ISO - Pipe, Tube and Fittings Standards and Specifications 

International Organization for Standardization - ISO - pipe, tube and fittings standards and specifications Industrial pipe, tube and fittings standards and specifications from the ISO - International Organization for Standardization: 

ISO 7-1:1994-05 Pipe threads where pressure-tight joints are made on the threads - Part 1: Dimensions, tolerances and designation 

ISO 7-2:2000Pipe threads where pressure-tight joints are made on the threads - Part 2: Verification by means of limit gauges

ISO 49:1994Malleable cast iron fittings threaded to

ISO 7-1  ISO 228-1:2000 Pipe threads where pressure-tight joints are not made on the threads - Part 1: Dimensions, tolerances and designation

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 264:1976 Unplasticized polyvinyl chloride (PVC) fittings with plain sockets for pipes under pressure; Laying lengths; Metric series 

ISO 265-1:1988 Pipes and fittings of plastics materials; fittings for domestic and industrial waste pipes; basic dimensions: metric series; part 1: unplasticized poly(vinyl chloride) (PVC-U) 

ISO 392:1986 Asbestos-cement pipe fittings for building and sanitary purposes

ISO 580:1990Injection-molded unplasticized poly(vinyl chloride) (PVC-U) fittings; oven test; test method and basic specifications 

ISO 727-1:2002 Fittings made from unplasticized poly(vinyl chloride) (PVC-U), chlorinated poly(vinyl chloride) (PVC-C) or acrylonitrile/butadiene/styrene (ABS) with plain sockets for pipes under pressure - Part 1: Metric series

ISO 727-2:2002 Fittings made from unplasticized poly(vinyl chloride) (PVC-U), chlorinated poly(vinyl chloride) (PVC-C) or acrylonitrile/butadiene/styrene (ABS) with plain sockets for pipes under pressure - Part 2: Inch-based series

ISO 881:1980 Asbestos-cement pipes, joints, fittings/sewage/drain 

ISO 1179:1981 Pipe connections, threaded to ISO 228/1, for plain end steel and other metal tubes in industrial applications 

ISO 1635-2:1987 Seamless wrought copper and copper alloy tube 

ISO 1651:1974 Tube drawing mandrels

ISO 1684:1975 Wire, bar and tube drawing dies; Specifications 

ISO 2016:1981 Capillary solder fittings for copper tubes; Assembly dimensions and tests 

ISO 2035:1974 Unplasticized polyvinyl chloride (PVC) moulded fittings for elastic sealing ring type joints for use under pressure; Pressure-resistance test 

ISO 2044:1974Unplasticized polyvinyl chloride (PVC) injection-moulded solvent-welded socket fittings for use with pressure pipe; Hydraulic internal pressure test 

ISO 2048:1990 Double-socket fittings for unplasticized poly(vinyl chloride) (PVC-U) pressure pipes with elastic sealing ring type joints; minimum depths of engagement 

ISO 2284:1987 Hand taps for parallel and taper pipe threads; General dimensions and marking 

ISO 2507-1:1995Thermoplastics pipes and fittings - Vicat softening temperature - Part 1: General test method

ISO 2507-2:1995 Thermoplastics pipes and fittings - Vicat softening temperature - Part 2: Test conditions for unplasticized poly(vinyl chloride) (PVC-U) or chlorinated poly(vinyl chloride) (PVC-C) pipes and fittings and for high impact resistance poly(vinyl chloride) (PVC-HI) pipes 

ISO 2507-3:1995 Thermoplastics pipes and fittings - Vicat softening temperature - Part 3: Test conditions for acrylonitrile/butadiene/styrene (ABS) and acrylonitrile/styrene/acrylic ester (ASA) pipes and fittings

ISO 2531:1998Ductile iron pipes, fittings, accessories and their joints for water or gas applications

ISO 2804:1996 Wire, bar or tube drawing dies - As-sintered pellets of hardmetal (carbide) - Dimensions

ISO 2851:1993 Stainless steel bends and tees for the food industry ISO 2852:1993 Stainless steel clamp pipe couplings for the food industry 

ISO 3183-1:1996 Petroleum and natural gas industries - Steel pipe for pipelines - Technical delivery conditions - Part 1: Pipes of requirement class A 

ISO 3183-2:1996 Petroleum and natural gas industries - Steel pipe for pipelines - Technical delivery conditions - Part 2: Pipes of requirements class B

ISO 3253:1998 Gas welding equipment - Hose connections for equipment for welding, cutting and allied processes 

ISO/TR 3313:1998 Measurement of fluid flow in closed conduits - Guidelines on the effects of flow pulsations on flow-measurement instruments

ISO 3419:1981Non-alloy and alloy steel butt-welding fittings

ISO 3458:1976 Assembled joints between fittings and polyethylene (PE) pressure pipes ; Test of leakproofness under internal pressure 

ISO 3459:1976 Polyethylene (PE) pressure pipes; Joints assembled with mechanical fittings; Internal under-pressure test method and requirement

ISO 3477:1981 Polypropylene (PP) pipes and fittings - density

ISO 3501:1976 Assembled joints between fittings and polyethylene (PE) pressure pipes; Test of resistance to pull out

ISO 3503:1976 Assembled joints between fittings and polyethylene (PE) pressure pipes; Test of leakproofness under internal pressure when subjected to bending  

ISO 3514:1976 Chlorinated polyvinyl chloride (CPVC) pipes and fittings; Specification and determination of density

ISO 3545-1:1989 Steel tubes and fittings; symbols for use in specifications; part 1: tubes and tubular accessories with circular cross-section 

ISO 3545-2:1989 Steel tubes and fittings; symbols for use in specifications; part 2: square and rectangular hollow sections

ISO 3545-3:1989 Steel tubes and fittings; symbols for use in specifications; part 3: tubular fittings with circular cross-section 

ISO 3586:1976Glass plant, pipeline and fittings; general rules for testing, handling and use

ISO 3587:1976Glass plant, pipeline and fittings; Pipeline and fittings of nominal bore 15 to 150 mm; Compatibility and interchangeability 

ISO 3603:1977 Fittings for unplasticized polyvinyl chloride (PVC) pressure pipes with elastic sealing ring type joints; Pressure test for leakproofness 

ISO 3604:1976 Fittings for unplasticized polyvinyl chloride (PVC) pressure pipes with elastic sealing ring type joints; Pressure test for leakproofness under conditions of external hydraulic pressure

ISO 3633:2002 Plastics piping systems for soil and waste discharge (low and high temperature) inside buildings - Unplasticized poly(vinyl chloride) (PVC-U) 

ISO 4056:1978 Polyethylene (PE) pipes and fittings- designation

ISO 4059:1978 Polyethylene (PE) pipes; Pressure drop in mechanical pipe-jointing systems; Method of test and requirements 

ISO 4132:1979 Unplasticized polyvinyl chloride (PVC) and metal adaptor fittings for pipes under pressure; Laying lengths and size of threads; Metric series

ISO 4144:2003 Pipework - Stainless steel fittings threaded in accordance with

ISO 7-1 ISO 4145:1986 Non-alloy steel fittings threaded to

ISO 7/1 ISO 4230:1987 Hand- and machine-operated circular screwing dies for taper pipe threads; R series

ISO 4231:1987 Hand- and machine-operated circular screwing dies for parallel pipe threads - G series 

ISO 4397:1993 Fluid power systems and components; connectors and associated components; nominal outside diameters of tubes and nominal inside diameters of hoses 

ISO 4439:1979 Unplasticized polyvinyl chloride (PVC) pipes and fittings; Determination and specification of density

ISO 4422-1:1996Pipes and fittings made of unplasticized poly(vinyl chloride) (PVC-U) for water supply - Specifications - Part 1: General

ISO 4422-2:1996 Pipes and fittings made of unplasticized poly(vinyl chloride) (PVC-U) for water supply - Specifications - Part 2: Pipes (with or without integral sockets)

ISO 4422-3:1996Pipes and fittings made of unplasticized poly(vinyl chloride) (PVC-U) for water supply - Specifications - Part 3: Fittings and joints 

ISO 4422-5:1997 Pipes and fittings made of unplasticized poly(vinyl chloride) (PVC-U) for water supply - Specifications - Part 5: Fitness for purpose of the system

ISO 4435:2003 Plastics piping systems for non-pressure underground drainage and sewerage - Unplasticized poly(vinyl chloride) (PVC-U) 

ISO 4440-1:1994 Thermoplastics pipes and fittings - Determination of melt mass-flow rate - Part 1: Test method

ISO 4440-2:1994 Thermoplastics pipes and fittings - Determination of melt mass-flow rate - Part 2: Test conditions 

ISO 4451:1980 Polyethylene (PE) pipes and fittings - determinati 

ISO 4483:1979 Asbestos-cement pipelines; Field pressure testing ISO 4486:1985Asbestos-cement ventilation ducts and fittings; Dimensions and characteristics

ISO 4488:1979 Asbestos-cement pipes and joints for thrust-boring and pipe jacking 

ISO 4704:1977Glass plant, pipeline and fittings; Glass plant components 

ISO/TR 5168:1998 Measurement of fluid flow - Evaluation of uncertainties ISO 5251:1981Stainless steel butt-welding fittings 

ISO 5256:1985 Steel pipes and fittings for buried or submerged pipe lines; External and internal coating by bitumen or coal tar derived materials 

ISO 5361:1999 Anaesthetic and respiratory equipment - Tracheal tubes and connectors

ISO 5730:1992 Stationary shell boilers of welded construction (other than water-tube boilers)

ISO 5969:1979 Ground thread taps for pipe threads G series and Rp series; Tolerances on the threaded portion 

ISO 6207:1992 Seamless nickel and nickel alloy tube

ISO 6447:1983Rubber seals; Joint rings used for gas supply pipes and fittings; Specification for material 

ISO 6448:1985 Rubber seals; Joint rings used for petroleum product supply pipes and fittings; Specification for material 

ISO 6455:1983 Unplasticized polyvinyl chloride (PVC) fittings with elastic sealing ring type joints for pipes under pressure; Dimensions of laying lengths; Metric series 

ISO 6594:1983 Cast iron drainage pipes and fittings; Spigot series 

ISO 6605:2002 Hydraulic fluid power - Hoses and hose assemblies - Test methods

ISO 6761:1981Steel tubes; Preparation of ends of tubes and fittings for welding 

ISO 6964:1986 Polyolefin pipes and fittings; Determination of carbon black content by calcination and pyrolysis; Test method and basic specification

ISO/TR 7074:1986Performance requirements for plastics pipes and fittings for use in underground drainage and sewage 

ISO 7228:1993 Tracheal tube connectors

ISO 7245:1984Pipes and fittings of acrylonitrile-butadiene- styrene (ABS); General specification for moulding and extrusion materials

ISO 7246:1984Pipes and fittings of acrylonitrile/styrene/ acrylester (ASA); General specification for moulding and extrusion materials

ISO 7268:1983 Pipe components; Definition of nominal pressure

ISO 7278-2:1988 Liquid hydrocarbons; dynamic measurement; proving systems for volumetric meters; part 2: pipe provers 

ISO 7279:1984 Polypropylene (PP) fittings for pipes under pressure; Sockets for fusion using heated tools; Metric series; Dimensions of sockets 

ISO 7370:1982 Glass fibre reinforced thermosetting plastics (GRP) pipes and fittings; Nominal diameters, specified diameters and standard lengths 

ISO 7387-1:1983 Adhesives with solvents for assembly of u PVC pipe elements; Characterization; Part 1 : Basic test methods 

ISO 7608:1985 Shipbuilding; Inland navigation; Couplings for disposal of oily mixture and sewage water 

ISO 7671:2003Plastics piping systems for soil and waste discharge (low and high temperature) inside buildings - Polypropylene (PP) 

ISO 7675:2003 Plastic piping systems for soil and waste discharge (low and high temperature) inside buildings - Chlorinated poly(vinyl chloride) (PVC-C) 

ISO 7682:2003Plastics piping systems for soil and waste discharge (low and high temperature) inside buildings - Acrylonitrile-butadiene-styrene (ABS) 

ISO 7686:1992Plastics pipes and fittings; opacity; test method

ISO 8142:1990 Thermal insulation; bonded preformed man-made mineral fiber pipe sections; specification

ISO 8283-1:1991Plastics pipes and fittings; dimensions of sockets and spigots for discharge systems inside buildings; part 1: unplasticized poly(vinyl chloride) (PVC-U) and chlorinated poly(vinyl chloride) (PVC-C)

ISO 8283-2:1992 Plastics pipes and fittings; dimensions of sockets and spigots for discharge systems inside buildings; part 2: polyethylene (PE) 

ISO 8283-3:1992 Plastics pipes and fittings; dimensions of sockets and spigots for discharge systems inside buildings; part 3: polypropylene (PP)

ISO 8283-4:1992 Plastics pipes and fittings; dimensions of sockets and spigots for discharge systems inside buildings; part 4: acrylonitrile/butadiene/styrene (ABS)

ISO 8361-1:1991 Thermoplastics pipes and fittings; water absorption; part 1: general test method

ISO 8361-2:1991 Thermoplastics pipes and fittings; water absorption; part 2: test conditions for unplasticized poly(vinyl chloride) (PVC-U) pipes and fittings  

ISO 8361-3:1991 Thermoplastics pipes and fittings; water absorption; part 3: test conditions for acrylonitrile/butadiene/styrene (ABS) pipes and fittings 

ISO 8434-1, :1994 Metallic tube connections for fluid power and general use - Part 1: 24° compression fittings 

ISO 8434-2:1994 Metallic tube fittings for fluid power and general use - Part 2: 37° flared fittings 

ISO 8434-3:1995 Metallic tube connections for fluid power and general use - Part 3: O-ring face seal fittings

ISO 8434-4:1995 Metallic tube connections for fluid power and general use - Part 4: 24° cone connectors with O-ring weld-on nipples 

ISO 8434-5:1995 Metallic tube connections for fluid power and general use - Part 5: Test methods for threaded hydraulic fluid power connections 

ISO 8491:1998 Metallic materials - Tube (in full section) - Bend test 

ISO 8492:1998 Metallic materials - Tube - Flattening test 

ISO 8493:1998 Metallic materials - Tube - Drift-expanding test 

ISO 8494:1998 Metallic materials - Tube - Flanging test

ISO 8495:1998 Metallic materials - Tube - Ring-expanding test 

ISO 8496:1998 Metallic materials - Tube - Ring tensile test 

ISO 8497:1994 Thermal insulation; determination of steady-state thermal transmission properties of thermal insulation for circular pipes

ISO 8572:1991Pipes and fittings made of glass-reinforced thermosetting plastics (GRP); definitions of terms relating to pressure, including relationships between them, and terms for installation and jointing 

ISO 8770:2003Plastics piping systems for soil and waste discharge (low and high temperature) inside buildings - Polyethylene (PE) 

ISO 8772:1991High density polyethylene (PE-HD) pipes and fittings for buried drainage and sewerage systems; specifications 

ISO 8773:1991 Polypropylene (PP) pipes and fittings for buried drainage and sewerage systems; specifications 

ISO 8796:2004 Polyethylene PE 32 and PE 40 pipes for irrigation laterals - Susceptibility to environmental stress cracking induced by insert-type fittings - Test method and requirements 

ISO 9080:2003 Plastics piping and ducting systems - Determination of the long-term hydrostatic strength of thermoplastics materials in pipe form by extrapolation

ISO 9095:1990 Steel tubes; continuous character marking and colour coding for material identification 

ISO 9261:2004 Agricultural irrigation equipment - Emitters and emitting pipe - Specification and test methods

ISO 9356:1989 Polyolefin pipe assemblies with or without jointed fittings; resistance to internal pressure; test method  

ISO 9623:1997 PE/metal and PP/metal adaptor fittings for pipes for fluids under pressure - Design lengths and size of threads - Metric series 

ISO 9625:1993 Mechanical joint fittings for use with polyethylene pressure pipes for irrigation purposes 

ISO 9691:1992 Rubber; recommendations for the workmanship of pipe joint rings; description and classification of imperfections 

ISO 9803:1993Vacuum technology; pipeline fittings; mounting dimensions 

ISO/TR 9824-1:1990 Measurement of free surface flow in closed conduits; part 1: methods

ISO 9808:1990Solar water heaters; elastomeric materials for absorbers, connecting pipes and fittings; method of assessment

ISO/TR 9824-2:1990 Measurement of free surface flow in closed conduits; part 2: equipment

ISO 9853:1991 Injection-moulded unplasticized poly(vinyl chloride) (PVC-U) fittings for pressure pipe systems; crushing test

ISO 10147:1994 Pipes and fittings made of crosslinked polyethylene (PE-X) - Estimation of the degree of crosslinking by determination of the gel content 

ISO/TR 10358:1993Plastics pipes and fittings; combined chemical-resistance classification table 

ISO 10400:1993 Petroleum and natural gas industries; formulae and calculation for casing, tubing, drill pipe and line pipe properties

ISO 10420:1994 Petroleum and natural gas industries; flexible pipe systems for subsea and marine riser applications

ISO 10422:2001 Petroleum and natural gas industries - Threading, gauging and thread inspection of casing, tubing and line pipe 

ISO 10508:1995Thermoplastics pipes and fittings for hot and cold water systems 

ISO 10806:2003Pipework - Fittings for corrugated metal hoses 

ISO/TR 10837:1991 Determination of the thermal stability of polyethylene (PE) for use in gas pipes and fittings 

ISO 10928:1997 Plastics piping systems - Glass-reinforced thermosetting plastics (GRP) pipes and fittings - Methods for regression analysis and their use 

ISO 10931-1:1997Plastics piping systems for industrial applications - Poly(vinylidene fluoride) (PVDF) - Part 1: General 

ISO 10931-2:1997 Plastics piping systems for industrial applications - Poly(vinylidene fluoride) (PVDF) - Part 2: Pipes 

ISO 10931-3:1996 Plastics piping systems for industrial applications - Poly(vinylidene fluoride) (PVDF) - Part 3: Fittings

ISO 10931-4:1997Plastics piping systems for industrial applications - Poly(vinylidene fluoride) (PVDF) - Part 4: Valves 

ISO 10931-5:1998 Plastics piping systems for industrial applications - Poly(vinylidene fluoride) (PVDF) - Part 5: Fitness for purpose of the system 

ISO/TR 11295:1992Techniques for rehabilitation of pipeline systems by the use of plastics pipes and fittings 

ISO 11413:1996 Plastics pipes and fittings - Preparation of test piece assemblies between a polyethylene (PE) pipe and an electrofusion fitting

ISO 11414:1996 Plastics pipes and fittings - Preparation of polyethylene (PE) pipe/pipe or pipe/fitting test piece assemblies by butt fusion

ISO 11420:1996 Method for the assessment of the degree of carbon dispersion polyolefin pipe, fittings and compounds 

ISO 11496:1993 Seamless and welded steel tubes for pressure purposes; ultrasonic testing of tube ends for the detection of laminar imperfections 

ISO/TR 11647:1996 Fusion compatibility of polyethylene (PE) pipes and fittings  

ISO 11961:1996 Petroleum and natural gas industries - Steel pipes for use as drill pipe - Specification 

ISO 12162:1995 Thermoplastics materials for pipes and fittings for pressure applications - Classification and designation - Overall service (design) coefficient

ISO 13664:1997 Seamless and welded steel tubes for pressure purposes - Magnetic particle inspection of the tube ends for the detection of laminar imperfections

ISO 13665:1997 Seamless and welded steel tubes for pressure purposes - Magnetic particle inspection of the tube body for the detection of surface imperfections 

ISO 13761:1996 Plastics pipes and fittings - Pressure reduction factors for polyethylene pipeline systems for use at temperatures above 20 

ISO 13783:1997 Plastics piping systems - Unplasticized poly(vinyl chloride) (PVC-U) end-load-bearing double-socket joints - Test method for leaktightness and strength while subjected to bending and internal pressure

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