... extruder can equipped with the Siemens PLC controlling system. PPR pipe production lineProcess flowRaw material + additive → mixing → vacuum feeding ... 4, long service life. PPR pipe in working temperature 70 degrees C, working pressure (PN) 1.0MPa conditions, the service ... , easy installation, connection.PPR has good welding properties, pipe, pipe fittings can be used hot-melt and fused connections, ...