VER3506 - 3800 mm De Pretto - Escher-Wyss Paper Machine

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Year of construction: 1955
Trim at pope: 3800 mm
Max speed: 420 m/min
Max production: 9,5 ton/h = 220 Tpd
Was producing Kraft paper until 2001; afterwards uncoated and coated wood free paper for writing-printing
Basis weight: 50 - 100 gr/m²

Pressurized headbox
Flat fourdrinier with dandy roll Ø 1050 mm 3 felt presses in line
Pre-dryer section: 26 dryer cylinders Ø 1500 mm, face 4000 mm, working pressure 3 bars
Coater by BTG, modified size press, one side by metering bar, one side dosing roll
Post dryer section, added in year 2000, with 8 dryer cylinders Ø 1500 mm, face 4000 mm, working pressure 3 bars, silent drive
2 rolls, one Kusters, single nip Carcano machine calender
Measurex QCS
Hydraulic pope
Drive: long shaft from fourdrinier to second dryer battery
DC sectional drive from third battery to pope
Left hand drive
Stock preparation:
- 2 x Beloit 26" DD refiners series 2000
- 1 x Beloit 26" DD refiner series 3000
- Jylhaavara deflaker
Beloit polidisc, 11 discs Ø 10'
Over Meccanica rewinder, year 1974, 1200 m/min
Approach flow
Scan pump, fan pump 36.000 lt/min
Celleco low density cleaners
Beloit centriscreen 50, 0.25 mm slots
Stopped May 2008