GAOLIJIE
K7S AC Duct Cleaning Machine
K7S AC Duct Cleaning Machine
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Gaolijie K7S AC Duct Cleaning Machine
The Gaolijie K7S is an all-in-one duct cleaning system for HVAC and air conditioning ductwork. It combines powered brushing, camera inspection, and vacuum collection into a single unit for use in office buildings, hotels, hospitals, and commercial facilities.
Technical Specifications
| Specification | K7S |
|---|---|
| Duct Diameter Range | 200–800 mm |
| Maximum Working Distance | 30 m |
| Camera | HD with recording and timestamp overlay |
| Climbing Angle | 30–35° |
| Cleaning Speed | 4–6 m/min |
| Drive System | Tracked crawler, aluminum alloy frame |
| Control System | Dedicated control box with LCD display |
| Power Supply | Configurable: 110V/60Hz or 220V/50Hz |
| Vacuum Integration | Pairs with K8 HEPA dust collector |
| Weight | ~85 kg (system total) |
| Warranty | 1 year factory-direct |
Application
The K7S is used for HVAC duct cleaning in commercial buildings — office towers, retail centers, hotels, and healthcare facilities. It is designed to handle the dust and particulate buildup common in air conditioning and ventilation ductwork, where dry particulate removal is the primary requirement.
Contact our engineering team for the complete datasheet, application-specific recommendations, and a factory-direct quotation.
Shipping & Delivery
Shipping & Delivery
Global shipping to 50+ countries via express, air, and sea freight. Every order packed in reinforced fumigated wooden crates with moisture barrier protection. Processing: 1-3 business days. Transit: 3-14 days depending on destination and method.
Warranty & Lifetime Support
Warranty & Lifetime Support
1-Year Comprehensive Warranty on all machines. Spare parts ship within 48 hours from factory inventory. Free lifetime technical support — video training and maintenance docs included with every purchase.
Frequently Asked Questions
Frequently Asked Questions
Is this machine right for my application?
Our robots handle duct diameters from 120mm to 1000mm, covering commercial kitchen exhaust, HVAC, and industrial pipeline cleaning. Contact us with your project specs for a tailored recommendation.
What comes in the package?
Robot body, control box, 20m cable, remote controller, HD camera system, LED lighting, tool kit, user manual, and warranty card.
Do you offer training?
Yes. Video training and documentation included. Video training and technical support included with every purchase.
How fast can I get spare parts?
Parts ship from factory inventory within 48 hours. Express delivery available for urgent needs.

📋 Related Guides & Resources
Technical Specifications
Detailed technical specifications are available upon request. Contact our team for the current datasheet and application guidance.
Request SpecificationsApplication Scenarios
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Commercial Kitchen Exhaust
Heavy grease and oil fume duct cleaning for restaurant chains, hotel kitchens, and food processing facilities. Removes built-up deposits that pose fire hazards.
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HVAC & Central AC Ducts
Large-building air conditioning duct inspection and cleaning. Navigates long horizontal and vertical runs with full camera documentation.
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Industrial Pipelines
Factory ventilation, dust collection, and process piping systems. Handles heavy debris, metal dust, and chemical residues in demanding environments.
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Preventive Maintenance
Scheduled inspection and cleaning programs for facility management companies. Full video documentation for compliance and insurance requirements.
Product Resources
Contact us for these documents — we'll send them with your quote.