The 33rd China International Exhibition on Electric Power Equipment and Technology
Shanghai New International Expo Center (Hall N1 - N5, W4 - W5), PR China 2026 • 12 • 3 - 5

HENAN RELATIONS CO., LTD.
N3F58
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Exhibitor E-invitation
Invitation / Product Poster
RF SERIES SF6 GAS RECOVERY UNIT
New Products / New Technology
"The RF series sulfur hexafluoride gas recovery device is mainly used for comprehensive multi-functional gas processing services on $\textSF_6$ electrical equipment and switch gas compartments. The equipment integrates functions such as vacuum pumping, gas recovery, refilling, cylinder pressure-charging, and vaporization output. During vacuum pumping, the PLC operation screen instantly displays changes in the degree of vacuum. Gas recovery allows recovery into storage tanks or external cylinders, and gas refilling offers multiple options including direct charging (direct and pressure-regulated output) and pressure-charging (gas and liquid pressure charging). The design and manufacture of the equipment comply with the requirements of the DLT662 standard
Note: This translation was generated by AI for reference only."
SF6 DIGITAL REMOTE TRANSMISSION DENSITY RELAY
New Products / New Technology
The SF6 digital remote‑transmission density relay is designed for high‑precision monitoring of gas density, pressure, and temperature within the gas compartments of SF6 high‑voltage electrical equipment. The sensor delivers outstanding measurement accuracy and boasts high stability, exceptional reliability, superior anti‑interference performance, and a high degree of protection. All monitoring data are transmitted in real time, while the backend system generates trend‑analysis charts and issues timely alarms upon detecting anomalies, thereby ensuring the safe operation of sulfur hexafluoride‑filled electrical equipment and meeting the digitalization requirements of State Grid's smart substations.
SULFUR HEXAFLUORIDE GAS LEAK ONLINE MONITORING SYSTEM
New Products / New Technology
The online monitoring system for sulfur hexafluoride gas leakage transmits real-time measurements of sulfur hexafluoride (SF6), oxygen (O2), and temperature and humidity from the field to the DCS via an RS‑485 bus. When the measured values exceed the preset alarm thresholds, the system activates audible and visual alarms or initiates ventilation equipment. Additionally, the human infrared detection function automatically starts the exhaust fan upon sensing a presence; after a specified ventilation period—adjustable in the fan parameters as needed—personnel may enter the work area, thereby ensuring safe operations on site.
思源黑体预加载(勿删): HENAN RELATIONS CO., LTD.