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Home / All / PRODUCT NEWS / Strength Meets Precision — Gruvmaster 219-630 Heavy-Duty Roll Grooving Machine (Upgraded from RG-4X)

Strength Meets Precision — Gruvmaster 219-630 Heavy-Duty Roll Grooving Machine (Upgraded from RG-4X)

Nov 15,2025
The Gruvmaster 219-630 Heavy-Duty Roll Grooving Machine marks a new chapter in large-diameter pipe grooving technology.
Developed as an upgraded successor to the RG-4X, this new model introduces enhanced structure, greater stability, and improved load capacity — engineered to meet the rigorous demands of heavy industrial fabrication and construction sites.
Enhanced Design for Maximum Stability
Built upon the trusted RG-4X platform, the 219-630 features a reinforced, weight-optimized frame for higher rigidity under heavy-duty use.
The support stand has been widened and thickened, offering superior stability and smoother operation during extended work cycles.
Its enlarged positioning wheel ensures precise pipe alignment, while the newly added storage compartment provides convenient space for essential tools and fittings.
Reliable Performance for Every Operation
Equipped with a high-efficiency hydraulic system and a fine-tuned mechanical layout, the 219-630 ensures smooth pressure control and consistent groove formation even on large-diameter steel pipes.
It is ideal for professional applications in industrial piping, fire protection systems, and fabrication workshops, delivering lasting reliability and accuracy.
Demonstrated Performance
Experience the 219-630 in action — see how its upgraded hydraulic system and solid structure deliver powerful, precise, and stable grooving results.
Conclusion
As Gruvmaster’s newest heavy-duty model, the 219-630 exemplifies our ongoing pursuit of innovation and quality — combining power, precision, and practical design to redefine heavy-duty grooving performance.
Gruvmaster — Your One-Stop Partner for Pipe Grooving Solutions.
This newly upgraded model, based on the RG-4X, is about to be officially launched.
Stay tuned and follow Gruvmaster and Welping for release updates and more product information.

About Welping Machinery

Founded with a youthful spirit and a commitment to excellence, Welping Machinery stands as a leading manufacturer of piping tools. Our dedicated team values each customer's experience and strives for mutual growth through unwavering dedication to product quality, service excellence, and continuous innovation.

Welping's butt welding machines offer significant advantages across various industries:

  • Pipeline Manufacturing Companies: Our machines seamlessly connect plastic pipes, meeting the rigorous demands of pipeline manufacturing.

  • Construction Companies: Welping's equipment ensures the safe and reliable installation of pipelines, bolstering the integrity of building systems.

  • Municipal Engineering Companies:Welping provides efficient solutions for installing and repairing underground city pipelines, vital for urban infrastructure.

  • Agricultural Irrigation Companies: Our machinery facilitates the installation and maintenance of pipeline networks, optimizing efficiency in agricultural irrigation.

  • Oil and Gas Transmission Companies:Welping's butt welding machines uphold the integrity and safety of pipeline systems critical for oil and gas transmission.

  • Power and Telecommunication Companies:We offer solutions for the installation and protection of cables, safeguarding infrastructure in these essential sectors.

  • Export Trading Firms: Welping Machinery caters to export trading firms, providing tailored solutions to meet diverse regional market demands.

Reach Out

For invaluable industry insights and collaborative opportunities, connect with the Welping team today. Let's embark on a journey of innovation and excellence together.