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Norm

ISO 4437-3:2014

Issue date: 2014 01 13

Plastics piping systems for the supply of gaseous fuels — Polyethylene (PE) — Part 3: Fittings

ISO 4437-3:2014 specifies the characteristics of fusion fittings made from polyethylene (PE) as well as of mechanical fittings for piping systems in the field of the supp...
Withdrawn: 2024 02 14

ISO 4437-3:2014 specifies the characteristics of fusion fittings made from polyethylene (PE) as well as of mechanical fittings for piping systems in the field of the supply of gaseous fuels.

It also specifies the test parameters for the test methods referred to in this part of ISO 4437.

In conjunction with ISO 4437-1, ISO 4437-2, ISO 4437-4, and ISO 4437-5, it is applicable to PE pipes, fittings and valves, their joints, and joints with components of PE and other materials intended to be used under the following conditions: the maximum operating pressure (MOP) is based on the design stress, determined from the compound minimum required strength (MRS) divided by the C factor, and taking into account rapid crack propagation (RCP) requirements; and a temperature of 20 °C is taken as reference temperature for the design basis.

ISO 4437-3:2014 is applicable for fittings of the following types: electrofusion socket fittings; electrofusion saddle fittings; spigot end fittings (for butt fusion using heated tools and electrofusion socket fusion); socket fusion fittings; and mechanical fittings.

ISO 4437-3:2024
2024 02 14
Plastics piping systems for the supply of gaseous fuels — Polyethylene (PE) — Part 3: Fittings
Norm
ISO 4437-3:2014
2014 01 13
Plastics piping systems for the supply of gaseous fuels — Polyethylene (PE) — Part 3: Fittings
Norm
ISO 4437:2007
2007 06 19
Buried polyethylene (PE) pipes for the supply of gaseous fuels — Metric series — Specifications
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ISO 8085-2:2001
2001 09 13
Polyethylene fittings for use with polyethylene pipes for the supply of gaseous fuels — Metric serie...
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ISO 8085-1:2001
2001 09 13
Polyethylene fittings for use with polyethylene pipes for the supply of gaseous fuels — Metric serie...
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ISO 8085-3:2001
2001 09 13
Polyethylene fittings for use with polyethylene pipes for the supply of gaseous fuels — Metric serie...
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ISO 4437:1997/Cor 1:1999
1999 11 25
Buried polyethylene (PE) pipes for the supply of gaseous fuels — Metric series — Specifications — Te...
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ISO 4437:1997
1997 08 28
Buried polyethylene (PE) pipes for the supply of gaseous fuels — Metric series — Specifications
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ISO 4437:1988
1988 01 21
Buried polyethylene (PE) pipes for the supply of gaseous fuels — Metric series — Specification
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Norm
ISO 4437-3:2024
Issue date : 2024 02 14
Plastics piping systems for the supply of gaseous fuels — Polyethylene (PE) — Part 3: Fittings