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Buying Guide · 2026-02-05

A Buying Guide to Drip Coffee Hanging Ear Bag Packing Machines

The C19D forms, fills and heat seals hanging ear drip coffee bags from a single roll of filter film, running 25 to 50 bags per minute at 5 to 15 g per bag.

Drip coffee bag packing machine shown at a Sengong exhibition stand
Drip coffee bag packing machine shown at a Sengong exhibition stand

C19D Drip Coffee Hanging Ear Bag Packing Machine

The C19D forms, fills and heat seals hanging ear drip coffee bags from a single roll of filter film, running 25 to 50 bags per minute at 5 to 15 g per bag. It is built for coffee roasters and contract packers who need to pack granule coffee and coffee powder in sealed, stand-up bags with a hanging ear for retail or retail-ready packaging. The machine handles both inner and outer bag packing, with the outer bag sealed by a stepper motor for accurate and stable positioning. A PID temperature controller ensures consistent heat sealing across the batch, and the PLC control system with human machine interface allows for simple operation and monitoring.

Key Benefits

Runs granule coffee and coffee powder without bridging or clumping in the filling system, which can occur with auger or volumetric fillers. Stepper motor control for outer bag sealing ensures consistent bag length and positioning across every bag. PID temperature control maintains seal temperature within tight limits to avoid under-sealing or scorching. All food-contact parts are made of SUS304 stainless steel, meeting food safety standards. Imported cylinders ensure stable and accurate machine performance during long runs.

Scenarios

Coffee roasters producing small to medium batches of single-origin or blended drip coffee for direct-to-consumer or retail sale. Contract packers handling multiple coffee brands with different bag sizes and fill weights. Brands that need a sealed, stand-up bag with a hanging ear for easy display on retail shelves. Facilities replacing manual packing or outdated machines that cannot hold consistent seal quality.

Who for

Coffee roasters moving from outsourced packing to in-house drip bag production. Contract packers serving multiple coffee brands from one line with quick format changeover. Retail coffee brands that require a consistent, professional-looking bag with a hanging ear. Buyers replacing a machine with unstable sealing or poor bag length control.

Problems Solved

Granule coffee and coffee powder bridge or clump in machines designed for fine powder or liquid. Manual sealing leads to inconsistent bag length and weak seals. Heat sealing without temperature control causes under-sealed or scorched bags. Non-food-grade materials risk failing safety audits. Outdated machines lack digital control and require constant operator attention.

Technical Features

Outer bag sealing controlled by stepper motor for accurate and stable bag length positioning. PID temperature controller for precise heat sealing temperature adjustment. PLC control system with human machine interface for easy operation and monitoring. All product-contact parts made of SUS304 stainless steel. Some cylinders imported to ensure accuracy and stability in machine performance.

Materials

Filter film for coffee bags, suitable for granule coffee and coffee powder. SUS304 stainless steel used in all parts that contact the product. Imported cylinders used in critical motion components.

Process

Film unwinding and bag forming, filling with granule coffee or coffee powder, outer bag sealing with stepper motor control, heat sealing with PID temperature regulation, bag cutting and discharge.

Quality Control

Seal integrity tested on sample bags before shipment. Temperature control verified during test runs. SUS304 stainless steel parts inspected for material compliance. Machine tested with customer's coffee before dispatch on request.

Certifications

Sengong is certified to ISO and CE. Certificates available upon request.

Customization

Bag length set via stepper motor control for accurate positioning. Sealing temperature adjusted using PID controller. Film width matched to bag size. Voltage and plug arranged for destination market on request. Air supply and power requirements confirmed before shipment.

Comparison

[{'vs': 'Flat bag packing machine', 'point': 'The C19D produces stand-up bags with a hanging ear for retail display, while flat bag machines cannot support this format.'}, {'vs': 'Manual packing line', 'point': 'The C19D replaces a hand-filling team and holds consistent fill weight and seal quality, but requires a fixed footprint and trained operator.'}, {'vs': 'Basic heat seal machine', 'point': 'The C19D uses PID temperature control and stepper motor sealing for better consistency, but requires a PLC system and imported cylinders.'}]

Use Guide

Connect a clean dry air supply and a single phase 220V 50Hz outlet. Load the filter film roll matched to your desired bag size. Set the bag length using the stepper motor control. Enter target fill weight between 5 and 15 g and calibrate the filling system with your own coffee. Run ten sample bags and check weight, seal quality and bag length before starting the batch. Clean the filling hopper between different coffee types to avoid aroma carry-over.

Frequently Asked Questions

What is the fill weight range for the C19D machine?

The machine handles 5 to 15 grams per bag, suitable for granule coffee and coffee powder.

How fast does the C19D run?

It runs at 25 to 50 bags per minute, depending on bag size, fill weight, and coffee flow characteristics.

Can it handle granule coffee and coffee powder?

Yes. The machine is designed for both granule coffee and coffee powder, with no bridging or clumping during filling.

What type of sealing does it use?

It uses heat sealing with a PID temperature controller for accurate and consistent seal quality.

Is the machine easy to operate?

Yes. It uses a PLC control system with a human machine interface, making operation simple and intuitive.

Are the food-contact parts made of stainless steel?

Yes. All parts in direct contact with the product are made of SUS304 stainless steel.

Is the machine certified?

Sengong is certified to ISO and CE. Certificates are available upon request.

Tell Us What You Pack and We Will Match the Machine

Send us your product, target bag weight and output per hour. We reply with the model, film option and a full quotation.