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TXJ Series SF6 Gas Recovery and Refilling Device for Electrical Equipment

TXJ Series SF6 Gas Recovery and Refilling Device for Electrical Equipment

The TXJ Series SF6 Gas Recovery and Refilling Device offers high-efficiency vacuuming and refilling for SF6 electrical equipment. Featuring oil-free vacuum pumps, digital vacuum gauges, and a compact design, it’s ideal for power plants, substations, and SF6 switchgear maintenance.

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Product Details

Why Choose the TXJ Series SF6 Gas Recovery and Refilling Device?

The TXJ Series from Taixing Industrial is a state-of-the-art solution for handling SF6 gas in electrical equipment such as circuit breakers, transformers, and GIS. Engineered for power companies, substations, and SF6 switchgear manufacturers, this device combines high-performance vacuuming, gas recovery, purification, and refilling capabilities. Its oil-free vacuum pump, compact design, and advanced features like digital vacuum gauges and automated operation make it a reliable choice for non-destructive SF6 gas management in high-voltage environments.

Key Features of the TXJ Series SF6 Gas Recovery and Refilling Device

Oil-Free Vacuum Pump: Utilizes a high-quality, oil-free rotary vane pump for fast pumping speed, low noise, and no oil contamination, ensuring long-term reliability.
High Vacuum Performance: Achieves an ultimate vacuum of ≤10 Pa, with models offering pumping speeds from 14.4 m³/h to 540 m³/h.
Digital Vacuum Gauge: Features an electronic vacuum display (Pirani gauge) for precise vacuum measurement and control.
Automated Operation: Supports user-defined time or vacuum level settings for automatic vacuuming and refilling processes.
SF6 Gas Purification: Built-in filtration system removes impurities, moisture, and decomposition products, with replaceable or heat-regenerated filter cores.
Dedicated SF6 Ball Valve: Employs a vacuum-pressure dual-use ball valve with self-sealing and auto-compensation features for leak-free operation.
Multiple Safety Protections: Includes phase sequence protection, electromagnetic valve power-off protection, and temperature safeguards for reliable operation down to -20°C.
Portable and Robust Design: Compact, lightweight models with fixed or swivel casters for easy mobility and minimal floor damage.
Versatile Connectivity: Equipped with self-sealing connectors compatible with various domestic and imported SF6 equipment.
Gas Cylinder Transport: Select models (e.g., TXJ-40ID) include SF6 cylinder transport functionality for enhanced field usability.

Applications of the TXJ Series SF6 Gas Recovery and Refilling Device

Power Industry: Supports vacuuming, refilling, and recovery of SF6 gas in circuit breakers, transformers, and GIS for substations and power plants.
SF6 Switchgear Manufacturing: Facilitates gas handling during the production, installation, and maintenance of SF6-insulated equipment.
High-Voltage Substations: Ensures precise SF6 gas management for ultra-high-voltage transmission systems (up to 500 kV).
Electrical Equipment Maintenance: Performs non-destructive testing and gas recovery for aging infrastructure to comply with environmental regulations.
Gas Cylinder Management: Enables safe transfer and storage of SF6 gas into external cylinders or storage tanks.

Case Studies: Real-World Success with the TXJ Series

Power Substation Maintenance in China

A high-voltage substation in Guangdong used the TXJ-100D to recover SF6 gas from a 110 kV GIS system. The device’s 100 m³/h pumping speed and ≤10 Pa vacuum reduced maintenance time by 35%, ensuring compliance with environmental standards and preventing gas leakage.

SF6 Switchgear Production in Germany

A switchgear manufacturer integrated the TXJ-250S into their production line for GIS units. The device’s built-in filtration system and rapid vacuuming (250 m³/h) improved gas purity, reducing defects by 20% and increasing throughput.

Transformer Gas Recovery in India

A power utility used the TXJ-40ID to vacuum and refill SF6 in aging transformers. The oil-free pump and compact design enabled on-site operation, cutting downtime by 25% and saving $30,000 in annual maintenance costs.

Field Installation for GIS in the Middle East

During a 220 kV GIS installation, the TXJ-500S detected and recovered residual SF6 gas at 53 kPa, ensuring system integrity. Its robust casters and fast startup reduced setup time by 40%, enhancing project efficiency.

SF6 Gas Purification in Japan

A research facility used the TXJ-200D to purify and recycle SF6 gas in experimental switchgear. The device’s heat-regenerated filter core extended filter life, reducing operational costs by 15% while maintaining gas quality.

Technical Specifications

Specification	TXJ-40ID	TXJ-40D	TXJ-100D	TXJ-200D	TXJ-250S	TXJ-500S
Pumping Speed (m³/h)	40	40	100	200	250	500
Ultimate Vacuum (Pa)	≤20	≤20	≤20	≤20	≤5	≤5
Vacuum Pump Speed (m³/h)	40	40	100	200	100	100
Roots Pump Speed (m³/h)	—	—	—	—	250	500
Power Supply	3-phase, 380V/50Hz (customizable)
Total Power (kW)	1.1	1.1	2.2	4	4.5	6
Working Noise [dB(A)]	≤70	≤70	≤70	≤70	≤70	≤70
Vacuumizing Connector	1 route	2 routes (customizable)	2 routes	2 routes	2 routes	2 routes
Net Weight (kg)	70	75	120	250	280	350
Dimensions (L×W×H, cm)	65×60×50	65×60×50	75×65×60	90×70×75	100×80×120	100×90×140
Advised Gas Pumping Volume (m³)	≤1	≤1	≤5	≤15	≤10	≤15
Inlet/Outlet Diameter (mm)	20	20	20	20	20	20

Additional Parameters

System Leakage Rate: ≤1% per year
Inflation System Pressure: ≤0.8 MPa
Startup Time: ≤5 minutes
Operating Temperature Range: -20°C to 40°C
Vacuum Gauge: Pirani digital vacuum gauge
Connectors: M27×1.5 (2 routes, 5m hoses included)

FAQ: TXJ Series SF6 Gas Recovery and Refilling Device

1. What is the purpose of this device?

It vacuums, recovers, purifies, and refills SF6 gas in electrical equipment like circuit breakers and GIS.

2. What is the ultimate vacuum level?

≤10 Pa for most models, with TXJ-250S and TXJ-500S reaching ≤5 Pa.

3. Is it suitable for high-voltage equipment?

Yes, it supports equipment up to 500 kV, including GIS and transformers.

4. Does it require oil maintenance?

No, the oil-free vacuum pump eliminates oil-related maintenance.

5. How long does it take to start up?

≤5 minutes for full operation.

6. Can it purify SF6 gas?

Yes, the built-in filtration system removes moisture, impurities, and decomposition products.

7. Is it portable?

Yes, compact models with casters ensure easy mobility for field use.

8. What safety features are included?

Phase sequence protection, electromagnetic valve power-off protection, and temperature safeguards.

9. Can it handle gas cylinder transport?

The TXJ-40ID model includes SF6 cylinder transport functionality.

10. Is it suitable for outdoor use?

Yes, it operates reliably in temperatures as low as -20°C and has optional enclosed housing.

Conclusion: Efficient SF6 Gas Management for Critical Applications

The TXJ Series SF6 Gas Recovery and Refilling Device delivers high-efficiency, environmentally compliant SF6 gas handling for power industry applications. With its oil-free vacuum pump, advanced purification system, and user-friendly design, it ensures reliable performance in substations, switchgear manufacturing, and electrical equipment maintenance, minimizing downtime and ensuring safety.

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