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Picture for category Stock Preparation

Stock Preparation

Select Subcategory
Pulpers
Pulper Parts
Detrashers
Reject Sorters
Disk Refiners
Defibrators
Deflakers
Low Density Cleaners
High Density Cleaners
Pressure Screens

Industrial Exchange buys and sells used and surplus stock preparation equipment for paper manufacturers. Including complete systems for paper machine approach flow, recycled pulp applications, refiners, pressure screens, cleaners, washers, and more. If you are looking to purchase used stock preparation equipment or have surplus machinery for sale, explore our current inventory below. Our extensive selection features top brands such as Voith, Valmet, Kadent, Andritz, Beloit and others. Stock preparation machines are essential for preparing raw materials in the paper production process, from refining to screening. Whether you're upgrading your equipment or selling unused assets, Industrial Exchange offers a trusted platform and expert support to meet your needs.

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Picture of Beloit M48 Horizontal Pressure Screen Stainless Steel Casing Stainless Stee

Beloit M48 Horizontal Pressure Screen Stainless Steel Casing Stainless Stee

126732
Beloit M48 Horizontal Pressure Screen Stainless Steel Casing Stainless Steel Rotor Belt Driven
Picture of Bird Escher-Wyss RS-2B Empty Body No Rotor Made in Mansfield Ma Reject Sort

Bird Escher-Wyss RS-2B Empty Body No Rotor Made in Mansfield Ma Reject Sort

126243
Bird Escher-Wyss RS-2B Empty Body No Rotor Made in Mansfield Ma Reject Sorter
Picture of Black Clawson 24psph Selectifier Screen Stainless Steel Upper And Lower Hou

Black Clawson 24psph Selectifier Screen Stainless Steel Upper And Lower Hou

126685
Black Clawson 24psph Selectifier Screen Stainless Steel Upper And Lower Housing Stainless Steel .050" (1.3 Mm) Hole Basket 11.5% Open Area With Ns Iii Style Solid Stainless Steel Rotor With Adjustable Foils With Base And Motor Mount With Drive Sheave Storeroom Spare
Picture of Beloit Model No. DD3000 20" Refiner Housing w/ Door; L-84 W-48 H-48

Beloit Model No. DD3000 20" Refiner Housing w/ Door; L-84 W-48 H-48

126674
Beloit Model No. DD3000 20" Refiner Housing w/ Door; L-84 W-48 H-48
Picture of Deflaker; Hp 100; TPDCapacity 125; Material SSLined; Beloit; Model 2810

Deflaker; Hp 100; TPDCapacity 125; Material SSLined; Beloit; Model 2810

118300
Deflaker; Hp 100; TPDCapacity 125; Material SSLined; Beloit; Model 2810; Psig 50; Refiners; Volts 460; Beloit Jones Dispersall I 24" Jordon Mfg Date 1984 With Siemens Allis 100 Hp Induction Motor 1780 Rpm 460 Volt 405T Frame TEFC Drawings Installation and Operation Manuals on File.
Picture of Bird Model 900 Omni Screen. 75 PSI Max RPM: 450 316 SS Construction Belt Dr

Bird Model 900 Omni Screen. 75 PSI Max RPM: 450 316 SS Construction Belt Dr

123857
Bird Model 900 Omni Screen. 75 PSI Max RPM: 450 316 SS Construction Belt Drive.
Picture of Falk Enclosed Gear Drive Model No. 1135YF1; Ratio 4.708/1; 700 HP Service R

Falk Enclosed Gear Drive Model No. 1135YF1; Ratio 4.708/1; 700 HP Service R

126749
Falk Enclosed Gear Drive Model No. 1135YF1; Ratio 4.708/1; 700 HP Service Rating; 1200 RPM Input; 254.9 RPM Output Unused Storeroom Spare
Excellent condition Lufkin S2011CH Gearbox

Lufkin Gear Box w/ Shell & Tube Heat Exchanger Model S2011CH; 2.838/1 Ratio

126748
Lufkin Gear Box w/ Shell & Tube Heat Exchanger Model S2011CH; 2.838/1 Ratio; Input RPM 699; Service Factor 2.7; Service Rating 1000 HP; Rebuilt; SN#v 6967; L-72 W-54 H-54; 4950 LBS
Picture of Lufkin Gear Box With Itt Standard Shell And Tube Heat Exchanger Model S2212

Lufkin Gear Box With Itt Standard Shell And Tube Heat Exchanger Model S2212

126747
Lufkin Gear Box With Itt Standard Shell And Tube Heat Exchanger Model S2212ch 3.576/1 Ratio Input Rpm 910 1.89 Service Factor 1500hp Service Rating Heat Exchanger P/N 5-160-05-036-004
Picture of Slotted Basket .77 MM 0.030" Reject Sorter R1 Type: RS1-B Store Surplus

Slotted Basket .77 MM 0.030" Reject Sorter R1 Type: RS1-B Store Surplus

126244
Slotted Basket .77 MM 0.030" Reject Sorter R1 Type: RS1-B Store Surplus
Picture of Sunds Defibrator Model DKB 80 Year 1989 Volume 0.6 m3

Sunds Defibrator Model DKB 80 Year 1989 Volume 0.6 m3

120765
Sunds Defibrator Model DKB 80 Year 1989 Volume 0.6 m3
Picture of Beloit M32 horizontal pressure screen M-R Seriespulp application. Stainless

Beloit M32 horizontal pressure screen M-R Seriespulp application. Stainless

126017
Beloit M32 horizontal pressure screen M-R Seriespulp application. Stainless steel construction.
Picture of Beloit MR-18 Pressure Screen Stainless Steel Casing Stainless Steel Baskets

Beloit MR-18 Pressure Screen Stainless Steel Casing Stainless Steel Baskets

126702
Beloit MR-18 Pressure Screen Stainless Steel Casing Stainless Steel Baskets Slots Stainless Steel Rotor Stainless Steel Basket Slots .013" Open Area 10.4%
Picture of Model 24 PH PS Pressure Screen Mfg. Kadent Black Clawson. Belt Drive with

Model 24 PH PS Pressure Screen Mfg. Kadent Black Clawson. Belt Drive with

123858
Model 24 PH PS Pressure Screen Mfg. Kadent Black Clawson. Belt Drive with Motor 316 SS Construction. Quantity: Three(3) Available.
Picture of Voith pulper drive. Ratio 3.88; Bull gear 97 teeth; Pinion gear 25 teeth; m

Voith pulper drive. Ratio 3.88; Bull gear 97 teeth; Pinion gear 25 teeth; m

126022
Voith pulper drive. Ratio 3.88; Bull gear 97 teeth; Pinion gear 25 teeth; model GV15.
Picture of 200 HP Falk Gear Reducer. Right-Angle Pulper Drive. Vertical output Ratio

200 HP Falk Gear Reducer. Right-Angle Pulper Drive. Vertical output Ratio

126020
200 HP Falk Gear Reducer. Right-Angle Pulper Drive. Vertical output Ratio 3.41; RPM IN: 1775 / RPM OUT: 521.2; S.F. 1.5.
Picture of 675 ADSTD Andritz Fibreflow 350 Drum Pulper 3.5 Meter Diameter Drum. Pulper

675 ADSTD Andritz Fibreflow 350 Drum Pulper 3.5 Meter Diameter Drum. Pulper

126198
675 ADSTD Andritz Fibreflow 350 Drum Pulper 3.5 Meter Diameter Drum. Pulper drum construction is 316 SS 81' Length x 11.5' Diameter. Complete pulper includes drive and lubrication system. It has a counter clockwise rotation looking at the discharge end. Installed new in 2001 it was only in use for about 4-5 Years. Previously was pulping ONP / OMG / Pre-consumer Waste. Capacity up to 675 ADTPD Input / 500 BDSTD Output depending on wastepaper grades. Equipment has been dismantled and professionally packaged. It is immediately available for shipment.
Picture of Reject Sorter RS-2B Rotor Shafts Made of Mechanical Tubes Mtl: 4140 Blades

Reject Sorter RS-2B Rotor Shafts Made of Mechanical Tubes Mtl: 4140 Blades

126245
Reject Sorter RS-2B Rotor Shafts Made of Mechanical Tubes Mtl: 4140 Blades and Flight Made in S/S 304.
Picture of Sprout Waldron R20EM Refiner: Model No. R20EM; L-64 W-48 H-48

Sprout Waldron R20EM Refiner: Model No. R20EM; L-64 W-48 H-48

126673
Sprout Waldron R20EM Refiner: Model No. R20EM; L-64 W-48 H-48
Picture of Black Clawson High Density Cleaner Cone Section Steel Housing Ceramic Lined

Black Clawson High Density Cleaner Cone Section Steel Housing Ceramic Lined

126705
Black Clawson High Density Cleaner Cone Section Steel Housing Ceramic Lined For Sizes 14.5 17 20 25

Categories of Used Stock Preparation Equipment and Machinery We Offer

Our inventory covers all key components for stock prep in the paper industry, allowing you to source everything from complete machines to critical replacement parts. Products that we offer under this category include:

Pulpers

These machines break down raw wood fibers or recycled paper into a pulp slurry, preparing it for further processing. High-quality used pulpers ensure smooth fiber separation and reduce contaminants.

Pulper Drives and Rotors

The pulper mechanical drive and rotor are essential for maximizing uptime and performance. Knowledge of high-quality surplus spare drives, rotors, or extraction chambers can be crucial to your company’s success.

Detrashers

Machines designed to remove unwanted contaminants, such as dirt, sand, and other heavy inorganic materials, from the pulp slurry.

Reject Sorters

Separate and remove non-fiber materials. Reject sorters help improve pulp quality by eliminating debris, plastics, and other contaminants.

Disk Refiners

These are critical in fiber treatment, refining pulp fibers to improve bonding strength and paper quality.

Defibrators

Critical for virgin fiber to mechanically separate and break down wood chips into individual fibers, producing uniform pulp for papermaking.

Deflakers

Further refining to break down clumped fibers or flakes, ensuring uniform slurry consistency for smooth paper formation.

Low Density Cleaners

Used to separate lightweight contaminants such as bark, plastics, and dirt from the pulp, enhancing purity.

High Density Cleaners

These machines remove heavy contaminants like sand and metal particles, protecting downstream equipment.

Pressure Screens

Pressure screens filter oversized particles and knots from the pulp slurry, preventing clogging and maintaining product quality.

Benefits of Buying Used Stock Preparation Equipment for Paper Manufacturing

  • Immediate Availability: Unlike new equipment with long lead times, used machines are often ready for delivery, minimizing production interruptions and expenses.
  • Match to Existing Equipment: Used machines match the existing equipment footprint and capabilities, resulting in significant cost savings.
  • Proven Durability: Many used machines have extensive operational histories and offer reliability comparable to new units.
  • Significant Cost Savings: Purchasing used equipment reduces upfront capital expenditures, allowing mills to invest in other critical areas.
  • Sustainability and Resource Efficiency: Extend equipment lifecycles and reduce waste, supporting environmental sustainability.
  • Flexible Scaling: Used equipment allows mills to expand or modify production capacity more flexibly and economically.

Application Areas of Stock Preparation Machines in the Paper Industry

  • Graphic and Printing Papers
  • Tissue and Towel Manufacturing
  • Specialty and Technical Papers
  • Packaging Papers
  • Recycled Fiber Processing

How to Select the Right Used Stock Preparation Equipment

  • Understand Your Production Requirements: Assess your mill’s daily output, fiber types, and product specifications.
  • Evaluate Equipment Condition: Request detailed inspection reports and maintenance histories.
  • Compatibility and Integration: Confirm that the machine fits within your existing process setup and infrastructure.
  • Compliance and Standards: Ensure the equipment meets relevant environmental, safety, and operational regulations.

Troubleshooting Tips for Used Stock Preparation Equipment

  • Perform Regular Visual Inspections: Check for signs of wear, corrosion, or damage.
  • Monitor Pulp Quality Continuously: Ensure fiber consistency, length, and cleanliness.
  • Listen for Abnormal Noises and Vibrations: Detect bearing failures or misalignment early.
  • Maintain Cleanliness of Screens and Sorters: Regularly clean pressure screens and sorters to prevent clogging.
  • Check Hydraulic and Lubrication Systems: Ensure lubrication is proper to prevent premature wear.
  • Implement Scheduled Preventive Maintenance: Follow manufacturer guidelines to reduce unplanned downtime.

Why Choose Industrial Exchange to Buy Stock Preparation Equipment

  • Over 20 years of experience helping paper mills worldwide find the right used equipment.
  • Global exposure through partnerships with top affiliate platforms.
  • Comprehensive consignment and valuation services.
  • Personalized support from experienced brokers who understand the paper industry.
  • Fast and efficient handling of listings, inquiries, and transactions.

Frequently Asked Questions (FAQs)

  • How can I verify the condition of used stock preparation machines?
    Brokers provide maintenance records and inspection reports to help buyers make informed decisions.
  • Is shipping available for used stock preparation equipment?
    Yes, we offer global logistics support to ensure safe and timely delivery.
  • Can I list used stock preparation equipment for sale?
    Absolutely, Industrial Exchange offers consignment services to maximize exposure to buyers.
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  • sales@industrialexchange.com
  • (804)608-0141
  • (804)608-0141
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