Union Special BM111 Series - Spare Parts for High-speed Bag Making Machines

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

Product Overview

Professional high-speed bag making machines with single-needle design, featuring advanced lubrication systems and enclosed mechanisms for reliable, high-performance operation. Designed for industrial bag manufacturing and modification.

Technical Specifications

Core Features

  • Internal forced lubrication with external oil filter
  • Totally enclosed plain feed mechanism
  • Totally enclosed looper mechanism
  • Independently driven rear needle guard
  • No readjustment needed when changing stitch length
  • Presser foot with independently spring-loaded chaining section

Performance Specifications

  • Sewing Capacity: up to 12mm
  • Standard Needle: 9848GF250/100
  • Stitch Range: 6.5-12.5mm (2-4 SPI)
  • Standard Setting: 10mm
  • Working Diameter of Handwheel Pulley: 150mm (5 29/32 in.)
  • Speed: up to 3,100 stitches per minute (material dependent)
  • Weight: 41 kg (90 lbs)

Seam Specifications

  • Type: 401 (ISO 4916 and 4915)
  • Classification: 401 SSa-1 (Federal Standard No. 751a - USA)

Machine Models

Standard Series (BM111)

BM111C

  • Double locked stitch machine
  • Built-in thread chain cutter
  • Plain feed system
  • Top-mounted filler cord guide
  • Ideal for basic bag sewing and tube attachment
  • Note: Not suitable for crossing heavy side seams

BM111C1

  • Pneumatically operated thread chain cutter
  • Control voltage: 24V DC
  • Based on BM111C2 design

BM111C1H

  • Electro-pneumatically operated hot thread chain cutter
  • Control voltage: 230V, 50/60 Hz
  • Based on BM111C2 design

BM111C2

  • Extended sewing parts
  • Three-piece split presser foot system
  • Independent spring loading for front/rear presser foot and chaining section
  • Dual filler cord guides (top and bottom)
  • Suitable for heavy seam crossing
  • Applications: seaming bags, inserting top covers, FIBC tube attachment

Long Arm Series (BML111)

All long arm models feature 425mm horizontal clearance under arm

BML111C

  • Standard long arm version
  • Basic configuration

BML111C1

  • Long arm version with pneumatic thread chain cutter

BML111C1H

  • Long arm version with hot thread chain cutter

BML111C2

  • Long arm version with extended sewing parts
  • Split presser foot system

BML111CE

  • No thread chain cutter
  • Additional bottom filler cord guide
  • Based on BM111C design

Note: Performance specifications may vary based on thread type, fabric, and specific sewing operations. Custom configurations available upon request.