PPR piping connected to a Hitachi compressor, the PPR system is generally used downstream of the compressor for compressed-air distribution, not necessarily for the hot air immediately leaving the compressor.
Typical arrangement:
Hitachi Compressor → Aftercooler → Air Receiver → Dryer/Filters → PPR Main Header → Branch Lines → Pneumatic Equipment
PPR can offer:
Corrosion and rust resistance
Smooth internal surface and relatively low pressure loss
Lightweight installation
Heat-fusion joints
Suitable options for factory compressed-air distribution when the specific PPR system is manufacturer-approved for compressed air. �
Indutility +1
For example, some PPR manufacturers specifically provide products for compressed-air service, with pressure classes selected according to operating pressure and temperature. �
Industrial Tooling Techniques +1
Important: Don't select ordinary water-service PPR just because it has a PN rating. Check the manufacturer's compressed-air approval, operating pressure, temperature, pipe size, fittings, supports, and jointing procedure. �
Radiatech
If you tell me the Hitachi compressor capacity (CFM/kW) and working pressure (bar), I can suggest the appropriate PPR pipe size and layout.
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