RMU Production Line, Ring Main Unit Assembly Line
High-Efficiency Automated RMU Production Line – Turnkey Manufacturing Solution for SF6 & GIS Switchgear Accelerate your switchgear manufacturing with our integrated RMU production line. Featuring robot laser welding, helium leak detection, and full automated testing to ensure 100% reliability and zero-leakage performance for 12-24kV Ring Main Units.
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RMU line Overview
With the continuous optimization of power systems and rapid development of smart grids, user demands for shorter delivery cycles and higher quality of switchgear equipment are increasing. To enhance market competitiveness in the switchgear industry, high-volume production has become imperative3. Production line manufacturing significantly improves efficiency, stabilizes product quality, optimizes labor conditions, reduces floor space, lowers costs, shortens cycles, and ensures production balance, yielding substantial economic benefits4.
As gas-insulated switchgear (GIS) is a core product, a standardized GIS assembly line is essential to ensure quality and boost productivity. The line integrates sequential semi-automated processes: meter room assembly, g
“Engineered for Reliability. Built for Performance.” Our automated RMU production line provides a complete turnkey solution for global switchgear manufacturers.
By integrating high-precision robot welding with rigorous helium leak detection, we help you reduce cycle time by 40% while ensuring zero-leakage consistency in mass production.
✅ High-Precision Robotic Welding (F/A/B)
Feature: Integrates robot stud welding and gas tank laser welding.
Advantage: Achieves micron-level precision and deep penetration without thermal distortion.
Benefit: Ensures structural integrity and long-term durability of the RMU gas tank.
✅ Dual-Stage Leakage Assurance (F/A/E)
Feature: Built-in Helium Leak Detecting Device.
Advantage: Detects micro-leaks that standard pressure tests miss.
✅ Smart Automated Workflow (F/B)
Feature: Full-line integration from UV printing to final test devices.
Benefit: Minimizes human error and scales production capacity without increasing labor costs.
✅ Comprehensive Testing Suite (F/E)
Feature: End-to-end "Full Test Device" integration.
Evidence: 100% pass-rate verification before the product leaves the line.
To ensure peak efficiency, our line follows a 7-step synchronized workflow:
UV Printer: High-resolution marking for durable component tracking.
Helium Leak Detecting: Automated vacuum chamber for ultra-precise gas tightness verification.
Full Test Device: Final electrical and functional diagnostics.
Gas Tank Line: Optimized raw material feed and preparation.
Laser Welding: Clean, high-speed automated welding for gas tanks.
Tank Assemble Welding: Seamless integration of tank components.
Robot Stud Welding: High-strength attachment for internal/external mounting.
This solution is specifically designed for:
Switchgear Manufacturers looking to upgrade from manual to automated GIS/RMU assembly.
Power Grid Contractors requiring high-consistency equipment for 12kV, 24kV, and 36kV networks.
OEM/ODM Factories aiming to scale production while maintaining strict European/IEC quality standards.
Turnkey Implementation: From factory layout design to installation and training.
Global Support: Remote diagnostics and on-site maintenance within 48-72 hours.
Compliance: Fully compliant with ISO 9001 and IEC manufacturing standards.
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