that improves its seal with the application of pressure; that is, additional pressure results in additional force between the gasket and the surface to which it is sealing 3.6
32、 rated working pressure maximum service pressure at which a grooved piping system is intended to operate 4 Product consistency It shall be the responsibility of the manufacturer to implement a quality-control programme to ensure that production consistency meets the requirements of this part of ISO
33、6182 in the same manner as the originally tested samples. 5 Product assembly Installation instructions shall be provided by the manufacturer and shall include at least the following: a) assembly procedure for the installation of couplings; b) grooved-end component specifications, with which the coup
34、ling is intended to be used, including minimum pipe wall thickness; c) bolt torque specification, where required by the manufacturer;2 ISO 2014 All rights reserved ISO 6182-12:2014(E) d) maximum allowable movement for flexible couplings; e) specification for permissible media within the pipe in conj
35、unction with the gasket material (see 8.2 for colour codes). 6 Requirements 6.1 Standard grooved-end dimensions NOTE This clause gives standard dimensions for grooved ends that the coupling manufacturer may refer to if he does not need to specify special dimensions for the grooved ends compatible to
36、 his coupling. Couplings for grooved ends of special dimensions may be subjected to special tests to determine their suitability. 6.1.1 Roll grooved-end dimensions The standard dimensions of roll grooved ends shall be in accordance with Table 1. See also Figure 1. 6.1.2 Cut grooved-end dimensions Th
37、e standard dimensions of cut grooved ends shall be in accordance with Table 2. See also Figure 2. 6.1.3 Cast grooved-end dimensions The standard dimensions of cast grooved ends shall be in accordance with Table 3. 6.2 Minimum pipe wall thickness 6.2.1 Grooved-end pipe couplings tested in accordance
38、with 7.7.1 shall be tested with pipe according to ISO 4200:1991, Table 1; range D. Pipe with higher wall thickness may be used, if this corresponds to the minimum wall thickness specified by the manufacturer. 6.2.2 Grooved-end pipe couplings tested in accordance with 7.7.2 shall be tested with pipe
39、having the minimum nominal wall thickness specified in the manufacturers installation instructions. 6.3 Mechanical coupling housing The casting materials of the housings shall be ductile iron in accordance with ISO 1083, Grade 400-15; ASTM A536-84(2004), Grade 65-45-12 or malleable iron in accordanc
40、e with ASTM A47 /A47M-99(2004), Grade 32510 or 32518; or material having equivalent strength and corrosion resistance. When requested on purchase order, the housing shall be galvanized in accordance with ASTM A153/A153M or EN 12329. 6.4 Pressure-responsive gasket Materials for the coupling gaskets s
41、hall be ethylene-propylene diene m-class-rubber (EPDM), nitrile, silicone rubber, or other elastomeric materials suitable for the intended service. 6.5 Bolts Oval neck track head bolts shall be in accordance with ISO 898-1, Class 8.8, heavy hex bolts in accordance with ASTM A183 or other bolts which
42、 prevent rotation and have a minimum tensile strength of 800 N/mm 2 . Bolts shall be zinc plated in accordance with ASTM B633-07, SC1 or EN 12329, or be of a material that provides at least equivalent corrosion resistance. ISO 2014 All rights reserved 3 ISO 6182-12:2014(E) T a b l e 1 R o l l g r o
43、o v e d - e n d d i m e n s i o n a l s p e c i f i c a t i o n s Dimensions in millimetres Pipe or tube (OD) tolerance D i m e n s ion a l s p e c i f ic a t ion s Size Outside diameter Gasket seat A +/-0,76 Groove width B +/-0,76 Grooved diameter C Groove depth D a Min. allow. wall thickness T Ma
44、x . f lare F Dia. Actual Tolerance Actual Tolerance 25 33,7 +0,41 -0,68 15,88 7,14 30,23 -0,38 1,60 1,8 36,3 32 42,4 +0,50 -0,60 15,88 7,14 38,99 -0,38 1,60 1,8 45,0 40 48,3 +0,44 -0,52 15,88 7,14 45,09 -0,38 1,60 1,8 51,1 50 60,3 -0,61 15,88 8,74 57,15 -0,38 1,60 1,8 63,0 65 73,0 -0,74 15,88 8,74 6
45、9,09 -0,46 1,98 2,3 75,7 65 76,1 -0,76 15,88 8,74 72,26 -0,46 1,98 2,3 78,7 80 88,9 +0,89 -0,79 15,88 8,74 84,94 -0,46 1,98 2,3 91,4 90 101,6 +1,02 -0,79 15,88 8,74 97, 38 -0,51 2,11 2,3 104,1 100 108,0 +1,07 -0,79 15,88 8,74 103,73 -0,51 2,11 2,3 110,5 100 114,3 +1,14 -0,79 15,88 8,74 110,08 -0,51
46、2,11 2,3 116,8 125 133,9 +1,32 -0,79 15,88 8,74 129,13 -0,51 2,11 2,9 135,9 125 139,7 +1,40 -0,79 15,88 8,74 135,48 -0,51 2,11 2,9 142,2 125 141,3 +1,42 -0,79 15,88 8,74 137,03 -0,56 2,13 2,9 143,8 150 159,0 +1,60 -0,79 15,88 8,74 154,5 -0,56 2,16 2,9 161,3 150 165,1 +1,60 -0,79 15,88 8,74 160,90 -0
47、,56 2,16 2,9 167,6 150 168,3 +1,60 -0,79 15,88 8,74 163,96 -0,56 2,16 2,9 170,9 200 219,1 +1,60 -0,79 19,05 11,91 214,40 -0,64 2,34 2,9 223,5 250 273,0 +1,60 -0,79 19,05 11,91 268,28 -0,69 2,39 3,6 277,4 300 323,9 +1,60 -0,79 19,05 11,91 318,29 -0,76 2,77 4,0 328,2 aDimension for reference only, gro
48、ove diameter is determined by C.4 ISO 2014 All rights reserved ISO 6182-12:2014(E) T a b l e 2 C u t g r o o v e d - e n d d i m e n s i o n a l s p e c i f i c a t i o n s Dimensions in millimetres Pipe or tube D i m e n s ion a l s p e c i f ic a t ion s Nominal size (OD) Outside diameter Gasket s
49、eat A +/-0,76 Groove width B +/-0,76 Grooved diameter C Groove depth D a Min. allow. wall thickness T Actual Tolerance Actual Tolerance 25 33,7 +0,41 -0,68 15,88 7, 54 30,23 -0,38 1,60 3,4 32 42,4 +0,50 -0,60 15,88 7, 54 38,99 -0,38 1,60 3,6 40 48,3 +0,44 -0,52 15,88 7, 54 45,09 -0,38 1,60 3,7 50 60,3 +0,61 15,88 8,36 57,15 -0,38 1,60 3,9 65 73,0 +0,74 15,88 8,36 69,09 -0,46 1,98 4,8 65 76,1 +0,76 15,88 8,36 72,26 -0,46 1,98 4,8 80 88,9 +0,89 -0,79 15,88 8,36 84,94 -0,46 1,98 4
