Muoviteollisuus

Toimialayhteisö: Muoviteollisuus
Komitea: ISO/TC 138/SC 5 (General properties of pipes, fittings and valves of plastic materials and their accessories -- Test methods and basic specifications)
Alkuperä: ISO
Määräpäivä: 2021-10-11
LaajennaSupista
 
This International Standard specifies a method for testing the leak tightness under negative pressure, angular deflection, and deformation of assembled joints between elastomeric-sealing-ring-type sockets made of plastic or metal and plastic pressure pipes.
Toimialayhteisö: Muoviteollisuus
Komitea: ISO/TC 138/SC 4 (Plastics pipes and fittings for the supply of gaseous fuels)
Alkuperä: ISO
Määräpäivä: 2021-10-14
LaajennaSupista
 
This document specifies the requirements of fitness for purpose of the polyethylene (PE) piping system to be used for the supply of gaseous fuels. It specifies the definitions of electrofusion, socket fusion, butt fusion, and mechanical joints. It specifies the method of preparation of test piece joints and the tests to be carried out on these joints for assessing the fitness for purpose of the system under normal and extreme conditions. It specifies the test parameters for the test methods referred to in this document. In conjunction with Parts 1 to 4 of ISO 4437, it is applicable to PE pipes, fittings, valves, their joints, and joints with components of PE and other materials intended to be used under the following conditions: ISO 4437 (all parts) covers a range of maximum operating pressures and gives requirements concerning colours.
Toimialayhteisö: Muoviteollisuus
Komitea: ISO/TC 138/SC 4 (Plastics pipes and fittings for the supply of gaseous fuels)
Alkuperä: ISO
Määräpäivä: 2021-10-14
LaajennaSupista
 
This document 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 document. In conjunction with Parts 1, 2, 4, and 5 of ISO 4437, 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: ISO 4437 (all parts) covers a range of maximum operating pressures and gives requirements concerning colours. This document is applicable for fittings of the following types:
Toimialayhteisö: Muoviteollisuus
Komitea: ISO/TC 138/SC 4 (Plastics pipes and fittings for the supply of gaseous fuels)
Alkuperä: ISO
Määräpäivä: 2021-10-14
LaajennaSupista
 
This document specifies the general aspects of pipes made of polyethylene (PE) 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 document. In conjunction with Parts 1 and 3 to 5 of ISO 4437, 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: ISO 4437 covers a range of maximum operating pressures and gives requirements concerning colours. It covers three types of pipes:
Toimialayhteisö: Muoviteollisuus
Komitea: ISO/TC 138/SC 4 (Plastics pipes and fittings for the supply of gaseous fuels)
Alkuperä: ISO
Määräpäivä: 2021-10-14
LaajennaSupista
 
This document specifies the general aspects of polyethylene (PE) 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 document. In conjunction with ISO DIS 4437-2:2021, ISO DIS 4437-3:2021, ISO DIS 4437-4, and ISO DIS 4437-5:2021, 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: ISO 4437 (all parts) covers a range of maximum operating pressures and gives requirements concerning colours.