Key Benefits
- Produces inner and outer bags simultaneously, reducing cycle time and increasing throughput
- Ultrasonic sealing creates a narrow, strong seam without heat or adhesive, preserving coffee aroma
- Volumetric cup filling delivers consistent 5 to 15 g per bag with minimal giveaway
- Stepper motor controls outer bag length for accurate positioning and stable sealing
- SUS304 stainless steel parts in food contact zones meet food safety standards
- Built-in connector for nitrogen flushing extends shelf life by reducing oxidation
Application Scenarios
- Coffee roasters packaging single-origin drip coffee in branded inner and outer bags for retail sale
- Contract packers handling multiple coffee blends with quick format changeover between batches
- Roasters transitioning from manual packing to automated double-bagging with consistent seal quality
- Brands requiring nitrogen flushing to extend shelf life of roasted coffee in sealed bags
Who It Is For
- Coffee roasters moving from hand packing to in-house automated double-bagging
- Contract packers serving multiple coffee brands with short batch runs and varied bag sizes
- Brands that need a clean, professional look with visible inner bag and outer seal
- Buyers replacing older machines with heat seals that damage film or leave wide waste edges
Problems It Solves
- Manual double-bagging is slow and inconsistent in fill weight and seal alignment
- Heat sealing damages sensitive coffee film and can cause scorch marks or adhesive residue
- Inconsistent bag length leads to misalignment and poor seal quality on outer bags
- Lack of nitrogen flushing shortens shelf life of roasted coffee in ambient conditions
- Older machines cannot run multiple film types including paper-aluminum-plastic and PLA
Technical Features
- Ultrasonic sealing for inner and outer bags with two sealing devices
- Volumetric cup filling system for 5 to 15 g per bag with consistent accuracy
- Stepper motor controls outer bag length for precise positioning and stable sealing
- PID temperature controller for accurate heat control in sealing zones
- PLC control system with human-machine interface for easy operation and monitoring
- All food contact parts made of SUS304 stainless steel for hygiene and durability
- Optional flat cut, date printer, easy tear device, and nitrogen flush connector
- High-specification components including imported cylinders for stable performance
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, biodegradable packaging
- Plastic/Aluminum/Plastic film for moisture and light barrier protection
- Paper/Aluminum/Plastic film for premium retail appearance and shelf life
- Filter paper for inner bags in traditional drip coffee formats
How the Machine Works
- 1Film unwinding and inner bag formation
- 2Volumetric cup filling with 5 to 15 g per bag
- 3Inner bag ultrasonic sealing and cutting
- 4Outer bag formation and positioning
- 5Outer bag ultrasonic sealing with stepper motor control
- 6Bag discharge and optional finishing (flat cut, date code, easy tear)
Quality Control Before Shipment
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Certifications
- ISO
- CE
Customization Options
- Choice of inner and outer bag size within the 50-75 mm and 85-120 mm length range
- Film type selected from PLA/Paper/Plastic, Plastic/Aluminum/Plastic, Paper/Aluminum/Plastic, or filter paper
- Optional flat cut, date printer, easy tear device, or nitrogen flush connector added
- Power supply adjusted to destination voltage and plug type on request
- Machine dimension and weight confirmed for site access and installation planning
How It Compares
| Single-layer heat-seal coffee bag machine | The C19D produces double-layered bags with better protection and shelf life, but requires more film and a higher initial setup |
|---|---|
| Manual double-bagging | The C19D automates the entire process with consistent fill and seal quality, but needs a fixed floor space and trained operator |
| Flat bag machine with adhesive sealing | The C19D uses ultrasonic sealing for a cleaner, narrower seam without adhesive residue, but requires an air supply for the sealing system |
Use Guide
- 1Connect a clean dry air supply and single phase 220V 50Hz power outlet
- 2Load the selected film roll matching the inner or outer bag width (180 mm or 200 mm)
- 3Set inner and outer bag size within the specified range using the control panel
- 4Enter target fill weight between 5 and 15 g and calibrate the volumetric cup with your coffee
- 5Run ten sample bags and check fill weight, seal quality, and bag alignment
- 6Install optional devices such as date printer or nitrogen flush connector if needed
C19D Ultrasonic Sealing Drip Santos Coffee Bag Packing Machine FAQ
What is the fill weight range for the C19D?
5 to 15 g per bag, with consistent accuracy using the volumetric cup filler.
How fast does it run?
40 to 60 bags per minute, depending on bag size, film type, and coffee flow rate.
Can it run compostable films?
Yes. It runs PLA/Paper/Plastic film as well as Plastic/Aluminum/Plastic, Paper/Aluminum/Plastic, and filter paper.
Does it support nitrogen flushing?
Yes. It has a reserved connector to link with a nitrogen making machine for bag flushing.
What power supply does it need?
Single phase 220V 50Hz, 3.7 kW. We can adjust the voltage and plug type for your market.
How much floor space and lifting capacity do I need?
The machine measures 1200 x 900 x 1900 mm and weighs 600 kg, so plan for forklift access and doorway clearance.
Is the machine certified?
Sengong is certified to ISO and CE. Certificates are available upon request via email or WhatsApp.
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Tell us your product, bag weight and hourly output. We confirm the film, the bag size and the total delivered price.