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SAFE · Chainstitch

SF-3802D Double Needle Chainstitch Sewing Machine

The SAFE SF-3802D double needle chainstitch sewing machine is a direct-drive option for parallel chainstitch seams. The catalogue identifies this two-needle configuration for medium and heavy material, with an integrated servo-drive arrangement.

Compare chainstitch machines →

MOQ: 1 machine1-year warrantyRemote support
SAFE SF-3802D double needle chainstitch sewing machine
SAFE SF-3802D product image from the catalogue.

Product features

Built around the sewing operation.

  • 01Two needles form parallel rows for operations requiring a double-needle chainstitch arrangement.
  • 02Integrated servo / direct-drive operation is specified for the D series.
  • 03The table lists compound feed for material handling.
  • 04A 1.4–4 mm stitch-length range and maximum 4,000 rpm rating support configuration comparison.

Applications & catalogue details

Check the material, seam and handling.

  • Parallel chainstitch seams in garment assembly.
  • Medium- and heavy-material operations requiring two needle rows.
  • Production stations selected after reviewing the seam, thread and required needle spacing.

Send a material or finished-seam sample to confirm the configuration. Catalogue examples illustrate the operation; the required result should be agreed before ordering.

Discuss Your Application

Technical data

SF-3802D specifications

SAFE v06 catalogue, printed page 25. Confirm the supplied configuration in your quotation.

Maximum speed is a catalogue rating. Actual output depends on material, setup and handling. Packing dimensions, where listed, describe the shipment.

View the SAFE Catalogue
SF-3802D technical specifications
ModelSF-3802D
Stitch typeTwo-needle chainstitch
DriveIntegrated servo / direct drive
Feed arrangementCompound feed
Needle systemTV×7 #9–21
Stitch length1.4–4 mm
Presser-foot lift8–10 mm
Maximum speed4,000 rpm
Material categoryMedium / heavy
Net / gross weight48 / 50 kg
Packing dimensions635 × 245 × 565 mm

Before you choose

Questions about SF-3802D

Is this a two-needle or three-needle chainstitch machine?

SF-3802D is the two-needle version. Needle count should be checked by model rather than inferred from a stitch photograph used elsewhere in the catalogue series.

Is a chainstitch machine the same as a double-needle lockstitch machine?

No. They form different stitch structures. Choose according to the seam requirement, thread appearance and garment construction, and provide both face and reverse views of the desired seam.

What is the needle spacing?

A model-specific spacing is not confirmed in the extracted v06 table. State the distance required between the two stitch rows so the supplied gauge can be confirmed before ordering.

Can this replace an overlocker or coverstitch machine?

It should be selected for the specified chainstitch operation. An overlocker or coverstitch machine has a different role; compare the actual seam construction instead of selecting solely by needle count.

Ordering & technical support

Prepare a configuration-specific enquiry.

Send the model, material, seam or operation, quantity and destination. For automated equipment, include the workpiece dimensions and current handling steps.

From one machineFactories and dealers welcome
1-year warrantySpare-parts supply available
Remote supportSetup and technical assistance
Pakistan officesKarachi and Faisalabad contacts

Compare related models

Find the right configuration.

Talk to Trentzhou

Request a SF-3802D quotation.

trentzhou@millionindustry.com · WhatsApp +86 18757430046

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