Start with the finished seam.
For two or three parallel chainstitch rows, compare SF-3802D with SF-3803D-P. The latter explicitly includes a puller. Send the face and underside of the seam, fabric layers and required distance between rows.
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SAFE · Select by sewing operation
Industrial Chainstitch Sewing Machines
Choose an industrial chainstitch machine by the operation it must perform: parallel garment seams, multiple stitch rows, waistband sewing, belt-loop strip making or shirring. Compare seven SAFE configurations below, then check the complete model and attachments against your sample.
Model comparison
Choose the operation before the model.
Specifications follow the reviewed SAFE v06 catalogue. Open each model for its complete technical data; confirm the supplied setup in the quotation.
| Model | Configuration | Main application | What to check |
|---|---|---|---|
| SF-3802D | Two-needle chainstitch | Parallel garment seams | Needle spacing, material layers and required seam appearance |
| SF-3803D-P | Three-needle chainstitch with puller | Three parallel stitch rows | Puller setup, row spacing and fabric handling |
| SF-1508P | Four needles / eight threads; puller | Waistband sewing | Waistband construction, gauge and folder configuration |
| SF-B-2000C-UTC | Two needles / three threads | Belt-loop strip making | Finished strip width and optional tape cutter |
| SF-1412P | 12 needles / 24 threads | Multiple parallel rows | Needle gauge; this P version uses regular upper and lower thread |
| SF-VC008-25064VPQ-D | 25 needles / 50 threads | Multi-row elastic-band stitching | Required row layout, material and complete configuration |
| SF-1302-4W | Two needles / three threads | Elastic-thread shirring | Gathering result, fabric and thread arrangement |
Maximum speed is a catalogue rating, not a guaranteed production output. Material, setup and handling affect actual performance.
Selection notes
What does your production task require?
Match the waistband or belt-loop operation.
SF-1508P is a four-needle waistband configuration. SF-B-2000C-UTC makes belt-loop strips; its tape cutter is optional. Making a strip and attaching the finished loop to trousers are separate operations. For attachment, compare SF-8254 belt-loop sewing equipment.
Choose multi-needle rows deliberately.
Compare the 12-needle SF-1412P and 25-needle SF-VC008-25064VPQ-D by the stitch-row layout and material handling. More needles do not automatically make a machine the right choice for a garment. Needle gauge and supplied attachments matter.
Separate shirring from regular-thread stitching.
SF-1302-4W is the chainstitch shirring model here. SF-1412P uses regular upper and lower sewing thread; it should not be described as an elastic-looper version. Send an actual gathered sample and the relaxed and stretched dimensions you need.
Explore the machines
See specifications and catalogue photographs.
Chainstitch
SF-3802D
Double Needle Chainstitch Sewing Machine
Parallel chainstitch seams in garment assembly.
Chainstitch
SF-3803D-P
Three Needle Chainstitch Machine with Puller
Parallel chainstitch seams requiring three needle rows.
Waistband & Chainstitch
SF-1508P
Four Needle Waistband Sewing Machine
Jeans waistband sewing.
Belt Loop & Chainstitch
SF-B-2000C-UTC
Belt Loop Making Machine
Making belt-loop strips for trousers and jeans.
Multi-Needle Chainstitch
SF-1412P
12 Needle Chainstitch Sewing Machine
Parallel stitching for underwear and sportswear.
Shirring & Chainstitch
SF-1302-4W
Chainstitch Shirring Machine
Elastic-thread shirring in garment panels.
Before you enquire
Common selection questions.
Which chainstitch machine should I choose for jeans?
It depends on the operation. Compare SF-3802D or SF-3803D-P for parallel seams, SF-1508P for waistband sewing, and SF-B-2000C-UTC for belt-loop strip making. Confirm fabric thickness, seam construction and the complete configuration.
Is a chainstitch machine the same as a coverstitch machine?
These catalogue categories address different seam and finishing tasks. Start with the finished seam and its underside. For tubular knitwear hems and coverstitch operations, compare the SAFE industrial coverstitch range.
Does the belt-loop maker include automatic cutting?
The SF-B-2000C-UTC catalogue lists the tape cutter as optional. Include the required strip width, finished loop length and cutting requirement in your enquiry.
What information is needed for a chainstitch machine quotation?
Send the model if known, fabric composition and layers, a seam photograph or sample, needle spacing, required attachments, electrical supply, quantity and destination. The final quotation confirms the supplied configuration.
Configuration-specific advice
Send the seam you need to make.
Share your material, seam photographs, required dimensions, quantity and destination with Trentzhou. Include the full model code if you already have a preference.
Orders from one machine · One-year warranty · Spare-parts supply and remote technical support. See ordering and support details.