Model 100 Plain Sewing Head – Pedestal-Mount Bag Closer

Model 100 Plain Sewing Head

The Model 100 is a single-needle, plain-thread sewing head designed for closing open-mouth bags made from paper, woven polypropylene, and jute. Typically mounted on a pedestal and integrated with a conveyor system, it delivers consistent, high-speed bag closure in industrial packaging lines.

It produces a two-thread, double-locked Federal Type 401 chain stitch at 2–4 stitches per inch, with line speeds ranging from 35 to 55 feet per minute — making it well-suited for medium-to-high throughput operations.

Standard Features

• Stitch type: Single-needle, double-thread chain stitch (Federal Type 401)
• Stitch rate: 2.5 SPI, adjustable from 2 to 4 SPI
• Line speed: 35–55 fpm (up to 80 fpm capable)
• Material thickness capacity: 8.0 mm
• Stop/start micro-switch for operator control
• Self-lubricating design for reduced maintenance
• Net weight: 57 lbs. (26 kg)

Compatible Bag Types

• Open-mouth paper bags
• Woven polypropylene (PP) bags
• Jute bags

Available Accessories & System Integration

A wide range of accessories supports full system integration, including mounting pedestals, power infeed systems, conveyors, bag-top folders, thread and tape-break detectors, bag coders, and photoelectric controls.

Technical Specifications

• Construction: Mild Steel
• Power Supply: 120 VAC
• Air Supply: 50 PSI @ 2–3 CFM
• Machine Weight: 57 lb. (26 kg)

Frequently Asked Questions

What bag materials can the Model 100 sew?
It is designed for open-mouth paper, woven polypropylene, and jute bags.

What stitch type does the Model 100 produce?
It produces a Federal Type 401 double-locked chain stitch using a single needle and two threads.

What is the operating speed?
Standard operating speed is 35–55 fpm, with a maximum capability of up to 80 fpm.

Is the Model 100 self-lubricating?
Yes, the sewing head is self-lubricating, reducing routine maintenance requirements.