K2- Seam Machine

Our K2 model is our most popular with over 200 units fabricated. This stand alone machine operates at 300 meter per minute and forms the sleeves via an adjustable forming section. The machine is available in 300mm and 400mm lay-flat models. The machine features fast changeover rewind and unwind air shafts. Optional QC Package, Open Seam Detector, Unwind Perforation & Micro Edge Guide for Solvent Needle sold for top converting practices. The K2 machine may be upgraded with Turret Rewind, sold as K2 RTC Model.

Machine Specification - K2

  • Speed 300 m/min
  • Width 300/400 mm
  • Material Width 620/820 mm
  • Unwind Diameter 600 mm
  • Rewind Diameter 600 mm
  • Minimum Lay Flat Width 55 mm with 18 mm option
  • Core Diameter 3" (76mm)
  • Lay Flat Tolerence 0.25 mm
  • Advantages
  • QC Package - Lay Flat Monitor & Report
  • Micro Edge Guide for Solvent Needle
  • UV Sensor
  • Unwind Perforation Unit for K2

Karlville Customers

Our customers are companies with fast growing operations in the market.

Films Always Straight Through Machine

Never forced side to side for oscillation. Even with turrets; complete turret moves back and forth on heavy duty linear bearings

Precision Solvent Application

Direct Injection Needle Type Solvent Application with Proportional Solvent Controlled Integrated to PLC


Fully Adjustable Forming System
Multiple Configurations to meet specific Converter Demands
Tightest lay flat tolerance in the industry
Precise Tension Control via Unwind & Rewind Load Cell System with Closed Loop Via PLC
Robust design & easy operator friendly Control System.

Services Staff

Our team truly understands business; cross trained in Sleeve Application. Karlville Technicians are considered among the best in the Shrink Sleeve Business.

QC Package

Web Width 5

Lay Flat Measuring System allows Operator to Input Tolerance Range; if Outside of Set Tolerance Range Alarm is Triggered.

Sensors Automatically See Film and Move into Position.

Easy to View Graphical Interface

Option: Reporting Wed Width & Meter Counter Allows Remote Access by Wifi

Micro Edge Guide for Solvent 2

Micro Edge Guide for Solvent Needle

Fiber Optic Sensor works along with Stepper Motor to align the solvent needle to the edge of the film.

Excellent Needle Positioning- This innovative device allows for excellent needle positioning without the worry of micro movements caused by roll changes, splices or slitter stops.

Micro Edge Guide– At 300 M/MIN, the micro edge guide will make quick movement to keep solvent at film edge.

Device Origin– This device was originally created for converters that ran blown film with uneven thickness and edges.

NO Longer Need to Stop due to Adjust Needle– Operators are continually adjusting the placement of the needle to the edge of the film. Operators worry about micro movements that will place the solvent inside or outside the required placement. Your operator will no longer need to adjust needle during each roll change, splice or slitter stops as the device automatically adjusts to the required edge.


UV Sensor

UV Sensor

Open Seam Detector detect un seamed material via UV sensor at 300-500 meters per minute.

K2 Unwind Perforation

Unwind Perforation Unit

Perforation Positioned on Unwind.

Perforation in Air (Perforation Knife Positioned Between Spacers)

Pneumatic Knifes

Applications: Tamper Evident / Bottle Recycling & Reuse


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