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K20 sewer pipe inspection crawler
2026 New Edition 5 million high-definition cameras 100 meter cable configuration IP86 waterproof
Purchase Intent

Precision Municipal Inspections: Optimize DN200-DN2000 Pipeline Health with  Robotics

Guangzhou RJ-Bot Industrial Group Co., Ltd. presents the 2026 flagship iteration of the K20 Pipe Inspection Robot. Featuring a robust dual-motor 6-wheel drive (6WD) system, the new K20 offers exceptional obstacle-crossing capabilities and up to 6 hours of continuous battery life. It is engineered for precision inspection in municipal sewer networks, industrial pipelines, and rainwater drainage systems.

Complete setup of the K20 pipe inspection robot system, including the 6WD crawler, intelligent cable reel, and high-capacity power battery.

Key Technical Highlights

  • All-Terrain 6WD Power: Dual-motor driven 6-wheel system easily handles 100mm obstacles and 30° inclines.

  • 5MP Ultra-HD Dual Vision: Capture microscopic defects with a 360° PTZ front camera and dedicated rear monitoring, surpassing industry-standard 2MP systems.

  • Precision Elevating System: Supports an 80° $lift angle and up to 178mm elevation height, ensuring the lens remains centered in various pipe diameters.

  • Intelligent Control Terminal: Fully integrated with Huawei tablets, featuring one-touch auto-reset, electronic meter counting, and instant on-site report generation.

  • IP68 Industrial Protection: Stainless steel anti-collision bars and a deep-waterproof design ensure reliability in the harshest pipeline environments.

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Technical Specifications

1. Crawler Parameters

Feature

Specification

Applicable Pipe Diameter

DN200 - DN2000

Drive System

Dual-motor 6-Wheel Drive (6WD)

Camera Resolution

5MP HD (Front & Rear)

Lens View

360° Horizontal /180° Radial / One-key Reset

Obstacle Crossing

<100mm Obstacles / 30° Slope

Elevating Range

80 Angle / 178mm Height

Waterproof Rating

IP68

Lighting System

3W * 12 High-Intensity LEDs

2. Intelligent Cable Reel

Feature

Specification

Cable Length

Standard 100 meters ( 200KG Tensile Strength)

Winding Mode

Auto / Manual / Manual-Assist

Distance Measurement

High-precision Electronic Encoder

Battery Life

 60V / 15AH Lithium (approx. 6 hours operation)

Material

Aluminum Alloy & Stainless Steel

Software & Smart Control System

The K20 replaces bulky traditional control boxes with a Mobile Intelligent Terminal:

  1. Low-Latency Wireless Transmission: Real-time HD video feed via high-speed WiFi.

  2. Wheel-Size Presets: Software allows switching between 4", 6", and 10" wheel modes to automatically sync winding speed and prevent cable tangling.

  3. One-Click Report Generation: Input project info, operator names, and pipe IDs directly into the video overlay for instant documentation.

  4. Smart Controls: Integrated one-touch forward/reverse, auto-centering, and stepless dimming.

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Contact Us

Guangzhou RJ-Bot Industrial Group Co., Ltd. 

Service Hotline: +86 17898458979

Official Website: www.rj-bot.com

Applications: Municipal Pipe Inspection, Industrial Pipeline Maintenance, Water Tank Inspection.

Making pipeline inspection simpler and smarter.


Side view of the K20 crawler showing its stainless steel lifting handle, rugged 6-wheel drive system, and high-clearance chassis.

1. Q: Can the K20 handle the different pipe diameters we encounter daily, from narrow municipal lines to large industrial ducts?

A: Absolutely. The K20 is built for maximum versatility. Its modular design supports a range from DN200 to DN3000. You achieve this flexibility with three included, quick-change wheel sets (4", 6", and 10"). Simply match the wheel size to your pipe for optimal traction and clearance, making it the only robot you need for virtually any job.

2. Q: How does the system ensure accurate distance measurement and reporting for our compliance and maintenance records?

A: Accuracy is engineered into the K20. It uses an electronic encoder counter on the reel for precise distance tracking. The key is our Gear Matching System: you select a software setting (Gear 1, 2, or 3) that corresponds to your physical wheel size. This ensures the software calculates distance correctly. All critical data—like project ID, pipe material, diameter, and location—can be overlaid directly onto the video feed, creating instant, tamper-proof records ready for audits and reports.

3. Q: Is the robot durable enough for harsh environments like flooded sewers or dusty industrial pipes?

A: Yes, the K20 is built to endure tough conditions. The main crawler unit has an IP68 waterproof rating, meaning it is fully submersible and dust-tight. It operates reliably in temperatures from -20°C to 50°C. The stainless steel bumper and chassis protect against impacts. While the crawler can be rinsed, the splash-proof reel cart is designed for rugged, wet job sites.

4. Q: How long can it operate on a single charge for a full day of inspections without frequent interruptions?

A: The high-capacity 60V 15AH lithium-ion battery provides up to 6 hours of continuous operation on a full charge. Combined with the standard 100-meter cable, this typically allows for a full, productive day of inspections without needing to stop for recharging, maximizing your team's efficiency in the field.

5. Q: Does the system simplify report generation by embedding inspection data directly into the video?

A: Yes, it transforms reporting. Before you start recording, you input all project details (inspector, location, pipe specs) into the tablet. During inspection, this data is burned directly into the video in real-time. This means the video file itself is a complete report—no separate note-taking or post-processing is needed to match data to footage, saving you significant time and minimizing errors.

6. Q: What happens if the robot gets stuck or loses signal deep inside a pipeline? Is retrieval safe and easy?

A: Safety is a priority. If connection is lost, do not pull the cable. The reel cart is equipped with a manual retrieval handle. Simply use this handle to steadily wind the cable back, safely retrieving the robot. This fail-safe mechanism protects your valuable equipment from damage and ensures a safe recovery in any situation.

7. Q: Is the control system intuitive enough for our team to operate with minimal training?

A: Definitely. The system is centered around a familiar 10.4-inch Android touchscreen. The interface is clean and intuitive, with on-screen sliders for speed/lighting and clear buttons for movement, camera control, and recording. Most operators become proficient after a very short orientation, allowing your team to focus on the inspection, not complex controls.

8. Q: What kind of after-sales support and warranty do you offer to ensure long-term reliability?

A: We stand behind the K20 with a strong warranty and dedicated support. The product comes with a standard warranty covering parts and workmanship. More importantly, we provide direct technical support, access to documentation and software updates, and a supply of genuine spare parts. We are committed to being your partner, ensuring your K20 remains a reliable asset for years to come.