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Before you start installing Pestan PP-R and PPR-CT pipes and fittings for the transport of fluids under pressure both in the household and in the industrial sector apply,
REHAU pre-insulated PP-R pipe system for district heating and cooling includes a complete range of pre-insulated fittings and pipes insulated with rigid PUR (polyurethane) foam protected by an outer jacket made from PE-HD.
Cosmoplast polypropylene system is made from pp-R granules supplied by the world's resin manufacturers. These granules ore pre-coloured and hove excellent heat resistance, physica and chemical properties to suit
The required pipe series for a particular application class is calculated from the de-sign stress and the operating pressure. The outcome of this calculation for operating pressures of 8 bar and 10 bar are presented in table V. Table V: Comparison of the required pipe series and SDR for PP-R and PP-RCT for the individual application classes
Blue PP-R pipe SDR 11 Table to determine support intervals in conjunction with temperature and outside diameter.
DACTA Therm (PP-R) is suitable for use in central cooling systems and is ideal for transporting both hot and cold water in a variety of building systems as well as industrial and marine applications.
The pipes can be marked PP-R. FASER pipes are three-layer pipes: The outer and inner layers are formed by PP-R polypropylene, armed with glass fiber (GF). Thanks to their arming with glass fibers, the pipes are stronger and less expandable under high temperatures (similarly to the CLASSIC pipes). The pipes can be marked PP-R/PP-R-GF/PP-R. PP-RCT
