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UNI EN ISO 8434-1 : 2007

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

METALLIC TUBE CONNECTIONS FOR FLUID POWER AND GENERAL USE - PART 1: 24 DEGREE CONE CONNECTORS
Superseded date

09-14-2022

Published date

01-01-2007

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Materials
   4.1 General
   4.2 Connector bodies
   4.3 Nuts
   4.4 Cutting rings
   4.5 O-rings
5 Pressure/temperature requirements
6 Designation of connectors
7 Requirements for tubes
8 Across-flats dimensions and tolerances
9 Design
   9.1 Connectors
   9.2 Dimensions
   9.3 Passage tolerances
   9.4 Angular tolerances
   9.5 Contour details
   9.6 Ports and stud ends
   9.7 Stud end sealing
10 Screw threads
   10.1 Cone ends and nuts
   10.2 Stud ends (connection ends)
11 Manufacture
   11.1 Construction
   11.2 Workmanship
   11.3 Finish
   11.4 Corners
12 Assembly instruction
13 Procurement information
14 Marking of components
15 Performance and qualification test
   15.1 General
   15.2 Repeated assembly test
   15.3 Proof test
   15.4 Burst pressure test
   15.5 Cyclic endurance (impulse) test
   15.6 Vibration test
   15.7 Leakage (gas) test
   15.8 Overtightening test
16 Identification statement (reference to this part of ISO 8434)
Bibliography

Describes the general and dimensional requirements for 24 degree cone connectors using cutting ring and O-ring seal cone (referred to as DKO) suitable for use with ferrous and non-ferrous tubes with outside diameters from 4 mm to 42 mm inclusive.

DevelopmentNote
Supersedes UNI EN ISO 8434-4. (08/2009)
DocumentType
Standard
PublisherName
Ente Nazionale Italiano di Unificazione (UNI)
Status
Superseded
SupersededBy
Supersedes

UNI 9463-2 : 2012 ODORISATION PLANTS AND ODORANT STORAGES FOR COMBUSTIBLE GASES EMPLOYED IN DOMESTIC OF SIMILAR USES - PART 2: ODORISATION PLANTS - DESIGN, CONSTRUCTION, TESTING AND SURVEILLANCE

ISO 1179-1:2013 Connections for general use and fluid power — Ports and stud ends with ISO 228-1 threads with elastomeric or metal-to-metal sealing — Part 1: Threaded ports
ISO 5598:2008 Fluid power systems and components Vocabulary
ISO 4399:1995 Fluid power systems and components Connectors and associated components Nominal pressures
ISO 4759-1:2000 Tolerances for fasteners — Part 1: Bolts, screws, studs and nuts — Product grades A, B and C
ISO 12151-2:2003 Connections for hydraulic fluid power and general use — Hose fittings — Part 2: Hose fittings with ISO 8434-1 and ISO 8434-4 24 degree cone connector ends with O-rings
ISO 4397:2011 Fluid power connectors and associated components — Nominal outside diameters of tubes and nominal hose sizes
ISO 9974-1:1996 Connections for general use and fluid power Ports and stud ends with ISO 261 threads with elastomeric or metal-to-metal sealing Part 1: Threaded ports
ISO 9974-3:1996 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 9974-2:1996 Connections for general use and fluid power — Ports and stud ends with ISO 261 threads with elastomeric or metal-to-metal sealing — Part 2: Stud ends with elastomeric sealing (type E)
ISO 3305:1985 Plain end welded precision steel tubes — Technical conditions for delivery
ISO 1179-4:2007 Connections for general use and fluid power Ports and stud ends with ISO 228-1 threads with elastomeric or metal-to-metal sealing Part 4: Stud ends for general use only with metal-to-metal sealing (type B)
ISO 6149-3:2006 Connections for hydraulic fluid power and general use Ports and stud ends with ISO 261 metric threads and O-ring sealing Part 3: Dimensions, design, test methods and requirements for light-duty (L series) stud ends
ISO 19879:2010 Metallic tube connections for fluid power and general use Test methods for hydraulic fluid power connections
ISO 6149-2:2006 Connections for hydraulic fluid power and general use Ports and stud ends with ISO 261 metric threads and O-ring sealing Part 2: Dimensions, design, test methods and requirements for heavy-duty (S series) stud ends
ISO 286-1:2010 Geometrical product specifications (GPS) ISO code system for tolerances on linear sizes Part 1: Basis of tolerances, deviations and fits
ISO 6149-1:2006 Connections for hydraulic fluid power and general use Ports and stud ends with ISO 261 metric threads and O-ring sealing Part 1: Ports with truncated housing for O-ring seal
ISO 3304:1985 Plain end seamless precision steel tubes — Technical conditions for delivery
ISO 286-2:2010 Geometrical product specifications (GPS) ISO code system for tolerances on linear sizes Part 2: Tables of standard tolerance classes and limit deviations for holes and shafts
ISO 9227:2017 Corrosion tests in artificial atmospheres — Salt spray tests
ISO 261:1998 ISO general purpose metric screw threads General plan
ISO 965-1:2013 ISO general purpose metric screw threads — Tolerances — Part 1: Principles and basic data
ISO 228-2:1987 Pipe threads where pressure-tight joints are not made on the threads Part 2: Verification by means of limit gauges
ISO 3601-3:2005 Fluid power systems O-rings Part 3: Quality acceptance criteria
ISO 48:2010 Rubber, vulcanized or thermoplastic Determination of hardness (hardness between 10 IRHD and 100 IRHD)
ISO 1179-2:2013 Connections for general use and fluid power — Ports and stud ends with ISO 228-1 threads with elastomeric or metal-to-metal sealing — Part 2: Heavy-duty (S series) and light-duty (L series) stud ends with elastomeric sealing (type E)
ISO 228-1:2000 Pipe threads where pressure-tight joints are not made on the threads Part 1: Dimensions, tolerances and designation
ISO 1179-3:2007 Connections for general use and fluid power Ports and stud ends with ISO 228-1 threads with elastomeric or metal-to-metal sealing Part 3: Light-duty (L series) stud ends with sealing by O-ring with retaining ring (types G and H)
ISO 1127:1992 Stainless steel tubes Dimensions, tolerances and conventional masses per unit length

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