Hydrant Pit Cleaner
This vehicle integrates high-pressure cleaning, vacuum sewage extraction, compressed air blowdown, underground ventilation, and rescue capabilities, making it suitable for the maintenance and safety assurance of critical areas such as airport hydrant pits and valve pits.
- Product Introduction

Product Introduction
The CF5100TQX Hydrant Pit Cleaner is a multi-functional special-purpose vehicle developed by Shanghai Chengfei Aviation Special Equipment Co., Ltd. It is specifically designed for cleaning, sewage extraction, blowdown, hazardous gas evacuation from underground pits, and emergency rescue operations within aviation fuel supply systems. This vehicle integrates high-pressure cleaning, vacuum sewage extraction, compressed air blowdown, underground ventilation, and rescue capabilities, making it suitable for the maintenance and safety assurance of critical areas such as airport hydrant pits and valve pits.
product parameters
| Overall Dimensions (L×W×H) | 6885 × 2300 × 2550 mm | Model | CF5100TQX |
| Curb Weight | 6200 kg | Cleaning Pressure | 60 bar |
| Gross Vehicle Weight Rating | 11300 kg | Sewage Extraction Flow Rate (1-inch/2-inch) | 50 L/min / 400 L/min |
| Maximum Travel Speed | 50 km/h | Pneumatic System Working Pressure | 8.0 bar |
| Fresh Water Tank Capacity | 500 L | Hydraulic System Maximum Pressure | 110 bar |
| Recovery Tank Capacity | 5000 L | Power Supply Voltage | 24 V DC |
| High-Pressure Cleaning Flow Rate | 6 L/min | Rescue Tripod Maximum Load Capacity | 160 kg |

Operating Systems
Cleaning System: High-pressure cleaner + spray gun, supports switching between fan and jet streams.
Water Pumping System: Vacuum pump + recovery tank, enables automatic sewage suction and liquid level control.
Blowdown System: Air compressor + air gun, used for drying work surfaces.
Rescue System: Tripod + winch + fall arrest device, ensures safety for underground work.
Hydraulic System
Utilizes a dual gear pump to drive multiple devices such as the cleaner, vacuum pump, fan, and air pump simultaneously.
Features automatic pressure regulation and interlock protection.
Electrical System
24V power system, integrates PLC control, liquid level detection, reverse camera, warning lights, and other functions.
Includes safety control mechanisms such as interlock protection, emergency stop, and override switches.
Pneumatic System
Air compressor provides a stable air source for blowdown operations and pneumatic control.
Key Functions & Applications
Hydrant Pit Cleaning
Equipped with a high-pressure cleaner providing a high-pressure water jet for cleaning hydrant valves and accessories.
Valve Pit Drainage & Sewage Extraction
Utilizes a vacuum sewage extraction system to quickly remove accumulated water or waste oil from valve pits, recovering it into the storage tank.
Compressed Air Blowdown
Configured with an air compressor for blowing dry residual moisture on hydrant valve surfaces, preventing icing and corrosion.
Hazardous Gas Evacuation from Underground Pits
Fitted with an explosion-proof fan to effectively remove harmful gases from valve pits, ensuring safety for personnel working underground.
Underground Worksite Rescue
Includes a rescue tripod and manual winch system to provide emergency lifting and rescue capabilities.
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