Plastics piping systems for the supply of gaseous fuels. Polyethylene (PE) - Pipes
Plastics piping systems for the supply of gaseous fuels. Polyethylene (PE) - Pipes
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1 Scope This part of EN 1555 specifies the characteristics of pipes made from 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 standard. In conjunction with Parts 1 and 3 to 5 of EN 1555, it is applicable to PE pipes, their joints and to joints with components of PE and other materials intended to be used under the following conditions:
a) a maximum operating pressure, MOP, up to and including 10 bar 1) ;
b) an operating temperature of 20 °C as reference temperature.
NOTE 1 For other operating temperatures, derating coefficients should be used, see EN 1555‑5.
EN 1555 covers a range of maximum operating pressures and gives requirements concerning colours and additives. It covers three types of pipe:
— PE pipes (outside diameter d n ) including any identification stripes;
— PE pipes with co-extruded layers on either or both the outside and/or inside of the pipe (total outside diameter d n )...
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