Mark 12 Vertical Form, Fill and Seal Machine


The Mark 12 packaging systems series consists of machines that create bags up to 12″ wide by 16″ long from polyethylene roll stock. These machines can form, fill, and seal at rates up to 100 bags per minute. In addition to inexpensive poly, Mark 12 systems can create bags from shrink film, supported films, and many other heat sealable materials. Unique design features include: low profile design, microprocessor controls, side belts film advance and heavy-duty con­struction for continuous operation


Machine Specifications:

  • Capable of producing up to 40 to 50 packages per minute.
  • The Mark 12 has a belt-driven material advance for bag length.
  • The sealing head does the end seals and length cutoff simultaneously.
  • This machine uses one roll of heat seal-able flat stock material.
  • The bag width is fixed based on the particular forming collar and material web width.
  • The material has a power unwind that controls material tension and an encoder that regulates package length.
  • An optional photoelectric eye can be used for print registered material.
  • Machine operation and setup are done thru the touch screen controller.
  • This allows the operator to make adjustments quickly and easily.
  • The system is available in 6″, 8″ and 12″ Wide Models
  • The Mark 12-6 can make a bag from 2″ to 6″ wide and up to 10″ long.
  • The Mark 12-8 can make a bag from 2″ to 8″ wide and up to 15″ long.
  • The Mark 12-12 can make a bag from 3″ to 12″ wide and up to 16″ long.
  • Most all heat seal materials can be run on the model MK 12.
  • It uses 230 V.A.C. and 80 PSI
  • It also has a built in Batch Counter


  • Microprocessor Controlled
  • Self Diagnostic Indicators
  • Touch Panel Control
  • RS232 Inter­face Capability For User Written Communication Software Package
  • NEMA 12 Enclosure
  • Disconnect Switch Flange Mounted Fused Primary
  • Choice of 230/460 Volt Operation
  • Belt Film Feed
  • Quick Removable Horizontal Sealer Swing-Out Vertical Sealer
  • Material Power Unwind
  • Extremely Compact and Low Profile
  • Heavy Duty Steel Frame
  • Aluminum Tooling Plate Parts with Blasted Oxide Finish
  • Two-Part Epoxy Paint Finish
  • Stainless Steel Guards and Panels Easily Removed and Installed Without Tools

Machinery Options:

  • Casters
  • Pre-set Batch Counter
  • Totalizing Counter
  • Electric Eye (For Registered Film)
  • Hole Punch (Hang Hole)
  • Hole Punch (Air Evacuation)
  • Hot Stamp Imprinter
  • Ink Imprinter
  • Matrix Printer
  • Bar Coding Printer
  • Automatic Batch Scales
  • Electronic Counting And Feeding System
  • Volume Filling
  • Liquid Dispensing
  • Incline Exit Conveyor
  • Indexing Infeed Bucket Conveyor
  • Multiple Compartment Bag
  • Header Bag
  • Additional Options For Specific Application Are Available

Material Substrates That Can Be Run On

  • All of the material has to be cohesive coating.
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