INMAYPACK · HMK420 horizontal form fill seal
Flexible Packaging Machine
Roll film. Zipper doypacks. Product-matched filling.
Bring pouch forming, filling and sealing into one horizontal packaging line. Configure the HMK420 around your product, zipper pouch drawing, roll film and required finished-pack output.
- Roll-stock HFFS
- Stand-up zipper pouches
- Selected dosing system
The reference below is an HMK420 zipper-doypack proposal. Product samples, packaging film and the agreed production test define the final configuration.

210 × 270 mmMain-machine pouch-range reference
From roll stock to a finished zipper pouch
What is the HMK420 flexible packaging machine?
The HMK420 is a horizontal form-fill-seal machine that makes zipper stand-up pouches from roll film, opens each formed pouch, receives a measured product dose, seals and cools the top, then discharges the finished pack.
Select its forming modules, dosing equipment and connected accessories for the actual product and package. A line using supplied, already manufactured bags follows the separate premade pouch packing route.
Pouch formats & forming options
Make the package your product needs
The referenced project combines a bottom gusset, zipper, tear notches and a Euroslot. Selected modules and tooling determine the installed package features.
Reclosable retail package
Zipper stand-up pouch
Review the bottom gusset, zipper placement, seal widths and opening access together. The filled pack must stand and reclose as intended.
Selected retail features
Tear notch & Euroslot
Include easy-open and hanging-hole tooling in the pouch drawing and equipment list. Confirm their position relative to the zipper, artwork and top seal.
Schematic package illustrations. Final dimensions and feature positions follow the approved production drawing.
Review roll film, zipper, artwork and forming dimensions
- Width, height, gusset depth, zipper position and all seal widths
- Laminate structure, thickness, heat-seal layer and suitable sealing conditions
- Print repeat, registration mark, film width, reel diameter, core and unwind direction
- Zipper profile, supply condition, welding requirements and reclosure performance
- Tear notch, hanging hole, corner shape, coding area and change parts
Use the HFFS film specification guide and bottom-gusset forming guide with the actual pouch drawing.
HMK420 project specifications
Compare the machine and finished-pack requirements
Use the main machine, weighing component and complete-line scope as separate selection references. The project values below describe a proposed configuration.
Output reference
80 bags/min
Gummy-cluster project target, subject to received product, film and final tests.
Pouch reference
100 × 130–210 × 270 mm
Main-machine pouch window. Controlled drawings define each purchased format.
Main-machine electrical reference
18 kW
Main-machine reference. The weigher, elevator and other accessories add their own loads.
Open HMK420 main-machine dimensions, utilities and construction
| Selection field | Project reference | Confirm for your order |
|---|---|---|
| Machine route | HMK420 roll-stock HFFS; intermittent motion | Final model suffix and station configuration in the current proposal |
| Pouch size reference | 100 × 130 to 210 × 270 mm | Approve the dimension order, gusset, zipper and seal drawing |
| Output reference | 80 bags/min project target | Production samples, selected filler and agreed acceptance test |
| Main-machine dimensions | 11,500 × 1,300 × 2,000 mm (L × W × H) | Complete layout includes the selected accessories and access space |
| Main-machine weight | 9,000 kg | Foundation, unloading, access and positioning |
| Electrical consumption reference | 18 kW | Total installed load depends on selected auxiliaries |
| Compressed air reference | 0.5 m³/min at 0.6 MPa | Air quality, available pressure and complete-system demand |
| Electrical supply reference | 200–415 V, 50–60 Hz; customized for the project | Confirm the destination supply and electrical requirements |
| Frame & contact materials | SUS304 and carbon-steel frame; SUS304 product-contact parts | Release component materials and required surface finish |
| Controls & safety | Project-selected control package and guarding | Confirm the supplied brands, interlocks and applicable conformity documents |
Open the two gummy-cluster pack references
| Project pack | Dose target | Pouch face-size reference | Foreseen output |
|---|---|---|---|
| Small project pack | 85 g | 100 × 130 mm | 80 pouches/min target |
| Large project pack | 150 g | 200 × 200 mm | 80 pouches/min target |
Both packs have a 1.5% proposed dose-tolerance target. Final dose tolerance, pouch size and output require product samples, packaging films and testing. Approve the complete gusset drawing separately from these face-size references.
These are references from one HMK420 zipper-pouch proposal. It names HMK420-FED in the equipment list and HMK420-4 in the main-machine table; confirm the final suffix and configuration in the current signed proposal.
How the line works
From roll film to a sealed zipper doypack
Coordinate forming, pouch transfer, filling and sealing as one production process. Selected modules define the final station layout.
Unwind & align
Feed the approved film under controlled tension and alignment.
Form the gusset & seals
Create the specified bottom geometry and pouch seal structure.
Add zipper & retail features
Use the selected zipper welding, tear-notch, hanging-hole and coding modules.
Cut & transfer
Separate the formed pouch and carry it to the opening and filling positions.
Open & verify
Open the mouth and bottom; confirm the required pouch condition before filling.
Dose & settle
Release the measured product and keep the top-seal area clear.
Top seal & cool
Apply the approved sealing settings and stabilize the closed seam.
Discharge & transfer
Release the finished pouch to the selected outfeed or downstream equipment.
Machine details
See the mechanisms that handle your pack
Reference photographs show relevant pouch-transport, opening and sealing mechanisms. The approved equipment list defines the installed components.

Servo pouch transport
Review pouch position and controlled movement between the forming, opening, filling and sealing stages. Confirm lubrication points, maintenance and format adjustment for the supplied machine.

Pouch opening & detection
Review the selected vacuum opening, mechanical assistance and bottom-opening arrangement with actual film and zipper samples. Verify the response when a bag is missing or its opening is invalid.

Top sealing & cooling
Validate seal temperature, pressure, dwell and cooling with the approved laminate. Agree the inspection method for contamination, wrinkles and seal integrity.
Review product settling, hopper cutoff and seal-area protection
- Product drop height and transfer path for fragile or coated pieces
- Selected bottom-opening or shaking assistance for the package and product
- Hopper closure or dosing cutoff when required to control tailing
- Dust or splash control appropriate to the selected filling method
- Opening-detection response, rejects, cleaning access and safe restart
The pouch opening and filling guide connects these checks to the actual dosing handoff.
Complete packaging-line configuration
Select the machine, filler and accessories together
The gummy-cluster proposal pairs the HMK420 with a multihead weigher, product elevator, installation platform and outlet conveyor.
Pouch forming & sealing
HMK420 main machine
Forms and handles the roll-film zipper pouch. Its project output target is 80 bags/min, with the approved product and material.
Separate dosing component
14-head multihead weigher
1.6 L bucket reference; 30–1,000 g weighing range. The proposed gummy packs target 85 g and 150 g.
Selected connected equipment
Feed, platform & outfeed
Review product loading, access to the weigher, supporting platform and finished-pouch discharge with the full line layout.
Read the separate weigher and complete-line boundaries
The selected weigher lists a theoretical 120 ppm speed and theoretical 0.5–1.0 g accuracy; both vary with the product and target weight. These component values do not establish accepted HMK420 line output or finished-pack accuracy.
- Confirm the named weigher and hopper arrangement for your product
- Approve the full layout, working platform, elevator and cleaning access
- Include accessory power, air and other utility requirements
- Agree accumulation, inspection, reject and downstream handoff duties
- Resolve the proposed platform dimensions in the approved layout; the quotation and technical table differ
Product applications & filling options
Choose the filling system for your product
The gummy-cluster references are project-specific. Other products need their own dose, package, filling and sealing review.
Referenced project
Gummy clusters & candy
The referenced HMK420 proposal concerns coated gummy clusters in 85 g and 150 g packs. Review coating loss, bridging, fragility and drop height. Compare gummy packaging routes →
Application review
Nuts, dried fruit & granules
Review the selected combination weigher or other dosing method for piece size, density, flow, target dose and acceptable breakage.
Product-matched configuration
Coffee beans & ground coffee
Review beans and powder separately: weighing or auger dosing, dust, freshness requirements, material, zipper and any valve or gas-treatment scope. Compare coffee pouch machines →
Separate filling review
Powders, liquids & pastes
The HMK family can be paired with different metering methods. Confirm the exact model, filler, product transfer, cutoff, contact materials and cleaning for the proposed application.
Coffee packaging requirements
Send roast condition, bean or powder characteristics, target weight, bag drawing and shelf-life requirements. Define any gas flushing, degassing valve or residual-oxygen testing explicitly in the quotation. Compare the broader coffee packaging machine range if the package format is still open.
Flexible packaging machine price
Get a quote for your complete configuration
The machine price depends on the pouch-forming modules, selected filler, accessory equipment and agreed project scope. Request an itemized current quotation based on your production requirements.
Forming, filling & package scope
- Named HMK420 variant and agreed pouch range
- Zipper, tear-notch, Euroslot and coding modules
- Selected weigher, auger, pump or other dosing equipment
- Product feed, platform, transfer and outfeed accessories
- Change parts, contact materials and cleaning requirements
Production test & project services
- Accepted output and dose tolerance for each launch pack
- Inspection, reject handling and downstream interfaces
- Complete layout and destination utility requirements
- Agreed test records, manuals, drawings and training
- Delivery terms, commissioning, warranty and support scope
Prepare your inquiry
Send the product and pouch. Define the line together.
Share these practical inputs so INMAYPACK can review the forming route, dosing choice, utilities and required production result.
Product, package & film
- Product photos, description and representative samples
- Flow, density, piece size, stickiness, dust, foam or viscosity
- Minimum / nominal / maximum dose and target tolerance
- Controlled pouch drawings, material and zipper samples
- Artwork, print repeat, retail features and coding requirement
Production, layout & destination
- Required accepted bags/min and launch-format list
- Shift pattern, batch sizes and expected changeovers
- Upstream product supply and downstream equipment
- Available footprint, power, air and cleaning method
- Destination, delivery, trial and support requirements
Agree the factory test and handover criteria
Factory acceptance testing (FAT) checks the agreed configuration with approved product and packaging materials. Record good output, fill-weight results, pouch geometry, seal condition, rejected packs and stops during the agreed run.
- Test the agreed smallest and largest production formats
- Use representative product condition and available production utilities
- Check opening failures, no-fill response, alarms and safe restart
- Review changeover, cleaning access and agreed operating procedures
- Confirm as-built drawings, recipes, change parts, manuals and training
Use the stand-up pouch machine FAT checklist to turn your requirement into measurable purchase and handover criteria.
Buyer questions
Flexible packaging machine FAQ
Direct answers about the HMK420 package route, output references, fillers, line layout and quotation.
What does a flexible packaging machine do?
Does the HMK420 use roll film or premade pouches?
What packing speed is referenced for this configuration?
What pouch size range is listed?
Which pouch features can be included?
Which weigher is listed for the gummy application?
Can the machine be reviewed for coffee beans or ground coffee?
Can powders, liquids or pastes use the same configuration?
What happens when a pouch fails to open?
What determines the complete-line footprint and utilities?
How much does an HMK420 flexible packaging line cost?
What installation, warranty and support are included?
INMAYPACK · Your zipper doypack project
Configure the HMK420 for your finished pack
Send your product, dose range, pouch drawing, film, required output and destination. Review the machine, filler and complete-line scope together.
sales@ewpackmachinery.com · +86 186 5879 9162