21.6" (550MM) VALMET PILOT SUPER CALENDAR STACK - 13 ROLLERS

Web width on unwind stand 24" (600) mm starting width 21.6" (550 mm) Paper product GSM 20-400 g/m2 Frame designed for 13 rollers Numbers of rolls 13 Designed speed 2500 m/min Driving speed, drives 8200 fpm (2500 m/min) process 5575 fpm (1700 m/min) Line press in NIP max. 550 kN/m, min. 30 kN/m Frame and load equipment 1000 kN/m Thermal roller heating, oil + induction Thermal roll cover heat max. 200 celsius Main drive for 3 rolls, auxiliary use for 12 intermediate roller 12 nips Web width 550 mm 2500 m/min 30-550 kN/m 200 ̊C Consumption information: 1. Water Amount Pressure – Hydraulic unit 150 l/min/unit 200-500 kPa – Injection shoes 40 l/min/unit 400-600 kPa – Heating system, max450 l/min 200-500 kPa – water / air mixture – cool 14 l/h/ roll 200-500 kPa – Cooling cylinders ( water temperature + 20 Celsius ) 60 l/min/cylinder 2. Air pressure – Air edge cooling 520 Nm3 /h/roll 500 kPa – Water/air cooling, max 1 Nm3/h/roll 500 kPa – Instrument air 2,5 Nm3/h 500 kPa 3. Steam Steam box, max 90 kg/h/box 200 kPa Note: When using water as a thermal medium, the following water quality standards must be observed – Residual water hardness < 0.03 mval/kg – P-value 0.5, 1.5 mval/kg – pH value 9.0 – 10.0