ISO INTERNATIONAL STANDARD 15838 First edition 2003-11-01 Ships and marine technology Fittings for use with gasketed mechanical couplings used in piping applications Performance specification Navires ettechnologiemaritime-Raccordspourutilisationavecles accouplementsmécaniquesavec joints utilisés entuyauterie- Specificationdesperformances Reference number ISO 15838:2003(E) ISO ii Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodies (isO member bodies)._The work of preparing International Standards is normally carried out through ISO InternationalStandardsaredraftedinaccordancewiththerulesgivenintheISO/lECDirectives,Part2 adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of 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. ISO15838 was prepared by Technical Committee ISO/TC 8,Ships and marine technology,Subcommittee SC 3, Piping and machinery. i blank ShipsandmarinetechnologyFittingsforusewithgasketed mechanical couplings used in piping applications - Performance specification 1 Scope This International Standard defines classification, materials, test requirements, inspection requirements. ISO15837. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated (including any amendments) applies. Iso15837,Ships and marine technology-Gasketed mechanical couplings for use in piping systems- Performance specification CouplingsUsedinPipingApplications 3 Terms and definitions For the purposes of this document, the following terms and definitions apply 3.1 fitting NOTE This device is used with pipe or other fttings to create a working system. Shapes such as elbows, tees, crosses, 3.2 fabricated fitting a fitting constructed by welding together sections of pipe or tube 3.3 grooved end fitting type of fitting or pipe having a groove for use with grooved mechanical couplings (Type I) as defined in ISO15837 3.4 plain-end fitting ISO15837 3.5 tangent a section of straight pipe or tube integral to, or welded to, the end(s) of the fitting 1 3.6 wrought fitting a fitting made by shaping, or shaping and welding 3.7 size 4 Classification Fittings are classified by the following design types: Type I, Grooved end; Type Il, Plain end. 5 Ordering information Orders for fittings in accordance with this International Standard shall include the following characteristics: quantity; size; — description (9o° elbow, tee, cross, etc.); type (I or ll); groove style (consult manufacturer); minimum pressure rating; material (ductile iron, steel, aluminium, copper nickel, copper, etc.); finish (painted, galvanized, bare, plated, etc.); other requirements agreed to betweenpurchaserand fittingmanufacturer. 6Materials The materials used for construction of fittings governed by this International Standard shall be as agreed upon by the manufacturer and purchaser, provided that such materials have been used to qualify the joint's performance in accordance with this International Standard. See also ASTM F 1548 for a list of applicable ISO, BSI and ASTM material specifications. 7Designandqualificationrequirements 7.1 Design requirements the manufacturer and purchaser, or by testing. Fittings shall be tested, where required, with gasketed mechanical couplings in accordance with the test requirements of IsO 15837. 7.2 Qualificationrequirements 7.2.1 Mathematical analysis 2 7.2.2 Test The fittings shall be tested, where appropriate, with gasketed mechanical couplings in accordance with the Records of successful tests shall be available at the manufacturer's facility for inspection by the purchaser. 7.2.3Qualification Each type, pressure class, and m