Solvent filling

Solvent filling machines for specialist and flammable-liquid projects.

Solvent filling projects need careful review of the liquid, container, vapour behaviour, splash control and installation area. Many solvent enquiries also overlap with ATEX and hazardous-area requirements.

  • Solvents, thinners and specialist low-viscosity liquids
  • ATEX-aware machinery specifications
  • Bottle, tin, can and industrial-container projects
40+ yearsmachinery experience
UK supportspecification, installation and aftercare
Chemical focuscorrosive, foamy, solvent and large-container applications
Line integrationfilling, capping, labelling and conveyors

Specification

Solvents are not just thin liquids.

A solvent may fill quickly, but the project can be shaped by vapour, ignition risk, container opening, cap handling, operator exposure, site conditions and safe handling. These points should be addressed before choosing a standard low-viscosity filler.

Useful solvent enquiry details

  • Product name and SDS
  • Flash point and vapour notes
  • Fill volume and container material
  • Open-top, screw-cap, tin or can handling
  • Manual, semi-auto or automatic output target

Choose your equipment

Related solvent equipment options

Use these options to prepare a complete solvent filling and closing brief.

ATEX filling machines product machinery image
ATEX

ATEX filling machines

Where the solvent or production area may require hazardous-area specification.

Read more
Automatic chemical filling machinery option
Automatic

Automatic chemical filling

For repeated production where filling, capping and conveying need to be integrated.

Read more
Chemical capping product machinery image
Closures

Chemical capping

For cap torque, cap feeding, tin closure or line sealing discussions around solvent packs.

Read more

Comparison

Solvent filling project risks to review

AreaWhy it mattersBriefing point
Ignition and vapourCan affect the equipment and installation approachProvide product data and site context
Splash and shut-offThin liquids may drip, splash or create presentation issuesDiscuss nozzle and fill profile
Container compatibilitySolvents can affect plastics, seals and labelsShare container and cap samples
Capping sequenceOpen containers may increase vapour and spill concernsReview capping with filling
Ventilation and site layoutMachinery cannot be specified in isolationDescribe production area and utilities

Note

Safety-led selection

Solvent projects should be reviewed using product data and installation conditions. Do not use a standard filler in a potentially hazardous environment without proper assessment.

FAQ

Chemical filling machine questions

Are solvent filling machines always ATEX?

Not always, but many solvent projects require ATEX or hazardous-area discussion. The decision depends on the liquid and installation environment.

Can solvent fillers handle small bottles?

Yes, but small-bottle solvent filling needs attention to fill accuracy, splash control, closure style and vapour management.

What should I send for a solvent filling enquiry?

Send SDS, fill volume, container and closure details, target output, installation environment and any existing risk-assessment notes.

Speak to Lancing

Need help choosing the right chemical filling machine?

Send the product, fill volume, container, closure and target output. Include SDS and compatibility notes where relevant.

Volatility and process control

Specify solvent filling around vapour release, static and the full transfer route.

Low viscosity does not make a solvent easy to fill. Fast flow can increase splash, turbulence and vapour release, while long pauses can allow drainage or evaporation at the nozzle. The product may also affect hose, seal and pump materials. The filler, bulk supply, receiving container and surrounding area must therefore be reviewed as one process.

Control the release at the fill point

Review whether the nozzle should fill above the neck, enter the container or move with the rising liquid. A controlled start can reduce initial splash; a final slow stage or positive shut-off can improve cut-off. If extraction is required, define the capture point and ensure it does not destabilise containers, pull product mist into unsuitable ductwork or interfere with weighing or flow measurement.

Select pumps and hoses for the actual solvent

Peristaltic systems can keep product inside tubing, but the tube must tolerate the chemistry and cyclic compression. Diaphragm, piston, gear, flow-meter and weigh routes each have different seal, leakage, pressure, aeration and cleaning implications. Confirm all internal materials, not only the pump body, and include the cleaning or flush solvent in the approval.

Solvent project inputs

  • SDS, flash point and operating-temperature range
  • Area classification and DSEAR information
  • Conductivity/static information where available
  • Bulk source, pump, hose length and supply pressure
  • Container material, neck, closure and vapour space
  • Extraction, bonding/earthing and containment interfaces
  • Flush method, recovered solvent and waste route

Cleaning and product change

Define where the displaced solvent goes.

A flush sequence should state the source and destination of each liquid, the quantity or endpoint, safe collection, ventilation and how the product path is left between batches. Avoid directing an unmeasured solvent flush into open waste containers. Where product recovery is planned, identify the point at which mixed or off-specification liquid is diverted and how operators recognise the change.

Operating conditionPotential issueTrial or control to agree
High initial flow into an empty bottleSplash, turbulence, mist or static generationControlled first stage, nozzle position and representative container trial
Production pauseNozzle drainage, evaporation, loss of prime or first-pack errorDefined pause time, restart sequence and first-pack verification
Small neck or unstable packMisalignment, contact, spill or conveyor movementContainer guides, neck location, nozzle clearance and stop/recovery test
Product change or flushMixed product, uncontained vapour and incompatible wasteWritten valve sequence, collection route, endpoint and operator sign-off

Specialist ownership

Keep hazardous-area engineering on the dedicated ATEX route.

Chemical Fillers UK covers the product and pack decisions that affect solvent dosing. Where the site has or may create a classified area, use ATEX Filling Machines UK for specialist equipment and project guidance, alongside competent DSEAR and area-classification advice. A corrosion-resistant or pneumatic filler is not automatically suitable for a flammable-liquid installation.

Solvent filling FAQ

Questions to settle before choosing a machine.

Does every solvent filling project need ATEX equipment?

The requirement depends on the product, release scenario, ventilation and competent hazardous-area assessment. Do not decide from the word “solvent” alone or assume ordinary equipment is suitable without assessment.

Can a peristaltic filler handle solvents?

Some applications may suit peristaltic dosing, but tubing material, fatigue, permeation, flow and static considerations must be approved for the exact solvent and duty.

How can vapour be reduced at the fill point?

Potential measures include lower-turbulence filling, controlled nozzle position, suitable extraction, closed transfer and reduced open-container time. The site assessment determines the required controls.

What causes inconsistent fills with thin solvents?

Common causes can include drainage, loss of prime, air ingress, evaporation, changing supply head, meter limitations or container/scale effects. Reproduce starts, stops and temperature conditions during the trial.

Should containers be bonded or earthed?

The static-control strategy depends on the liquid, container, transfer equipment and site assessment. Conductive and non-conductive packs require different competent consideration.

Can the filler be flushed between solvents?

Only with a documented, compatible and contained procedure. Confirm the flush liquid, sequence, endpoint, waste/recovery destination, ventilation and restart checks.

Solvent filling brief

Share the product hazard and the site conditions together.

Send the SDS, temperature, fill range, containers, classification information, extraction, static-control and cleaning details.