73" (1.8M) Voith Master Jet II Headbox Stainless Steel Design

Description

Used 73" (1.8M) Voith Master Jet II F/L headbox. Stainless Steel design. New 2004. Last used for paper currency with the following specifications:

HEADBOX:
Master Jet II F/L:
Type Master Jet II F/L – 25/2-MJ-H-SC-1L

High-turbulence headbox for pulsation damper, with lateral inflow into two headers, ModuleJet units, distribution block, stilling chamber, turbulence tube bank and nozzle lamellae; with horizontally adjustable bottom lip, vertically adjustable top-lip beam, long spindles for slice blade deflection.
Headbox of stainless steel.
Areas in contact with stock electropolished.

DESIGN DATA:
Headbox size 25/2
Pond width 82.91 inches 2106 mm
Design speed (Structural) 1500 fpm 457 m/min
Operating speed (max.) 1050 fpm 320 m/min
Operating speed (Future max.) 1050 fpm 320 m/min
Operating speed (min.) 466 fpm 142 m/min
Rod spacing (lip) approx. 7.87 inches 200 mm
Number of rods (lip) 12
Module spacing approx. 2.59 inches 65.8 mm
Number of modules 32
Throughput onto wire (max.) 1829 gpm 6932 l/min
Throughput onto wire (Future max.) 2258 gpm 8548 l/min
Throughput onto wire (min) 1716 gpm 6496 l/min
Max. slice opening (running) 1.41 inches 35.8 mm
Max. slice opening (cleaning) 4.7 inches 120 mm

BASIC DESIGN DATA:

MACHINE DESIGN DATA:

Machine Information:
Maximum operating speed (future) 1050 fpm 320 m/min
Maximum operating speed (today) 1050 fpm 320 m/min
Minimum operating speed (future) 500 fpm 152 m/min
Minimum operating speed (today) 850 fpm 259 m/min
Reel trim (max) 73 inches 1854 mm
Wire width 87 inches 2210 mm
Pond width 82.91 inches 2106 mm

Paper Grade:
Products: Graphic Specialties
Basis Weight range @ Reel (current) 41-71 lb / 3300ft2
Basis weight range @ Reel (future): 33-150 lb / 3300 ft2
Grades: Coated papers, watermark, 25% cotton (future)

Furnish (current):
Hardwood 81 – 92%
Softwood 8 – 19%
Cotton 25% (future possible)
Filler (headbox) 13.7 – 17.6%
Freeness (After tickler refiners) y380-400 CSF