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Global Sealing SystemsGuangzhou Yijia Packaging Technology Co., Ltd.
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Solution topic

How to Choose Can Filling and Sealing for Pet Food? Start With Contents and Can Type

For pet food can filling and sealing, first confirm container, material, film, cap type, capacity, and on-site line integration needs. The equipment route includes sample and container confirmation, sealing and capping main machine, post-sealing inspection and marking. Submit sample photos, dimensions, and target capacity to facilitate equipment matching and quotation.

  • Pet can sealing should not be selected by sealing machine name alone. First confirm can mouth, film material, cap type, and output target, then decide between heat-press sealing, can seaming, or sealing and capping line.
  • How to Choose Sealing and Cap Pressing for Pet Food Cans

Start With the Current Production Conditions

I want to seal pet food cans and need cap pressing. What equipment should I choose?

First determine the packaging route

Pet can sealing should not be selected by sealing machine name alone. First confirm can mouth, film material, cap type, and output target, then decide between heat-press sealing, can seaming, or sealing and capping line.

Heat-Press Aluminum Foil Sealing + Cap Pressing Route

Suitable for: Projects with paper cans, plastic pails, or composite cans with flat rims, requiring foil sealing first then cap pressing. Advantages: Sealing and capping can be done on one machine, reducing process steps. Limitations: Rim flatness and foil material compatibility need sample testing. Not recommended: For metal rims or roll-on closures, evaluate can seaming route. Equipment direction: Paper can/plastic pail foil sealing and capping machine can complete both sealing and capping.

Metal can double seam route

Suitable for: Standard metal cans (three-piece or two-piece), with seamed lids requiring high seal integrity. Advantages: Mature seaming structure, suitable for high-speed continuous production. Limitations: Lid and can body dimensions must match; changeover requires replacing seaming rolls and can support. Not recommended: When can body is paper or plastic, seaming is not applicable; use heat sealing route instead. Equipment direction: Can seamer for metal or paper cans.

Heat-press Sealing + Standalone Cap Pressing Route

Suitable for: Projects where the can mouth needs to be heat-sealed first and then capped separately, or where the existing sealing machine already meets the film sealing requirement and only a post-capping station is needed. Advantages: Separate configuration for film sealing and capping offers high flexibility. Limitations: Requires verification of can mouth size, film and cap structure, and the conveying connection between the two machines. Not recommended: For high capacity requirements or limited space, consider an integrated machine to reduce footprint and intermediate buffering. Equipment direction: Large-diameter drum hot press sealing machine for film sealing, paired with an automatic screw capping machine or cap sorting and capping system for capping.

Recommended equipment route: Sample and container confirmation

Use physical samples to confirm can-mouth size, film compatibility, and lid structure, avoiding later configuration errors.

Recommended Equipment Route: Main Sealing and Cap-pressing Machine

Can complete foil film heat-press sealing and outer-cap pressing together, suitable for paper-can and plastic-pail pet food cans.

Recommended Equipment Route: Downstream Inspection and Marking

After sealing and capping, production date and batch number printing plus labeling are needed for traceability and brand display.

Route comparison

01Heat-Press Aluminum Foil Sealing + Cap Pressing Route
  • Suitable for paper cans, plastic pails, or composite cans with flat mouths, where foil film is sealed first and the outer lid is pressed afterward.
  • Film sealing and cap pressing can be completed on one machine, reducing process connection work.
  • The can rim flatness and film compatibility should be confirmed with sample sealing tests.
  • If the can mouth is metal or requires a seamed structure, a can seaming route should be evaluated.
  • Paper can or plastic pail foil film sealing and capping machine; it can complete both sealing and capping.
02Metal can double seam route
  • Suitable for standard metal cans, such as two-piece or three-piece cans, that require seamed lids and high sealing reliability.
  • mature can seaming structure, suitable for high-speed continuous production.
  • Can lid and can body dimensions must match; changeover requires changing seaming rollers and can lifter plates.
  • If the can body is paper or plastic, seaming is not suitable. Use heat sealing instead.
  • can seamer for seaming metal cans or paper cans.
03Heat-press Sealing + Standalone Cap Pressing Route
  • Projects where the can mouth requires heat sealing film first and then separate capping, or where the existing sealer already meets the film sealing needs and only a post-capping station is required.
  • film sealing and press capping can be configured separately for higher flexibility.
  • Can-mouth dimensions, film material, cap structure, and conveyor connection between two machines should be confirmed.
  • When output is high or floor space is limited, evaluate an integrated machine to reduce footprint and intermediate buffering.
  • A large-diameter pail heat-sealing machine seals the film first, then an automatic capping or cap-feeding system can press the outer lid.

Core process

01Sample and container confirmation
02Main Sealing and Cap-Pressing Machine
03Downstream Inspection and Marking
04Product and Sample Confirmation
05Container and Packaging Material Confirmation
06Core Process Confirmation

Associated Equipment / Consumables

Send samples and capacity requirements for a clearer solution

Pet can sealing should not be selected by sealing machine name alone. First confirm can mouth, film material, cap type, and output target, then decide between heat-press sealing, can seaming, or sealing and capping line.

01Packaging container
02Core process
03Equipment needed
04Materials
05Capacity and automation
06Sample details
Materials

Aluminum foil film or composite film must match the can rim material and sealing temper... / Outer cap, such as press cap or snap-fit cap, must match the can mouth in structure and... / can-mouth flatness affects film-seal tightness

Sample details

Can samples or mouth photos and dimensions, including diameter, height, and mouth shape... / Film samples or specifications, including material, thickness, and peelability, are use... / Cap sample or photo, including outer cap type, size, and material, is used for cap-pres...

Inquiry

Online Inquiry Form

Please specify container type, sealing material, speed target, sample status, and target market.

Sample details

01Preparation material 1

Photos and dimensions can first determine container positioning, mold direction, and whether sample testing is needed.

Can samples or mouth photos and dimensions, including diameter, height, and mouth shape, help confirm tooling and sealing range.
02Preparation material 2

Film material and liner affect sealing temperature, pressure, dwell time, and feeding method.

Film samples or specifications, including material, thickness, and peelability, are used for sealing-parameter testing.
03Preparation material 3

The lid structure determines the capping method (press, screw, or place) and whether inline integration is needed.

Cap sample or photo, including outer cap type, size, and material, is used for cap-pressing head configuration.
04Preparation material 4

Capacity target determines single machine, semi-automatic, or continuous inline configuration, and also affects the quotation range.

Target output, such as cans per hour or per day, affects station count and line connection method.
05Preparation material 5

Site conditions affect electrical control, pneumatics, conveyor length, and safety protection configuration.

On-site space or layout sketch helps determine whether to use standalone machines or an integrated line.
06Preparation material 6

Photos and dimensions can first determine container positioning, mold direction, and whether sample testing is needed.

If the information is not complete, send available photos and dimensions first. We will judge the route first and then provide a confirmation checklist.

Common selection mistakes

01Can-Mouth Size and Film Material Should Be Sent in Advance
02lid type needs confirmation
03capacity target affects the number of stations
04sealing result depends on packaging material and parameter matching
05Downstream inspection and identification need reserved interfaces.

Common questions

01Can we determine the direction without complete information?

Yes. First send can sample photos, approximate dimensions, and target capacity. We will determine the route first, then list the samples needed.

02What information needs to be prepared before a quotation?

Can samples or dimensions, film samples, lid samples, target output, and site-space information are needed.

03How does capacity affect the configuration?

High-output projects may need multi-station or connected-line equipment; low-output projects can start with a stand-alone machine and upgrade later.

04Why test consumables or film materials?

Different films vary in sealing temperature, pressure, and sealing performance, so sample testing is needed to confirm matching parameters.

05How to confirm sealing or closure effectiveness?

Sealing performance should be confirmed by sample, film, and parameter testing, not by machine model alone.

06How to determine whether a linked line is needed?

If filling is already upstream or coding and labeling are needed downstream, and output is stable, line connection can be considered.

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