Automatic anti-corrosion filling
For repeated production where a conveyor-fed, multi-head system can be built around compatible product-contact materials.
Read moreAnti-corrosion filling
Corrosive liquid filling machines for bleach, acids and aggressive chemicals.
Corrosive liquid filling projects are driven by wetted material compatibility. The pump, valves, nozzles, hoses, seals, tank, frame environment and cleaning method must be reviewed before a machine style is selected.
- Chemical fillers for bleach, acids, alkalis and cleaners
- Plastic-contact and anti-corrosion filling options
- Semi-automatic and automatic options
40+ yearsmachinery experience
UK supportspecification, installation and aftercare
Chemical focuscorrosive, foamy, solvent and large-container applications
Line integrationfilling, capping, labelling and conveyors
Specification
Compatibility comes before output speed.
A corrosive filler should not be specified from fill volume alone. A liquid that attacks one seal, hose or valve material may be perfectly manageable with another, so product data and compatibility history are central to the brief.
Common corrosive-liquid projects
- Bleach and chlorine-based cleaners
- Acids, alkalis and descalers
- Toilet cleaners and drain products
- Fertilisers and agrochemical liquids
- Water-treatment and industrial cleaning products
Choose your equipment
Machine options for corrosive chemicals
Choose equipment from product compatibility and container handling.
Semi-auto corrosion-proof filling
For shorter batches or growing production where controlled dosing is needed but full automation is not yet justified.
Read more
Detergent and cleaner filling
For foaming cleaning products that may also need corrosion-aware materials and controlled fill profiles.
Read more
Jerrycan and pail filling
For larger chemical containers where weight control, drip control and operator ergonomics need attention.
Read moreComparison
Corrosive-liquid specification checklist
| Detail | Why it matters | Example |
|---|---|---|
| Chemical family | Identifies likely compatibility risks | Acid, alkali, bleach, fertiliser, descaler |
| Known compatible materials | Avoids unsuitable wetted parts | PP, PVC, PTFE, specific elastomers |
| Fill size | Determines pump and container handling | 250ml bottle to 25L jerrycan |
| Foaming or fumes | Affects nozzle, extraction and fill profile | Diving nozzle, slower fill, environment review |
| Closure style | Leak control depends on cap and seal | Screw cap, trigger, pump, induction seal |
Note
Use samples and SDS where possible
For aggressive liquids, an enquiry is stronger when it includes the SDS, concentration, temperature, fill volume, target output and any materials already proven in the production process.
FAQ
Chemical filling machine questions
What materials are used in corrosive filling machines?
Materials depend on the liquid. Projects may use selected plastics, hoses, seals and non-metal wetted parts, but the correct choice should be confirmed against the product data.
Can corrosive liquid fillers handle bleach?
Yes, bleach-based products are a common reason to review anti-corrosion filling options, but concentration and compatibility details are still needed.
Can corrosive fillers be automatic?
Yes. Automatic anti-corrosion options can be considered when the product, container, closure and production volume justify conveyor-fed filling.
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.
Compatibility qualification
Approve the entire wetted path, not only the tank or nozzle.
A corrosive liquid filling machine may include product tanks, pumps, diaphragms, pistons, valves, seals, hoses, fittings, manifolds, nozzles, level devices and drainage parts. Each component can use several materials and may experience different temperature, pressure, movement and exposure time. A safe selection therefore follows the complete product path and records who has approved each item for the actual formulation.
| Contact area | Materials or routes that may be reviewed | Approval questions |
|---|---|---|
| Rigid wetted parts | 316 stainless steel, PTFE, polypropylene, polyethylene, PVC or other engineered plastics where appropriate | Exact chemical and concentration, temperature, contaminants, stress, welds/joints, exposure time and cleaning fluid |
| Dynamic seals and valve seats | PTFE compounds and project-selected elastomers such as EPDM, FKM or NBR | Supplier grade, swelling, hardening, permeation, movement, pressure, temperature and replacement interval |
| Flexible hoses and peristaltic tubing | PTFE-lined hose, compatible thermoplastic or elastomeric tube | Inner-layer chemistry, reinforcement, bend radius, fatigue, occlusion, pressure/vacuum and connection method |
| Pump and meter | Diaphragm, peristaltic, piston, gear, lobe, magnetic-drive or compatible flow/weight route | All internal materials, dry-running, solids, viscosity, shear, pressure, leakage mode, drainage and calibration |
| Nozzle and shut-off | Compatible plastic or metal construction with positive shut-off, anti-drip or diving action as required | Cut-off, stringing, splash, neck clearance, submerged filling, retained volume and safe parking |
This is a qualification matrix, not a universal compatibility chart. Material names alone do not approve a component. Written supplier confirmation and representative product testing should be used where the formulation or duty is uncertain.
Corrosion-proof machine route
Separate chemical resistance from dosing performance.
A chemically compatible product path still has to meter accurately and shut off cleanly. Review suction lift, pump priming, entrained air, product temperature, flow restriction, pressure and the effect of long or narrow hoses. For foamy or splash-prone products, a diving nozzle or reduced initial flow may be necessary; for stringing products, positive shut-off and nozzle parking may be more important than headline speed.
Lancing’s published LUYTCR2 semi-automatic corrosion-proof filler is a fully pneumatic two-head, plastic-contact reference platform with a published 200–1000 ml range. It illustrates one route for compatible corrosive products. It does not establish suitability for every acid, bleach, alkali or cleaning formulation, so the final wetted materials, seals and hoses must be confirmed before order.
Cleaning, flushing and drainage
Specify whether the product path will be flushed, displaced, drained, stripped or changed as a dedicated set. Confirm the cleaning chemical, concentration, temperature and contact time as part of the same compatibility review. Provide safe collection for displaced product and rinse fluid, and avoid unplanned dead legs that trap aggressive liquid between campaigns.
Corrosive project evidence
- Current SDS and exact concentration range
- Normal and maximum product temperature
- Known incompatible metals, plastics or elastomers
- Minimum/maximum fill and required test method
- Container neck, venting, stability and closure samples
- Flush chemical, waste route and frequency of changeover
- Spill containment, drainage and operator PPE strategy
Containment and maintenance
Make predictable wear visible and serviceable.
Corrosive service can turn a minor leak into rapid damage. Position joints, hoses and pump seals where they can be inspected without dismantling unrelated equipment. Use drip trays or bunding that are themselves compatible, and define how a leak is detected, isolated and cleaned. The spares list should distinguish routine wear parts from chemistry-critical components and identify the exact grade or manufacturer reference rather than a generic description such as “rubber seal”.
Map the path
List every product-contact and cleaning-fluid-contact component from source to nozzle.
Approve materials
Record exact grades, supplier evidence, limits and any trial still required.
Prove filling
Test priming, repeat fills, cut-off, pauses, low/high dose and container changes.
Plan service
Define inspection, replacement, safe drainage, spares and response to leakage.
Corrosive filler FAQ
Questions that require product-specific answers.
Is PTFE compatible with every corrosive chemical?
No material should be treated as universally suitable. Exact grade, fillers, temperature, pressure, mechanical duty, permeation and the complete formulation must be checked with the component supplier.
Is plastic-contact construction always better than stainless steel?
No. The correct route depends on chemistry and mechanical duty. Some formulations suit selected stainless grades; others require non-metallic contact parts. Strength, temperature, cleanliness, static and maintenance requirements also matter.
Can the same seals be used for product and cleaning fluid?
Only after both duties are approved. A seal that tolerates the product may be affected by an alkaline, acidic or solvent cleaning fluid, especially at a higher temperature.
How can drips from a corrosive filler be reduced?
Review positive shut-off, pump response, suck-back where suitable, hose elasticity, nozzle geometry, diving movement, product head and the pause between fills. The chosen method must not compromise compatibility or dose repeatability.
What should be inspected routinely?
Check hoses, joints, seals, valves, nozzle seats, trays, guards, sensors and any signs of swelling, discolouration, cracking, deposits or leakage. Inspection frequency should follow duty, supplier guidance and operating experience.
Do you need a product sample?
A representative sample is strongly useful where foam, cut-off, viscosity or compatibility is uncertain. Agree handling, return/disposal, test conditions and the acceptance evidence before sending hazardous material.
Compatibility-led enquiry
Send the formulation evidence before selecting the contact path.
Include the SDS, concentration, temperature, fill range, containers, cleaning fluid and known material restrictions.