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SAFE · Lockstitch
SF-V7-D4Computerized Lockstitch Sewing Machine
The SF-V7-D4 is a direct-drive lockstitch sewing machine for garment assembly and decorative stitch work. This computerized configuration adds automatic presser-foot lifting to the V7 series.
Compare this model with lockstitch machines, or use our machine selection enquiry guide to prepare your requirements.
SAFE catalogue product imageProduct advantages
Details that support the operation.
- 01Direct-drive arrangement for a compact machine setup.
- 02Automatic backtacking for seam starts and finishes.
- 03D4 configuration includes automatic presser-foot lifting.
- 04Adjustable stitch length from 0 to 5 mm.
Applications & sewing operations
Review it against your production task.
- General garment assembly and topstitching.
- Medium and heavy materials within the listed needle range.
- Decorative stitch and reinforcement work after reviewing the intended pattern.
Send your material and intended seam for configuration review. Optional functions and attachments should be confirmed in the quotation.
From the SAFE catalogue
A closer look.
Technical data
Specifications.
Specifications follow the reviewed SAFE v06 catalogue. Confirm your final machine configuration in the quotation.
| Specification | Details |
|---|---|
| Maximum speed | 4,500 rpm |
| Needle type | DB×1 #9–18 |
| Material range | Medium to heavy |
| Stitch length | 0–5 mm |
| Presser-foot lift | 5.5–15 mm |
| Drive | Direct drive |
| Packing dimensions | 630 × 250 × 550 mm |
| Net / gross weight | 29.5 / 36.6 kg |
Before you choose
Questions about this machine.
How does D4 differ from D3?
The catalogue identifies automatic presser-foot lifting as an additional D4 function. Confirm the required control functions when ordering.
Can it sew my fabric?
Share the fabric type, layer count and seam photo. These details determine the needle, thread and suitable working speed.
What should I compare on a direct-drive industrial sewing machine?
Compare the complete model suffix, thread-handling functions, foot lifting and seam requirements. Direct drive describes the motor arrangement; it does not mean that every machine includes the same automatic functions.
Ordering & after-sales
Support beyond the machine.
Tell us where the machine will be used and the configuration you require.
From one machineOrders for factories and dealers
1-year warrantyMachine warranty and spare parts supply
Remote technical supportShare model, issue and a short video
Pakistan officesKarachi and Faisalabad contacts
Continue your machine selection
Related equipment and operations.
Compare the handling method and finished seam. These machines cover different configurations or neighbouring production steps; confirm the right choice against your sample.
Discuss your SF-V7-D4.
Share your material, seam photo and quantity with Trentzhou.