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The KWS6901-4 features 4 filling ports for high-throughput production, capable of processing 400-800 kg/h with 1% accuracy. Ideal for large-scale bedding and textile manufacturing.
| Model | KWS6901-4 |
| Number of Workstations | 4 |
| Production Capacity | 400-800 kg/h |
| Filling Speed (600g pillow) | 10-20 pieces/min |
| Accuracy | ~1% (Error ±5-10g) |
| Optimal Filling Range | 100-2000g |
| Power Range | 10.5-13.5 kW |
| Suitable Raw Materials | 0.6D-15D polyester fiber, fiber balls, shredded foam, down, EPS balls, etc. |
| Material | Steel |
| Certification | CE (EN ISO 12100:2010, EN 60204-1:2018) |
Available in 2-workstation (KWS6901-2) and 4-workstation (KWS6901-4) configurations. Can be integrated with automatic fiber opening and feeding systems.
Constructed from steel, pneumatic automatic continuous operation. Suitable for indoor dry workshops with stable three-phase power and compressed air supply.
Perfect for high-volume production of pillows, duvets, quilts, cushions, down jackets, plush toys, beanbags, and pet beds.
MOQ: 1 unit. Delivery terms: EXW, FOB, CIF, CFR, DDP. Payment: 30% TT deposit, 70% before shipment. Pre-shipment testing and third-party inspection (SGS) available.
A Saudi manufacturer deployed 10 units of our KWS6901-4 filling line. After 3 years, they achieved 30% energy savings, 35% labor cost reduction, and 40% capacity increase. The machines operate normally with minimal maintenance.
The main difference is the number of filling ports: 2 vs 4. KWS6901-4 offers higher throughput for large-scale production.
Yes, it can fill down feathers, polyester fiber, and other similar raw materials, including mixed fills.
Accuracy is about 1%, with error range ±5-10g, depending on material and fill weight.
Requires stable three-phase power supply; power range is 10.5-13.5 kW.
Yes, it holds CE-MD certification (certificate M.2024.206.C100562) valid until 2029.
Standard warranty is typically 1 year, contact us for details.
Pre-shipment testing is available; we also offer third-party inspection upon request.
Contact: Yan Du, Email: kivas@qdkws.com, Tel: +86 18669828215, WhatsApp: +86 18669828215. Address: 279, Huan Tai East Road, Huangdao District, Qingdao, China.



