Double Needles Chain Stitch Sewing Machine-FIBC LONGSEW|High Efficiency&Durability

Introduction to the 80700 Series

The 80700 series is a flagship product in the heavy-duty FIBC bag (Flexible Intermediate Bulk Container) manufacturing industry. Designed specifically for Jumbo bags, this chain stitch sewing machine offers versatile configurations to meet diverse production needs. Whether you require single needle or double needles, flat bed or cylinder bed, pneumatic foot lift or manual, or hot cutter systems, the 80700 series provides a comprehensive solution. With its robust construction and high-performance motor, it excels in handling materials up to 18mm thickness while integrating filler cord functions for enhanced durability. HEBEI LONGSEW MACHINERY TECHNOLOGY CO. LTD, the manufacturer, has a long-standing reputation for innovation, making this model a top choice for FIBC bag manufacturers globally.

Key Features and Technical Specifications

The 80700CD4H variant, the most advanced in the series, combines extra heavy-duty capacity with cutting-edge technology. Below is a detailed product specification table:

Parameter	Details
Maximum Sewing Thickness	18mm
Max Speed	1400 rpm
Needle Distance	7.2mm
Stitch Range	6-12mm (Standard: 10mm)
Needle Configuration	Double needles (4 threads parallel chain stitch: 401+401)
Feeding System	Top & Bottom feeding
Filler Cord Guides	Top & Bottom
Optional Systems	Pneumatic foot lift, hot cutter, needle position fixed up, and needle cooling
Motor	220V Single phase 750W servo motor (energy-efficient and powerful)
Material	Stainless Steel 304 table top and machine body shell

Versatile Configurations for Diverse Applications

The 80700 series is available in three primary models, each tailored to specific production requirements:

• 80700C: Single needle basic function with optional clutch or servo motor.
• 80700CD: Double needles basic function with clutch or servo motor.
• 80700CD4H: Double needles with advanced features including pneumatic foot lift, hot cutter system, needle position fixed up, and needle cooling. Requires a servo motor for optimal performance.

Optional functions further enhance flexibility, such as:

• 1. Pneumatic foot lift system for automated operation.
• 2. Hot cutter system for seamless material cutting.
• 3. Spout type table top and stand for specialized bag designs.
• 4. Servo motor or clutch motor for precision and energy efficiency.

Industrial Applications and Benefits

The 80700 series is ideal for FIBC bag production, which is critical in industries like agriculture, construction, and logistics. Its high-speed operation (up to 1400 rpm) and durable construction ensure consistent quality even under heavy workloads. The 4-thread chain stitch provides exceptional strength, while the filler cord function reinforces seams for long-term durability. For food-grade applications, the stainless steel 304 components meet stringent hygiene standards, as highlighted by NIST (National Institute of Standards and Technology) guidelines for industrial equipment in sensitive environments ^[1].

Company Background: HEBEI LONGSEW MACHINERY TECHNOLOGY CO. LTD

With over decades of expertise, HEBEI LONGSEW MACHINERY TECHNOLOGY CO. LTD has established itself as a leader in industrial sewing machine manufacturing. The company’s commitment to innovation and quality is evident in the 80700 series, which remains a bestseller in the FIBC bag manufacturing sector. Their customer-centric approach and technical support ensure that clients receive solutions tailored to their specific needs.

Why Choose the 80700 Series?

The 80700 series stands out for its versatility, durability, and advanced features. Key advantages include:

• High Efficiency: The servo motor ensures energy savings while maintaining high productivity.
• Precision Engineering: The 7.2mm needle distance and 10mm stitch range deliver consistent, professional results.
• Customization: Multiple configurations allow adaptation to various bag designs and production requirements.
• Compliance: The stainless steel components meet food-grade standards, making it suitable for sensitive applications.

Product Images

Conclusion

The 80700 series double needles chain stitch sewing machine is a testament to HEBEI LONGSEW MACHINERY TECHNOLOGY CO. LTD’s engineering excellence. Whether you are producing FIBC bags for industrial or food-grade applications, this machine offers the performance, flexibility, and durability needed to thrive in a competitive market. For more details, visit the [official product page](https://www.longsew.com/fibc-bag-jumbo-bag-big-bag-double-needles-chain-stitch-sewing-machine-80700c-80700cd-80700cd4h.html) or explore the [company profile](https://www.longsew.com).

References

^[1] National Institute of Standards and Technology (NIST). (n.d.). Standards for Industrial Equipment in Food Safety. Retrieved from https://www.nist.gov/