ISO/TC 138/SC 4
| Projekta Nr. | ISO 4437-1:2014 |
|---|---|
| Nosaukums | <p>ISO 4437-1:2014 specifies the general properties of polyethylene (PE) compounds for the manufacture of pipes and fittings intended to be used for the supply of gaseous fuels.</p> <p>It also specifies the test parameters for the test methods referred to in this International Standard.</p> <p>In conjunction with ISO 4437-2, ISO 4437-3, 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 <i>C</i> 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.</p> |
| Reģistrācijas numurs (WIID) | 59128 |
| Darbības sfēra | <p>ISO 4437-1:2014 specifies the general properties of polyethylene (PE) compounds for the manufacture of pipes and fittings intended to be used for the supply of gaseous fuels.</p> <p>It also specifies the test parameters for the test methods referred to in this International Standard.</p> <p>In conjunction with ISO 4437-2, ISO 4437-3, 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 <i>C</i> 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.</p> |
| Statuss | Atcelts |
| ICS grupa | 75.200 83.140.30 |