7661 (ISO International Standard INTE RNATIONAL ORGANIZATION FOR STANDARDIZATION MEKAYHAPOAHAA OPrAHW3AUMA NO CTAHAAPTW3AMWORGANISATION INTERNATIONALE DE NORMALISATION Aerospace - Fluid systems -- Clamp blocks for tube lines having axial alignment -- Design standard and qualification testing - Metric series Aéronautique et espace -- Systemes de fluides -- Peignes supports de tuyauteries a alignement axial --- Conception et essais de qualification - Serie metrique First edition -- 1984-12-15 UDC 621.643 : 629.7 Ref. No. ISO 7661-1984 (E) ISO 7661-1984 (E) Descriptors : aircraft, aircraft equipment, hydraulic equipment, pipe supports, specifications, dimensions, tests. Price based on 8 pages Foreword ISo (the International Organization for Standardization) is a woridwide federation of national standards bodies (IsO member bodies). The work of preparing International Standards is normally carried out through ISo technicai committees. Each member the right to be represented on that committee. International organizations, govern- mental and non-governmental, in liaison with iso, also take part in the work. Draft International Standards adopted by the technical committees are circulated to the member bodies for approval before their acceptance as International Standards by the iso Council. They are approved in accordance with ISO procedures requiring at least 75 % approval by the member bodies voting. International Standard ISo 7661 was prepared by Technicaf Committee ISO/TC 20, Aircraft and space vehicles. Internationai Organization for Standardization, 1984 ? Printed in Switzerland Contents Page Scope and fieid of application . 1 References 3 Definitions Classification of clamp blocks ... 4 5 Dimensionsofclampblocks Temperature conditions . 6 Qualificationtests.. 7.1Electrical tests (for clamp blocks with electricai grounding).............. 7.2Mechanical tests .... 7.3 Climatictests 7.4 Flame resistance test..