Liquid spray lines are one of MUSI's traditional strengths. We have deep expertise in water-based paint coating, 2K mixing systems, and electrostatic liquid spraying — offering everything from single-color manual to multi-color automatic configurations. MUSI Technology manufactures liquid spray lines and booths in Changzhou, China, for water-based, solvent-based, airless and electrostatic paints, and has delivered 800+ coating lines to 36 countries with on-site installation and training.
Liquid coatings (water-based, solvent-based, 2K paints) still dominate in automotive, furniture, and appliance exterior finishes. MUSI provides differentiated solutions tailored to each paint type's characteristics.
Budget — balance of upfront investment and long-term running cost
MUSI engineers can run process simulations and ROI calculations based on your specifics. Contact us for a free proposal.
Need a custom coating line for your factory?
Tell us about your workpieces and capacity requirements. Our engineers reply within 24 hours; a tailored configuration and quotation follow once your part data is complete.
Transfer efficiency is what separates these five processes. Electrostatic liquid spray reaches at least 80% at 60–90 kV. Water-based lines reach at least 70% with the electrostatic option and emit under 5 g/m² of VOC. Airless spray reaches at least 65% at 200–300 bar because it uses no atomising air. Solvent-based booths run down-draft at 0.4–0.6 m/s face velocity with ATEX Zone 1/2 protection. 2K machines mix from 1:1 to 100:1 at 0.5–10 L/min.
spray coating line What a spray coating line costs, how the main types compare on throughput and finish, and the specs to fix before you ask for quotations.
Industrial paint booth options on a liquid spray line
An industrial paint booth on a liquid spray coating line is a dry filter booth, a water curtain booth or a downdraft booth, chosen by paint type, part size and overspray load. Large paint booths for containers, machinery and vehicle bodies add man-lifts and multi-zone air supply. Every booth is matched with flash-off, drying oven and VOC treatment such as an regenerative thermal oxidizer (RTO).
Liquid spray coating line price range
Indicative ex-works budget from our published cost guide: manual liquid spray booths start around USD 15,000, semi-automatic liquid spray lines run roughly USD 80,000-400,000, and electrostatic or robotic lines above that. Booth size, flash-off and drying oven length, paint system (water-based, solvent-based or 2K) and VOC treatment set the final figure; RTO or zeolite rotor systems add USD 80,000-400,000. Send part drawings and output for a line-specific quotation.
Scope of supply and next step
Supplied by MUSI
MUSI builds five liquid spray coating systems: water-based, solvent-based, airless high-pressure, electrostatic and 2K mixing. Transfer efficiency is 80% or more with electrostatic guns, 70% or more with water-based paint and 65% or more with airless spraying.
Not included in the scope of supply
Civil works, foundations and pits
Building services up to the battery limit: power supply, gas, compressed air, water and drainage
Local permits, emission approvals and third-party inspections
Paint or powder supply, unless stated in the contract
What to send for a quotation: part drawings or photos, the largest part size and weight, the material, the required output per shift and cycle time, the coating type (powder, liquid, UV or 2K) and the number of colours, and the available floor space, ceiling height, power or gas supply and local emission requirements.
Every line is engineered against a written performance specification. Line speed, cure profile, film build and emission level are stated in the contract and demonstrated on your own part at the factory trial run before shipment. One engineering team owns the whole chain — pretreatment, application, curing, conveying and emission control — so the trade-offs between them are settled on the drawing board, not on your factory floor.
Service & Delivery
Standard configurations ship in 30-60 days with a 12-month full-machine and 36-month critical-component warranty. On-site installation, commissioning and operator training are available worldwide, and process tuning and spare parts support continue for the working life of the line. Structural parts are covered for up to 60 months.
Frequently Asked Questions
Which liquid spray process fits my coating?
Water-based lines suit low-VOC production and indoor products. Solvent-based lines suit machinery, steel structures and high-build work. Airless high-pressure spray suits heavy anti-corrosion, epoxy and polyurethane coatings. Electrostatic spray suits complex shapes and paint-cost-sensitive work, and 2K mixing machines suit two-component epoxy and PU systems.
What transfer efficiency can I expect?
Electrostatic liquid spray reaches at least 80% at 60–90 kV. Water-based lines reach at least 70% with the electrostatic option, and airless spray reaches at least 65% at 200–300 bar.
What booth conditions does water-based paint need?
Water-based lines hold the booth at 22–26 °C and 60–75% relative humidity, and emit under 5 g/m² of VOC.
How much does a liquid spray coating line cost?
Indicative ex-works budget from our published cost guide: manual liquid spray booths start around USD 15,000, semi-automatic liquid spray lines run roughly USD 80,000-400,000, and electrostatic or robotic lines above that. Booth size, flash-off and drying oven length, paint system (water-based, solvent-based or 2K) and VOC treatment set the final figure; RTO or zeolite rotor systems add USD 80,000-400,000. Send part drawings and output for a line-specific quotation.
What information do you need to prepare a quotation?
Workpiece size, weight, geometry and material; the coating type (powder, liquid, UV or 2K); shift output, cycle time and colour requirements; and the available area, ceiling height, electrical and gas supply and emission requirements of your facility.
Q
Questions buyers ask before ordering
quotation · price · lead time · installation · warranty
What information do you need to prepare a quotation?
Send part drawings or photos, the largest part size and weight, the material, the required output per shift, the paint or powder type and number of colours, and the available floor space, ceiling height and power or gas supply. MUSI engineers reply within 24 hours; a recommended configuration and quotation follow once your part data is complete.
How much does this equipment cost?
Budget depends on part size, throughput and the level of automation. Indicative ex-works ranges are published in our liquid spray line cost guide; a configured quotation is prepared from your part data. Published indicative ranges: compact manual liquid spray booths from around USD 15,000–40,000, semi-automatic lines with conveyor and flash-off/curing ovens roughly USD 80,000–400,000, and fully automatic multi-colour electrostatic lines from USD 400,000 to several million dollars.
What is the lead time?
Standard configurations ship in 30–60 days from contract signing and down payment; custom configurations take longer. The delivery date is fixed in the contract.
Do you install and train operators overseas?
Yes. MUSI engineers carry out on-site installation and commissioning and give 3–5 days of operator and maintenance training. MUSI has delivered 800+ coating lines to customers in 36 countries.
What warranty and after-sales support are included?
12 months full-machine warranty, 36 months on critical components and up to 60 months on structural parts. International customers get 24-hour phone response and 72-hour on-site arrival; spare parts ship from the Changzhou headquarters.
Can the environmental equipment be supplied with the line?
Yes. VOC treatment (RTO, RCO, activated carbon, zeolite rotor), dust collection and paint wastewater treatment are supplied with the coating line under one contract; MUSI has equipped 50+ coating facilities whose projects all passed local environmental compliance reviews.
Which liquid spray coating systems does MUSI build?
MUSI builds five liquid spray coating systems: water-based, solvent-based, airless high-pressure, electrostatic and 2K mixing. Transfer efficiency is 80% or more with electrostatic guns, 70% or more with water-based paint and 65% or more with airless spraying.
Is MUSI a liquid painting line manufacturer?
Yes. MUSI manufactures the complete liquid painting line, also called a wet coating line: spray booth, flash-off zone, drying oven, conveyor and VOC treatment, delivered as one system.
Manufacturer: MUSI Technology (Changzhou MUSI Environmental Technology Co., Ltd.), Changzhou, China. MUSI designs, builds and installs this equipment as a single unit or as part of a turnkey coating line.
Best suited for
Automotive parts, furniture and appliance exterior finishes in water-based, solvent-based and 2K paints
Pump 200–300 bar, max 350 bar; flow 4–12 L/min; tip 0.013–0.035 in; hose 7.5–30 m; transfer efficiency ≥65%
Electrostatic
Voltage 60–90 kV; 2–8 guns; 100–500 ml/min per gun; paint resistivity 0.1–50 MΩ·cm; transfer efficiency ≥80%
2K mixing
Mixing ratio 1:1 to 100:1 adjustable; flow 0.5–10 L/min; automatic flush cycle for pot life control
Figures outside these ranges are met with a custom-engineered build.
What do MUSI liquid spray lines cost and how long is the lead time?
Price is quoted per project, because every unit is configured to the buyer requirements, parts and production volume. Standard configurations ship in 30-60 days with a 12-month full-machine and 36-month critical-component warranty. On-site installation, commissioning and operator training are available worldwide. Structural parts are covered for up to 60 months.
