News

The RG-2M by Gruvmaster is a portable combination roll groover designed for 1"–6" pipe sizes. Featuring a compact structure and a new red-black appearance, it is suitable for on-site installation, maintenance, and renovation work. Photos show the current configuration and toolbox layout.

The RG-1X roll groover covers 1"–8" pipe sizes with a compact, integrated structure and stable hydraulic feeding. It suits both workshop and on-site use. Our factory is currently producing a batch of RG-1X units, reflecting strong demand and consistent manufacturing capability.

Gruvmaster roll groovers enter final assembly for overseas delivery. Coordinated production lines and full inspection ensure consistent quality and reliable supply for global customers.

The new Gruvmaster 219-630 is an upgraded heavy-duty roll grooving machine based on RG-4X, featuring a reinforced frame, larger supports, and enhanced precision.
Coming soon to market — stay tuned with Gruvmaster and Welping for updates.

Gruvmaster’s modern production line ensures consistent quality and precision in every roll grooving machine.
From assembly to testing, each unit is built with care and reliability, delivering powerful performance and meeting global demand efficiently.

Welping PTC140 desktop pipe cutting machine features a compact all-aluminum body and a 350 RPM high-speed motor, ideal for thin-walled steel, copper, aluminum, and PVC pipes. Portable, durable, and easy to operate for professional workshops.

Gruvmaster’s patented TitanSeal™ dual-seal system and One-Push™ fast-feeding technology redefine hydraulic reliability and efficiency in roll grooving. Both innovations, featured on the RG-8X flagship model, ensure leak-free, consistent, and high-performance operation for professionals.

The Gruvmaster AG-2X automatic roll grooving machine combines powerful performance and smart control for 2"–12" pipes, delivering efficient, precise, and safe grooving for both workshop and on-site use.

Welping showcased its 2025 innovations at the 138th Canton Fair, featuring the FX Series butt fusion machines and Gruv-X roll grooving machines. The exhibition offered new connections and global exposure, reinforcing Welping’s commitment to professional, efficient, and reliable pipe-welding solutions.

The Gruvmaster Gruv-X AG-8Z Automatic Roll Grooving Machine features a 1500 W motor, automatic depth control, and interlocking rollers, delivering precise and consistent grooves on 2″–12″ steel pipes for fire protection, HVAC, and industrial piping systems.

Nearly 200 RG-1M and RG-2M manual roll grooving machines, customized for OEM color and configuration, are ready for shipment to the U.S.

The Gruvmaster RG-1 Series now includes four compact hydraulic roll grooving machines — RG-1A, RG-1B, RG-1C, and RG-1X — covering 1"–8" pipe sizes. The new RG-1B features a lift-assist frame and built-in toolbox, enhancing stability and convenience. Together, the RG-1 lineup delivers precision, durability, and efficiency for diverse pipe grooving needs in construction and fabrication.

The RG-8X flagship hydraulic roll grooving machine is built for heavy-duty pipe work. Featuring a leak-free system, high-speed efficiency, and precision anti-flare design, it meets international standards while ensuring safety and ease of use.

Gruvmaster introduces its new TiAlN (Titanium Aluminum Nitride)-coated roll sets, offering rust-free, oil-free, and 2–3× higher wear resistance. Now standard on the flagship RG-8X, they deliver smoother, more precise, and longer-lasting professional grooving performance.

Gruvmaster’s top roll grooving machines—RG-5X, RG-2M, and RG-1X—deliver reliable solutions for contractors. From powerful hydraulic roll groovers to portable manual pipe roll groovers, they ensure efficiency, precision, and durability in every piping project.

The foot pedal, also called a safety switch, is a key feature in roll grooving machines. It enables emergency stop, hands-free operation, better efficiency, less fatigue, and precise control. Gruvmaster equips multiple models with this feature for safer, more reliable work.

A roll grooving machine creates precise grooves on pipe ends for mechanical connections. Compact, safe, and efficient, it is widely used for steel piping in fire protection, HVAC, and industrial systems.

Accurate groove depth ensures safe, durable pipe joints. Gruvmaster RG series roll groovers feature a depth lock knob and hydraulic feed system, delivering consistent results that meet AWWA, FM, and UL standards for reliable pipeline solutions.

The Gruvmaster RG-5A roll grooving machine delivers precise, consistent grooves for fire protection, HVAC, and industrial piping. Compact yet powerful, this roll groover ensures reliable joints, efficient operation, and long-term durability, making it the trusted choice among professional pipe groovers.

Welping participated in the EcwaTech exhibition in Moscow, connecting with global partners and showcasing our welding solutions. Highlights included the FX250 butt fusion machine, single-size clamp inserts, HDPE fittings, WP315Q automatic butt fusion machine, and extrusion welder. The event strengthened both business cooperation and personal friendships, marking an important milestone in Welping’s international journey.

Discover why contractors trust the Gruvmaster roll grooving machine. Our video shows how a pipe roll groover delivers faster installation, safer worksites, and reliable joints. Built for fire protection, HVAC, and industrial piping, Gruvmaster pipe groovers combine precision with durability, making them the smart choice for every project.

The Gruvmaster RG-2S roll grooving machine is a compact, efficient, and reliable solution for small to medium pipe sizes up to 6″. Designed for fire protection, HVAC, and light industrial projects, this roll groover combines portability with consistent performance. With Gruvmaster’s focus on precision and durability, the pipe roll groover delivers clean, accurate grooves that ensure safe and reliable pipe connections.

A roll grooving machine makes pipe connections faster, safer, and easier to maintain. What many don’t know is that groove quality must meet AWWA C606, FM, and UL standards. Choosing a high-quality roll groover ensures long-term system reliability.

The PTC140 pipe cutting machine and RG-2T roll grooving machine provide a fast, precise, and reliable solution for aluminum pipe projects. From clean cutting to standardized grooving, this powerful combination ensures smooth workflow, strong connections, and higher efficiency for HVAC, firefighting, and industrial applications.

Grooved connections offer a smarter alternative — one that saves time, reduces risks, and keeps budgets on track.

We’re thankful for the peaceful connections that make global business possible, and we continue to dedicate ourselves to fostering honest, open partnerships across borders.

Through scientifically informed methods and purpose-built equipment, flaring can be kept within standardized tolerances. Gruvmaster’s research into metal forming mechanisms has led to optimized machine designs and operational parameters, guaranteeing reliable groove quality, faster installation, and less rework.

Gruvmaster specializes in the design and production of roll grooving machines and pipe cutting machines, serving a wide range of industries such as fire protection, plumbing, HVAC, natural gas, and industrial piping.