Union Special Machine Company - Products

Flatbed Two and Three Needle
Chainstitch

Lapseaming with roller puller of medium to
heavy weight materials - FS315L63; FS316L61,
L62, L63 subclasses: Two needle or three needle
full felled seaming

Model Number
FS311L53 FS315L63 FS316L61 FS316L62 FS316L63

Needle 128GAS080/032~150/060

standard 140/054

Material Weight medium to heavy denim, cotton duck, wool

Stitch Length Adjustment by adjusting knob by adjusting knob and puller sprockets

Differential Feed
(FS315L63 only)
Adjustment by lever adjustment mechanism

Ratio 1:0.7~1:1.3

Needle Bar Stroke 35mm

Lubrication automatic

Lubricating Oil Union Special Spec 175 (ISO grade 22)

Stitch Type 401

Seam Type LSc-3

FS315L63-3H32/CC2/PA1	3	6	3.2mm	2.5~3.6 (3.2 standard)	9mm	6000 RPM
FS315L63-3H36/CC2/PA1	3	6	3.6mm	2.5~3.6 (3.2 standard)	9mm	6000 RPM
FS316L61-3H32/CC2/PA1	3	6	3.2mm	2.5~3.6 (3.2 standard)	9mm	6000 RPM
FS316L61-3H36/CC2/PA1	3	6	3.6mm	2.5~3.6 (3.2 standard)	9mm	6000 RPM
FS316L62-3H32/CC2/PA1	3	6	3.2mm	2.5~3.6 (3.2 standard)	9mm	6000 RPM
FS316L62-3H36/CC2/PA1	3	6	3.6mm	2.5~3.6 (3.2 standard)	9mm	6000 RPM
FS316L63-3H32/CC2/PA1	3	6	3.2mm	2.5~3.6 (3.2 standard)	9mm	6000 RPM
FS316L63-3H36/CC2/PA1	3	6	3.6mm	2.5~3.6 (3.2 standard)	9mm	6000 RPM
FS316L63-3H48/PA1	3	6	4.8mm	2.5~3.6 (3.2 standard)	9mm	6000 RPM

FS300 Two and Three Needle
Chainstitch Styles with Puller

These styles available without CC2 or PA1 devices

FS315L63-3H32/36 with CC2PA1
3 Needle Double Lap Seamer
Differential feed, high capacity, with 1.8mm-stepped chaining and sewing parts, close-coupled toothed roller puller, pneumatic power Air Klipp® chain cutter, pneumatic assisted presser foot and roller lift, and double lap seam folder with 3.2mm capacity. For lap seaming denim jeans, overalls, jackets and similar garments of medium to heavy denim and cotton duck.

FS316L61-3H32/36 with CC2PA1
3 Needle Double Lap Seamer
Plain feed, high capacity, with flat chaining and sewing parts, close-coupled toothed roller puller, pneumatic power Air Klipp® chain cutter, pneumatic assisted presser foot and roller lift, and double lap seam folder with 3.2mm capacity.
For lap seaming denim jeans, overalls, jackets and similar garments of medium to heavy denim and cotton duck. (For similar style without puller, see FS311L52-3H~.)

FS316L62-3H32/36 with CC2PA1
3 Needle Double Lap Seamer
Plain feed, high capacity, with 1mm-stepped chaining and sewing parts, close-coupled toothed roller puller, pneumatic power Air Klipp® chain cutter, pneumatic assisted presser foot and roller lift, and double lap seam folder with 3.2mm capacity. For lap seaming denim jeans, overalls, jackets and similar garments of medium to heavy denim and cotton duck.

FS316L63-3H32/36 with CC2PA1
3 Needle Double Lap Seamer
Plain feed, high capacity, with 1.8mm-stepped chaining and sewing parts, close-coupled toothed roller puller, pneumatic power Air Klipp® chain cutter, pneumatic assisted presser foot and roller lift, and double lap seam folder with 3.2mm capacity. For lap seaming denim jeans, overalls, jackets and similar garments of medium to heavy denim and cotton duck. (For similar style without puller, see FS311L53-3H~.)

FS316L63-3H48PA1
3 Needle Double Lap Seamer
with Wide Needle Spacing
Plain feed, high capacity, with 1.8mm-stepped chaining and sewing parts, close-coupled toothed roller puller, pneumatic assisted presser foot and roller lift, & double lap seam folder with 3.2mm capacity. For lap seaming denim jeans, overalls, jackets and similar garments of medium to heavy denim and cotton duck.

This chart outlines the key elements of the FS300 numbering system.
When ordering, styles must follow this system.