At a glance
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| Input | Station to review | Question to settle |
|---|---|---|
| Viscosity and filling temperature | Hopper and transfer path | How does the paste reach the metering inlet? |
| Largest particles and concentration | Valve and nozzle passages | Can the proposed path pass the recipe in acceptable condition? |
| Cutoff behavior | Valve, outlet and nozzle timing | Does product trail toward the seal area? |
| Pack and film | Forming and sealing stations | What opening, seal layout and film are intended? |
| Cleaning procedure | Hopper, valve, hoses and nozzle | How will contact parts be accessed and reassembled? |
Explore the options
Paste-filling inputs to review
Review the product path and the sachet process together. Recipe, particle measurements and package drawings guide selection of the hopper, dosing valve and outlet. These are questions for your recipe and package; no particle-size limit or universal compatibility is specified.
| Input | Station to review | Question to settle |
|---|---|---|
| Viscosity and filling temperature | Hopper and transfer path | How does the paste reach the metering inlet? |
| Largest particles and concentration | Valve and nozzle passages | Can the proposed path pass the recipe in acceptable condition? |
| Cutoff behavior | Valve, outlet and nozzle timing | Does product trail toward the seal area? |
| Pack and film | Forming and sealing stations | What opening, seal layout and film are intended? |
| Cleaning procedure | Hopper, valve, hoses and nozzle | How will contact parts be accessed and reassembled? |
Start with the paste as it reaches the filler
A paste filling machine deals with products whose flow, transfer and cutoff need a harder look than anything that pours freely. Ketchup, dressings and other pumpable condiments are the usual starting point for this equipment family. The product name on the label won't tell you much. Two sauces can differ in temperature, suspended pieces, oil separation and how cleanly they leave a nozzle.
Describe the material at its normal filling condition, and send a sample when you set up an assessment. Watch how it moves through a hose, whether it settles during a pause, and whether it leaves a tail when dispensing stops. The point is to connect your actual recipe to a workable dosing and packaging setup before anyone talks machine specification.
Review the hopper and transfer path as one system
The supply hopper is part of the product path, not an accessory bolted on beside it, so its behavior is a filling variable in its own right. Think about its position, how it gets refilled and how it connects to the metering unit, all together. Does product arrive from a preparation tank, a transfer pump or a container someone carries over by hand? Tell us the expected holding period too, and how the product looks near the start of a batch compared with the end.
Agitation or heating might matter for a specific recipe, but don't request either by default. Say what purpose the option serves and what condition it has to maintain. Ask how the hopper and its connections open, drain and get cleaned. That puts the supply arrangement inside the configuration review, instead of leaving it as a vague extra sitting next to the machine.

Match metering, valves and outlets to the recipe
Piston dosing is one route worth discussing for pumpable sauces and pastes. Whether it actually suits the product depends on the whole path, inlet, valve and outlet together, not the piston alone. Look at the dosing range and how it gets adjusted against the real product. If your portion target is a weight, agree how you'll weigh the filled output before anyone runs a trial. Before you compare a piston quote with a pump quote, use the piston vs pump filling record to name the metering unit, valve and outlet in each one.
For sauces with seeds or other pieces, give the largest particle size, how concentrated it is and what condition is acceptable after filling. A wider passage might fix one problem while opening up new tooling or clearance questions. Run your actual recipe through the proposed path rather than relying on a viscosity number or a photo of something similar. The team needs to see the real combination, not a description of one.
Use the sauce-sachet process description to connect the product path with forming and sealing.
For peanut butter, keep smooth and chunky recipes on separate trial records. The peanut butter filling trial brief covers product condition, particle passage through the full contact path, cutoff, pauses and cleaning access, with a blank record to complete.
Coordinate the end of filling with sachet sealing
A sauce-sachet machine brings dosing together with film transport, forming and sealing in one sequence. The end of the fill deserves extra attention, because trailing product or a splash can land right where the pack needs to close. During a sample run, watch the nozzle position and the gap between the dose finishing and the next packaging movement.
Spell out the seal layout you want, and send film samples or a film specification. Sachet dimensions, portion volume and headspace all need to be weighed together. A machine that can dispense the portion accurately still has to produce a sachet you'd actually accept. Look at weight, seal appearance, opening features and outside cleanliness as one outcome, not four separate demonstrations.

Separate flexible-pack choices from recipe choices
A small condiment sachet and a larger premade pouch need different handling. One forms from roll stock during the run, the other arrives as a bag that has to be presented and opened. Describe the incoming packaging material first, then layer the recipe and portion on top of it. As a rule, the packaging decides the machine, and the recipe decides the dosing.
If you need several pack sizes, send drawings for the smallest and the largest, plus whichever ones you'll actually run most often. Note print registration, tear features and any special closure. Ask which size changes need new tooling and which are just an adjustment. A wide size range only helps once it's turned into a specific list of approved packs and the parts each one needs.
Plan cleaning around residue and product-contact access
Thick product makes draining and access worth raising early, not an afterthought once the machine's already selected. Ask the team to name the product-contact parts in their proposed setup and explain how they get reached or removed. Hoses, valves and outlet connections belong in that review just as much as the hopper that's actually visible. Your cleaning procedure and the utilities you have give the whole conversation its context.
Think through how a recipe change gets completed and checked. If flavors, colors or ingredients need to stay separate, say so, and agree where the removed parts get cleaned and stored. The equipment discussion needs to name real tasks and real access requirements. A stainless exterior or a photo of an open machine won't tell you the cleaning method for every formulation running at your factory.
Evaluate production with representative pauses and changes
A useful sauce trial can focus on quantity, particle condition, cutoff behavior and sachet closure. Decide up front which questions the run needs to answer, and which product and packaging samples you'll use. If pauses and restarts matter to your process, build one into the trial. The result should describe the conditions tested, not just what came out the end.
For production planning, keep the machine cycle separate from the acceptable packs you actually collect over time. Bring replenishment, packaging changes and routine checks into the operating discussion. Ask how the configuration behaves when the hopper runs low or downstream handling pauses. That tells you more than a single speed figure ever will, especially one quoted without the recipe, portion, film and measurement conditions behind it.
Prepare a paste-filling inquiry with clear priorities
Send the full product description, normal filling temperature, intended portion and unit, a package drawing and the output you need. Mention pieces, separation, foaming or stringing if any of those apply to your product. A photo of the product leaving an existing dispenser can help explain the problem, but the team still needs real material and packaging samples to assess anything properly.
Separate the recipes you're starting with from the ones you plan to add later. The split matters for sauces because a dosing path that handles a smooth ketchup won't necessarily handle a sauce with seeds the same way. The sauce-sachet machine page goes deeper into the packaging sequence, and the application page covers recipe-specific planning if that's where your questions are heading.
Examples in the table describe submission formats, not machine specifications or trial results. Mark any undecided input as provisional. Agree sample quantities, handling and the scope of any trial before shipping material. See the sample assessment process for preparation and limits.
Common questions
What type of filling machine is used for thick sauces and pastes?
Piston dosing is one route to review for pumpable sauces. Start with the recipe, filling temperature and package, then assess the hopper, valve and outlet together. The sauce-sachet process link in the metering section covers the packaging sequence.
Can a paste filling machine handle sauce with seeds or pieces?
Send the full recipe, normal filling temperature, largest particle size, concentration and acceptable piece condition. The valve, outlet and pack opening decide what needs checking. A wider passage alone does not prove compatibility.
Does a paste filler need a heated or agitated hopper?
Supply the recipe, normal temperature and observations of thickening or separation during holding. Review the hopper and transfer conditions before selecting heating or agitation; neither is required for every paste.
What to send us
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| Item | Why we need it | Example format |
|---|---|---|
| Recipe and filling temperature | Review hopper and transfer needs | Formulation description and temperature record |
| Particle size and concentration | Assess the valve and outlet path | Dimensioned photos and product notes |
| Dripping or stringing | Define the cutoff question | Short video with operating conditions |
| Fill target and unit | Agree portion checking | Target in g or mL |
| Sachet drawing and film | Review forming and seal area | Dimensioned PDF and film specification |
| Acceptable output | Define the production requirement | Accepted packs per stated time period |
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