Key Benefits
- Forms and seals inner and outer bags simultaneously, doubling packing speed compared to sequential machines
- Stepper motor controls outer bag sealing for accurate positioning and stable bag length
- PID temperature controller ensures consistent heat sealing across long production runs
- Ultrasonic sealing avoids glue or heat damage to delicate coffee aromatics
- All food-contact parts made of SUS304 stainless steel for compliance with food safety standards
- Built-in nitrogen flushing port allows connection to nitrogen generator for extended shelf life
Application Scenarios
- Coffee roasters packaging single-origin or blended ground coffee for retail and wholesale
- Contract packers running multiple coffee brands on one line with quick format changeover
- Export-focused producers needing stable, tamper-resistant packaging for international markets
- Brands requiring nitrogen flushing to preserve freshness in high-value coffee products
Who It Is For
- Coffee roasters moving from manual packing to automated inner and outer bag sealing
- Contract packers serving multiple coffee brands with varying bag sizes and formats
- Exporters needing compliant, stable packaging for coffee shipped to Europe, North America and Asia
- Producers who require nitrogen flushing to extend shelf life without chemical preservatives
Problems It Solves
- Manual inner and outer bag sealing causes inconsistent bag size and weak seals
- Inaccurate bag length positioning leads to wasted film and misaligned labels
- Heat sealing with inconsistent temperature damages coffee aroma and reduces shelf life
- Lack of nitrogen flushing capability shortens product freshness in vacuum-packed coffee
- Single-layer bagging fails to protect coffee from moisture and oxygen during transit
Technical Features
- Ultrasonic sealing for inner and outer bags with precise, heat-free sealing
- Stepper motor controls outer bag length positioning for stable and accurate bag size
- PID temperature controller for accurate and stable heat sealing temperature
- PLC control system with human-machine interface for easy operation and monitoring
- Volumetric cup filling system for consistent 5 to 15 g per bag output
- Built-in connector for nitrogen flushing to extend shelf life
- Optional flat cut, date printer, and easy tear device for added functionality
Specifications
| Machine model | C19D |
|---|---|
| Machine type | Drip Coffee Packaging Machine Series |
| Bag type | Ultrasonic sealing |
| Packing material | PLA/Paper/Plastic, Plastic/Aluminum/Plastic, Paper/Aluminum/Plastic, Filter paper |
| Feeding system | Volumetric cup filler |
| Package range | 5-15 g per bag |
| Inner bag size | L: 50-75 mm, W: 50-90 mm |
| Outer bag size | L: 85-120 mm, W: 75-100 mm |
| Inner bag film width | 180 mm |
| Outer bag film width | 200 mm |
| Packing speed | 40-60 bags/min |
| Power supply | Single phase, 220V, 50Hz, 3.7 kW |
| Machine weight | 600 kg |
| Machine dimension | 1200 x 900 x 1900 mm (L x W x H) |
Packing Materials It Runs
- PLA/Paper/Plastic film for compostable coffee bags
- Plastic/Aluminum/Plastic film for moisture and light barrier protection
- Paper/Aluminum/Plastic film for premium retail packaging
- Filter paper for inner bags in direct contact with coffee
How the Machine Works
- 1Film unwinding and inner bag forming
- 2Volumetric cup filling with 5 to 15 g per bag accuracy
- 3Inner bag ultrasonic sealing and positioning
- 4Outer bag forming and ultrasonic sealing
- 5Bag discharge with optional flat cut, date printing or easy tear feature
Quality Control Before Shipment
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Certifications
- ISO
- CE
Customization Options
- Choice of inner and outer bag film types to match brand and sustainability goals
- Adjustable inner and outer bag sizes within the 50-75 mm and 85-120 mm range
- Optional flat cut, date printer, and easy tear device added at factory
- Power supply configured for destination market voltage on request
- Nitrogen flushing port reserved for connection to nitrogen generator
How It Compares
| Single-layer coffee bag machine | The C19D provides double-layer protection with inner and outer sealing, improving barrier performance and tamper resistance, but requires more film and setup time |
|---|---|
| Manual inner and outer bag sealing | The C19D automates both layers, eliminating human error and increasing speed, but requires a fixed power supply and floor space |
| Heat-sealed coffee bag machine | Ultrasonic sealing avoids heat damage to coffee aroma and allows thinner seals, but requires an air supply for the sealing head |
Use Guide
- 1Connect a clean dry power supply at single phase 220V 50Hz and 3.7 kW
- 2Load the selected film roll matching the inner or outer bag size and material
- 3Set the inner and outer bag dimensions within the 50-75 mm and 85-120 mm range
- 4Enter target fill weight between 5 and 15 g and calibrate the volumetric cup filler
- 5Run ten sample bags and check fill weight, seal integrity, and bag length
- 6Connect nitrogen generator to the reserved port if shelf life extension is required
C19D Automatic Stable Drip Liberia Coffee Bag Packing Machine FAQ
What is the packing speed of the C19D?
The machine runs at 40 to 60 bags per minute, depending on bag size and coffee flow rate.
Can it handle different film types?
Yes. It supports PLA/Paper/Plastic, Plastic/Aluminum/Plastic, Paper/Aluminum/Plastic, and filter paper.
Does it support nitrogen flushing?
Yes. The machine has a reserved connector for linking to a nitrogen generator to flush nitrogen into the bag.
What power supply does it need?
Single phase 220V 50Hz, 3.7 kW. We can adjust the voltage and plug type for your destination market.
Can I add a date printer or easy tear feature?
Yes. Optional flat cut, date printer, and easy tear device can be added at the factory.
How much floor space does it need?
The machine measures 1200 x 900 x 1900 mm and weighs 600 kg, so plan for access and lifting capacity.
Is the machine certified?
Sengong is certified to ISO and CE. Certificates are available upon request via email or WhatsApp.
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Related Reading
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Buying GuideUltrasonic Sealing or Heat Sealing for Tea and Coffee BagsThe C20 automatic pyramid herb tea bag pack machinery uses ultrasonic sealing to form and seal pyramid tea bags from a single roll of nylon or non-woven film.Get A Quote For the C19D
Tell us your product, bag weight and hourly output. We confirm the film, the bag size and the total delivered price.