Connections for general use and fluid power. Ports and stud ends with ISO 261 threads with elastomeric or metal-to-metal sealing. Part 3: Stud ends with metal-to-metal sealing (type B) (ISO 9974-3:1996)
Tuote ladattavissa hetiToimitusaika on noin 1 - 2 työpäivääToimitusaika on 3 - 5 työpäivää.
Specifies dimensions, performance requirements and test procedures for heavy-duty (S series), light-duty (L series) and extra-light-duty (LL series) stud ends with ISO 261 threads and metal-to-metal sealing. It also specifies the designation of these stud ends.
Tämän julkaisun valmistelusta Suomessa vastaa Metalliteollisuuden Standardisointiyhdistys ry, puh. 09 19 231 (vaihde).
Sisällysluettelo
Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
4 Dimensions
5 Requirements
5.1 Working pressure
5.2 Performance
6 Metal-to-metal sealing
7 Test methods
7.1 Burst pressure test
7.2 Cyclic endurance (impulse) test
8 Designation of stud ends
9 Identification statement (Reference to this part of ISO 9974)
Annex A Test data form for ISO 9974-1 ports and ISO 9974-3 stud ends (normative)
ISO 261:1998 ISO general purpose metric screw threads -- General plan
ISO 3448:1992 Industrial liquid lubricants -- ISO viscosity classification
ISO 4759-1:1978 Tolerances for fasteners -- Part 1: Bolts, screws and nuts with thread diameters between 1,6 (inclusive) and 150 mm (inclusive) and product grades A, B and C
ISO 261:1998 ISO general purpose metric screw threads -- General plan
ISO 3448:1992 Industrial liquid lubricants -- ISO viscosity classification
ISO 4759-1:1978 Tolerances for fasteners -- Part 1: Bolts, screws and nuts with thread diameters between 1,6 (inclusive) and 150 mm (inclusive) and product grades A, B and C
ISO 5598:1985 Fluid power systems and components -- Vocabulary
ISO 6508:1986 Metallic materials -- Hardness test -- Rockwell test (scales A - B - C - D - E - F - G - H - K)
ISO 6803:1994 Rubber or plastics hoses and hose assemblies -- Hydraulic-pressure impulse test without flexing