Practical ATEX filling advice for your product, packs and production target

Chemical and solvent packaging

ATEX Filling Machines for Chemicals & Solvents

Choose filling machinery for flammable solvents, industrial chemicals, cleaners and reagents around your SDS, compatibility, vapour, static and container requirements.

Industrial chemical filling system for large drums

Application factors

What matters when choosing your machine.

1

Flammability and vapour

Flash point, vapour release and area classification affect equipment, ventilation and operating controls.

2

Chemical compatibility

Concentration, temperature and cleaning method determine wetted parts, seals, hoses and nozzles.

3

Splash and foam

Diving nozzles, fill profiles and cut-off can improve filling of volatile or foaming liquids.

4

Static control

Container material, product transfer and line components influence grounding and bonding design.

5

Container range

Small bottles, jerrycans, pails and drums need different handling, weighing and closure stages.

6

Line integration

Capping, labelling, induction sealing and conveying must be reviewed with the classified area.

Machinery shortlist

Machine options that may suit your production.

Quote checklist

Send these details for a focused recommendation.

  • Product SDS, chemical name, concentration and temperature
  • Flash point and existing DSEAR / hazardous-area assessment
  • Container material, dimensions, opening and closure
  • Fill range, tolerance and required output
  • Product feed, recirculation, extraction and cleaning method
  • Capping, sealing, labelling, coding and finished-pack handling

FAQs

Questions about filling chemicals & solvents.

Can one machine fill both solvents and corrosive cleaners?

Only after both hazard and compatibility reviews. A shared platform may be possible, but seals, hoses, product contact parts, cleaning, vapour and changeover controls must all suit every product.

Are diving nozzles useful for chemicals?

They can help with splash, foam and vapour release for suitable containers, but nozzle material, travel and fill profile must be selected for the actual product.

Can jerrycan capping be automated?

Yes. Closure feeding, cap placement and torque control can be considered, with container stability and hazardous-area requirements included in the layout.

Your machine recommendation

Tell us what you need to fill — we’ll recommend the most suitable machine.

Send your product SDS, container details, fill range, target output and any ATEX information. You’ll receive a practical shortlist matched to your application.

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Process evidence

Translate the SDS and formulation into a filling and containment brief.

Chemicals and solvents may combine flammability, toxicity, corrosion, vapour, foam and cleaning constraints. The machinery specification should identify which hazard drives each design decision instead of treating every chemical as the same application.

Release, vapour and static

Record the fill temperature, flash point, volatility and the credible release points at the supply connection, nozzle, open container and cleaning stage. The competent DSEAR assessment should define hazardous-area boundaries and the controls used to prevent or limit an explosive atmosphere.

Earthing and bonding depend on the product, container and transfer system. Conductive drums, metal pipework, flexible hoses and plastic jerrycans require different consideration. The machine scope should state any monitoring, permissive or connection included rather than relying on an unverified operator action.

Compatibility and cleaning

Provide concentration and operating temperature for the product and cleaning media. Review tanks, pumps, meters, hoses, seals, valves and nozzles as one wetted path. A material approved for the product may still be unsuitable for the cleaning chemical or an intermediate mixture.

Define closed transfer where required, drain and recovery points, drip containment and how the safe clean state is verified. Open flushing can change the release scenario and should be included in the operating assessment.

Trial inputReason
Real formulation and SDSConfirms hazard, compatibility and the operating conditions being tested.
All containers and closuresChecks neck access, stability, conductivity, cap handling and changeover.
Target quantities and sustained outputAllows the fill profile, cut-off and line balance to be assessed at the intended duty.
Cleaning sequenceShows drainage, retained product, flush volume, waste route and operator access.
Can the same filler handle a flammable solvent and a non-flammable cleaner?

Potentially, but both intended products and the cleaning/changeover mode must be included in the specification. Compatibility, recipe control, residual product, zone conditions and safe operating procedures need to be defined for each mode.

Does local extraction form part of the machine?

It may be a machine interface, a supplied hood or enclosure, a facility system or a combined scope. The quotation should name the designer, performance criteria, commissioning method and any interlock between airflow and machine operation.

What does a chemical filling FAT prove?

It can prove agreed filling, handling, alarms, interlocks, cleaning observations and performance under the declared test conditions. It does not replace the site DSEAR assessment, final area classification or installation verification.

If the application does not require hazardous-area protection, the broader chemical-machinery intent belongs on chemicalfillers.co.uk. For this site, the focus remains the point where chemical handling and ATEX requirements meet.

Solvent filling machine specification

Follow the solvent from storage to the closed pack and define each release, material and cleaning interface.

The product name or flash point alone does not specify a solvent filling machine. The engineering brief should connect the formulation, operating temperature, transfer arrangement, nozzle behaviour, container material, closure sequence and facility controls. A competent DSEAR assessment and area classification remain separate site responsibilities.

Part of the processQuestions for the project briefEvidence or sample
Storage and product feedIs the source fixed or mobile? How are pressure, batch level, isolation, recirculation, drainage and hose connection controlled?Supply layout, pump data, hose and seal materials, normal temperature and cleaning sequence.
Wetted pathWhich materials contact the full formulation and cleaning media, including seals, valve seats, hoses, instruments and nozzle tips?Current SDS, formulation or compatibility data, concentration, contact time and proposed material schedule.
Filling releaseDoes the product splash, foam, mist or continue to drip? How does the nozzle enter and leave the container?Representative product and packs, intended fill profile, photographs or video of current behaviour and acceptance observations.
Vapour and extractionWhere can vapour be released during filling, waiting, capping, rejects, draining and cleaning? Who designs and proves the extraction?Area-classification and ventilation drawings, design basis, interface signals and commissioning responsibility.
Static-control pathWhich items are conductive, dissipative or insulating, and how does product move between them?Container material, transfer arrangement, earthing/bonding strategy and any monitoring or interlock requirement.
Closure and downstream transferHow long is the pack open, what closure is applied and what happens when the capper or conveyor is unavailable?Container and closure samples, line layout, accumulation limits, reject route and fault-recovery sequence.

Material evidence should cover the complete contact path

A stainless-steel frame does not confirm compatibility. List every wetted component and the basis used to select it. If supplier data or experience is incomplete, identify the need for compatibility testing or a controlled sample trial rather than describing a material as universally suitable.

Corrosion resistance and explosion protection answer different questions. The corrosion-resistant filling page covers product-contact choices; this application page keeps those choices connected to the hazardous-area brief.

Cleaning can create a different operating case

Drain-down, flushing, dismantling and waste recovery may expose more product or introduce another flammable cleaning medium. Define whether extraction, earthing, isolation and monitoring remain active during cleaning and how maintenance is prevented until a safe state is confirmed.

Use the earthing, bonding and static-control guide for the transfer path, and the trial and FAT guide to agree representative samples and recorded acceptance evidence.

Containment wording should describe a tested boundary.

Terms such as “vapour-proof” or “fully contained” should not be used without a defined enclosure, airflow or pressure basis, release scenario, verification method and maintenance requirement. Where that evidence is unavailable, specify the required interface and leave final performance for competent design and commissioning.

Solvent process controls

Follow vapour, static and cleaning risks beyond the nozzle.

The open-container period, product supply, drips, rejects, cap placement and cleaning can each create a different release condition. The machinery and facility teams should use the same operating-case description and area-classification assumptions.

V

Vapour route

Map release sources, open-pack travel, capture or containment, monitoring and the machine response to lost extraction. See the vapour extraction guide.

S

Static route

Define conductive paths, container material, hoses, clamps, verification and permissives through the earthing and bonding guide.

C

Cleaning route

Include draining, volatile cleaning media, opening the product path, waste handling and safe restart in the cleaning guide.

Where bottles are the principal pack, the new ATEX bottle filling page covers handling, nozzle access and closure integration.

Solvent filling questions

Questions that turn chemical data into a solvent-filling operating case.

The product name is not enough. The machinery and site review needs the properties, process conditions and cleaning sequence that can change release, compatibility and filling behaviour.

What SDS information is useful to the filling-machine supplier?

The machinery supplier needs the current SDS sections that describe identity, hazards, composition where relevant, physical properties, handling, storage, exposure controls and incompatibilities, together with formulation and process information not normally contained in the SDS. Useful project data also includes operating temperature, viscosity, density, conductivity where known, solids, foam, product supply and cleaning fluids.

The SDS informs the review but does not define the workplace zone, extraction performance or final machine suitability. Those decisions require the actual process and competent site assessment.

How do vapour pressure, flash point and production temperature affect the filling review?

These properties help describe how readily vapour may be generated and whether the real operating temperature changes the release scenario. They should be considered with fill rate, turbulence, exposed surface, ventilation, container opening, transfer pressure and abnormal conditions rather than used as a single pass-or-fail number.

Provide the normal and credible maximum product temperature and any heating, recirculation or pressure changes upstream. The competent hazardous-area assessment determines how the combined evidence affects classification and controls.

When should a solvent filling trial use the production liquid?

The production liquid is most valuable when viscosity, density, wetting, foam, evaporation, seal compatibility, drip behaviour or cleaning cannot be represented reliably by a safer substitute. The test plan must still address safe quantity, transport, handling, ventilation, disposal and the facility’s permission to run the material.

When a substitute is used, document what it represents and what remains untested. A successful water run, for example, should not be presented as evidence of solvent compatibility or vapour control.

How should residual solvent be managed during draining and cleaning?

Residual solvent should be included in the operating case for isolation, drain-down, recovery, flushing, disconnection, waste handling and return to service. Product trapped in hoses, valves, pumps or nozzles can create exposure, release and compatibility issues after normal filling has stopped.

Define where liquid drains, whether air or another medium is introduced, how vapour is controlled, which connections are opened and how cleanliness is verified. Cleaning fluids may create a different hazardous or materials-compatibility case from the production product.

Start with the release and the nozzle, then follow the product to closure.

Use the ATEX requirement guide, the flammable-liquid nozzle guide and the existing vapour extraction and containment guide to structure the review.

Chemical enquiry evidence

Turn the SDS into a process, compatibility and containment brief.

The SDS establishes the product-hazard starting point, but a solvent filling-machine recommendation also needs the actual temperature, transfer method, container opening, filling profile, cleaning route, ventilation and competent area-classification information.

Evidence setWhy it changes the machine or lineWhat to send
Product behaviourVolatility, viscosity, density, foam, wetting and stringing affect dosing, nozzle travel, cut-off and vapour release.Current SDS, formulation/concentration, temperature range and representative sample.
CompatibilityThe product and cleaning fluids contact several materials and dynamic seals across the complete path.Known compatible/incompatible materials, cleaning chemistry and supplier evidence.
Pack and closureNeck geometry, container conductivity, stability and closure method affect fill access, static and open-pack time.Drawings, production samples, tolerances, cap or pump and acceptance method.
Site and hazardous areaZone, ventilation, extraction, earthing, utilities and surrounding equipment define the installation interfaces.Classification drawing, layout, extraction data, site earth/control philosophy and known gaps.
AcceptanceA trial or FAT is only meaningful when its product, packs, run length and pass/fail criteria are agreed.Output basis, quality criteria, fault cases and evidence required for FAT and SAT.

Which SDS sections matter to a solvent filling enquiry?

Use the identification, hazard, composition where available, handling, physical properties, stability, incompatibility, exposure-control and emergency information. Then add the process details the document cannot know.

See the SDS evidence map

How should solvent-contact materials be approved?

Approve every tank, hose, seal, valve, meter and nozzle component against the exact product and cleaning duty. A generic compatibility chart or short trial is a starting point rather than long-term approval.

Review the complete wetted path

When does capping belong in the solvent scope?

Include capping when open-pack transfer, cap feeding, neck wetting, downstream stops or closure inspection affect releases or sustained output. Review the fill-to-close route as one process.

Plan closure handling

Additional solvent-process decisions

Choose the measurement and oxygen-control strategy from the real solvent process.

Nitrogen purging and inerting

Understand when oxygen control may be considered and why ventilation, Zone classification and ignition control remain necessary.

Specific solvent decisions

Move from the product name to a testable formulation, pump and nozzle brief.

Specialist formulations

Separate solvent handling from the finished-product quality decision.

The solvent carrier is only one part of the filling brief. Pigments can change the conditioning and cleaning task; resin components can change segregation and reaction risk; volatile loss can change how a quantity check is interpreted. Keep these properties attached to the exact formulation rather than assuming that all products using the same solvent need identical machinery.

Verification

Define net quantity, tare, density, timing and the evidence needed to accept the filled pack.

Read the accuracy guide

Need a filling system that fits your product, packs and output?

Share your SDS, hazardous-area information, containers, fill volumes, target output and any capping or labelling stages.

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