Union Special 81000 Series - Spare parts for Bag Seaming Machines

Please reach out via e-mail with a request-for-quote to get pricing on the machines.

Product Overview

Professional-grade seaming machines designed for industrial bag manufacturing, featuring single and double needle configurations with various thread options for different materials including jute, burlap, polypropylene, and heavy fabrics.

Technical Specifications

Common Features

  • Manual lubrication system
  • Plain feed mechanism with options for upper feed
  • Working handwheel diameter: 150mm (5.91")
  • Sound level at recommended speed: ~84 dB(A)
  • Protection against fabric damage

Operating Parameters

  • Speed Range: Up to 2,750 stitches/min (model dependent)
  • Standard Operating Speeds: 940-1,870 RPM
  • Motor Speeds: 1,400-2,800 RPM
  • Stitch Range: 1.5-15mm (varies by model)

Machine Models

81200 Series - Overedging Machines

81200A - Single Needle Two Thread

  • Designed for light to heavy weight fabrics
  • Seam Type: 502-SSa-1
  • Stitch Range: 6-15mm
  • Material Thickness: up to 16mm
  • Maximum Speed: 2,200 RPM

81200AB - Two Needle Four Thread

  • For heavy bag fabrics and oil press fabrics
  • Seam Type: 506-SSa-1
  • Needle Distance: 6mm
  • Seam Width: 12mm

81300 Series - Safety Stitch Machines

81300A - Two Needle Four Thread

  • Upper and lower feed system
  • Seam Specification: (401.502) SSa-2
  • Needle Distance: 5mm
  • Total Seam Width: 15mm
  • Speed: Up to 1,400 stitches/min
  • Material Capacity: Up to 19mm

81500 Series - Mirakles Overseaming

81500B - Two Thread System

  • Specialized for container bags and polypropylene materials
  • Synchronized upper feed
  • Adjustable seam width: 10-19mm
  • Speed: Up to 1,400 stitches/min
  • Optional hot thread chain cutter

Special Applications

  • Carpet binding and serging
  • Heavy material processing
  • Asbestos material handling
  • Net and rope attachment

Available Options

  • Hot thread chain cutters
  • Pneumatic presser foot systems
  • Filler cord guides
  • Various seam width adjustments
  • Multiple voltage configurations

Note: Performance specifications may vary based on material type, operation conditions, and specific model configuration. Custom configurations available upon request.

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