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  • Exhibition News | Gruvmaster Pipe Tools at the 140th Canton Fair
    Exhibition News | Gruvmaster Pipe Tools at the 140th Canton Fair
    Welping will present the latest Gruvmaster pipe-tool products at the 140th Canton Fair in Guangzhou, including the new Gruv-Max heavy-duty roll groover, compact Gruv-One manual roll groover, upgraded AG-8Z, and the newly updated 2026–2027 Pipe Tools Catalogue.
    Sep 23,2026
  • New Product Launch | Gruv-Max Heavy-Duty Roll Grooving Machines for Pipes Up to 60" and 20 mm Wall Thickness
    New Product Launch | Gruv-Max Heavy-Duty Roll Grooving Machines for Pipes Up to 60" and 20 mm Wall Thickness
    Gruvmaster has launched the new Gruv-Max heavy-duty roll grooving machine series, including GX24 and GX60. Designed for large-diameter and thick-wall steel pipe, the series covers pipe sizes from 8" to 60" with wall thicknesses up to 20 mm. OGS and AGS groove roll options are available for different piping applications.
    Sep 17,2026
  • Overseas Customer Visits Gruvmaster to Explore the AG-8Z Automatic Roll Grooving Machine
    Overseas Customer Visits Gruvmaster to Explore the AG-8Z Automatic Roll Grooving Machine
    An overseas customer recently visited the Gruvmaster factory to take a closer look at the AG-8Z Automatic Roll Grooving Machine. During the visit, the customer inspected the machine structure, operating controls, hydraulic system, and roller setup, and also discussed practical pipe grooving applications with our team.
    Sep 15,2026
  • Why Does the RG-4X Pro Use Larger Groove Rollers?
    Why Does the RG-4X Pro Use Larger Groove Rollers?
    The RG-4X Pro uses larger groove rollers than the standard RG-4X to improve forming stability during large-diameter pipe grooving. The upgraded roller design helps achieve more consistent groove quality and better control of pipe-end flare.
    Aug 31,2026
  • How Durable Is a Pipe Cutting Blade? A Real Steel Pipe Test
    How Durable Is a Pipe Cutting Blade? A Real Steel Pipe Test
    This article introduces the upgraded pipe cutting blades for Gruvmaster CM Series machines, including their applications, durability, maximum cutting wall thickness, and custom blade options. A real steel pipe impact test is also included to demonstrate cutting-edge strength and blade durability.
    Aug 24,2026
  • How to Cut Accurate Holes on Steel Pipes? | HC-1X Electric Pipe Hole Cutter in Action
    How to Cut Accurate Holes on Steel Pipes? | HC-1X Electric Pipe Hole Cutter in Action
    Discover how the Gruvmaster HC-1X Electric Pipe Hole Cutter makes steel pipe hole cutting faster, more stable and more accurate. This article demonstrates the complete pipe hole cutting process and explains how a professional pipe hole cutter improves efficiency in fire protection, HVAC and industrial piping applications.
    Aug 14,2026
  • Can an Uneven Pipe End Still Be Grooved? An AG-4X Large-Diameter Pipe Test
    Can an Uneven Pipe End Still Be Grooved? An AG-4X Large-Diameter Pipe Test
    This article records an AG-4X grooving test on a large-diameter steel pipe with an uneven end. Despite visible movement during rotation, the machine completed a continuous groove, showing how pipe condition, alignment and feed control affect groove quality.
    Aug 3,2026
  • Better Blades, Better Hydraulics: Continuous Improvements to Gruvmaster Pipe Cutting Machines
    Better Blades, Better Hydraulics: Continuous Improvements to Gruvmaster Pipe Cutting Machines
    Gruvmaster continues to improve its pipe cutting machines through blade testing, hydraulic system upgrades and long-term customer feedback. The current blade system includes one standard blade for carbon steel and stainless steel pipes, plus a dedicated blade for ductile iron. A separate, fully sealed hydraulic pump structure further improves sealing reliability, reduces contamination and lowers maintenance requirements.
    Jul 21,2026
  • Stable Clamping, Controlled Cutting: HC-2X Units Under Factory Testing
    Stable Clamping, Controlled Cutting: HC-2X Units Under Factory Testing
    A new batch of Gruvmaster HC-2X pipe hole cutting machines has completed assembly and practical factory testing. Designed for branch connection work in fire protection, HVAC and industrial piping systems, the HC-2X combines secure chain clamping, low-speed high-torque cutting, guided mechanical feed and flexible operation from either side. The result is a more stable and controlled way to prepare steel pipes for mechanical tees and other branch fittings.
    Jul 14,2026
  • How Interlocking Roll Sets Improve Groove Accuracy
    How Interlocking Roll Sets Improve Groove Accuracy
    The interlocking structure between the groove roller and drive roller plays an important role in roll grooving accuracy. It helps keep the rollers working together more steadily, supports better sealing surface control, and improves groove consistency during operation. This article explains how interlocking roll sets affect groove quality and why roller design, hydraulic stability, and pipe support should be considered together when selecting a roll grooving machine.
    Jun 30,2026
  • New Product Preview|Gruvmaster 12–200mm Compact Pipe Cutting Machine Under Development
    New Product Preview|Gruvmaster 12–200mm Compact Pipe Cutting Machine Under Development
    Gruvmaster is developing a new compact pipe cutting machine for 12–200mm pipes, a size range that is not commonly covered by professional pipe cutting machines on the market. Designed for installation, maintenance, MEP work, and small pipe prefabrication, this new model focuses on compact structure, stable clamping, and smoother cutting operation.
    Jun 23,2026
  • RG-4X Pro: Upgraded Heavy-Duty Structure for Large-Diameter Pipe Grooving
    RG-4X Pro: Upgraded Heavy-Duty Structure for Large-Diameter Pipe Grooving
    RG-4X Pro is a heavy-duty roll grooving machine designed for 8"–24" large-diameter steel pipe applications. With a new frame-type base, storage cabinet, reinforced pipe stand, Pro pipe stabilizer, and interlocking roll set design, RG-4X Pro provides improved stability, pipe support, and practical operation for large fire protection pipelines, industrial piping, workshop prefabrication, and job site use.
    Jun 12,2026
  • AG-8Z Automatic Roll Grooving Machine: Stable Setup for Long Pipe Grooving
    AG-8Z Automatic Roll Grooving Machine: Stable Setup for Long Pipe Grooving
    Stable pipe support is important when grooving long pipes. This article shows how AG-8Z uses interlocked rollers, an auxiliary stabilizing roller, and a pipe support stand to help reduce pipe wandering and keep the grooving process more stable in workshop and jobsite use.
    Jun 2,2026
  • AG-8Z-Based Arc Groove Forming Solution: Showcasing Our Custom Roll Grooving Capability
    AG-8Z-Based Arc Groove Forming Solution: Showcasing Our Custom Roll Grooving Capability
    This project is based on a customized AG-8Z automatic roll grooving machine for arc groove forming on metal pipe fittings. By combining a mature machine platform with targeted component adjustment, we provided a practical solution for a non-standard groove requirement and demonstrated our flexible customization capability in roll grooving equipment.
    May 29,2026
  • AG-8Z Automatic Roll Grooving Machine: Stable Grooving Starts with Gruv-X Hydraulic Technology
    AG-8Z Automatic Roll Grooving Machine: Stable Grooving Starts with Gruv-X Hydraulic Technology
    AG-8Z automatic roll grooving machine is designed for heavy-duty steel pipe grooving work. With Gruv-X hydraulic technology, one-push feeding, wireless remote control, and a heavy-duty roller structure, it supports stable operation and clean groove formation for workshop, jobsite, and pipe fabrication applications.
    May 26,2026
  • Why a Sealed Split Hydraulic System Matters in Pipe Cutting and Grooving Tools
    Why a Sealed Split Hydraulic System Matters in Pipe Cutting and Grooving Tools
    A sealed split hydraulic system can help pipe cutting and roll grooving machines work more smoothly in dusty and demanding jobsite conditions. By reducing the risk of hydraulic oil contamination, it supports more stable blade feeding, roller pressing, and long-term machine performance. This article explains why hydraulic system design matters for users who need reliable pipe tools for regular workshop or site work.
    May 22,2026
  • RG-2T Outward Groove Forming Process: How Is a Convex Groove Formed on Metal Pipe?
    RG-2T Outward Groove Forming Process: How Is a Convex Groove Formed on Metal Pipe?
    This article explains the outward groove forming process with RG-2T. An outward groove is not cut from the pipe but formed by rolling pressure. The article introduces how the groove is created, how RG-2T works during operation, and which machine features support stable groove forming.
    May 18,2026
  • CM-20 Pipe Cutting Machine Factory Test: Cold Cutting for 8"–20" Steel Pipes
    CM-20 Pipe Cutting Machine Factory Test: Cold Cutting for 8"–20" Steel Pipes
    CM-20 pipe cutting machine is designed for cold cutting 8"–20" steel and galvanized pipes. This article shows its factory cutting test, clean no-spark cutting performance, upgraded blade, 13 mm wall thickness capacity, separate hydraulic system, and easy mobility for workshop and job site pipe cutting.
    May 6,2026
  • How RG-2X Achieves Stable Grooving in Medium to Large Diameter Steel Pipes
    How RG-2X Achieves Stable Grooving in Medium to Large Diameter Steel Pipes
    The RG-2X roll grooving machine is designed for 2"–12" steel pipes, focusing on stable operation and practical usability. With support for SCH40 pipes up to 10 mm thickness and a fully sealed hydraulic system, it is suitable for fire protection, construction, and general piping applications. The machine provides a reliable solution for medium to large diameter pipe grooving.
    Apr 23,2026
  • Groove Quality in Practice: RG-4X Pro on Steel Pipes
    Groove Quality in Practice: RG-4X Pro on Steel Pipes
    The RG-4X Pro demonstrates stable and consistent performance in steel pipe grooving. With a redesigned frame, upgraded rollers, reinforced pipe support, and improved positioning, it ensures uniform groove profiles and controlled edge shaping. The results show that structural stability plays a key role in maintaining grooving quality, especially under heavy-duty working conditions.
    Apr 15,2026
  • Overview of Pipe Support Solutions: Straps, Hangers, and Riser Clamps
    Overview of Pipe Support Solutions: Straps, Hangers, and Riser Clamps
    A complete range of pipe support solutions is introduced, including pipe straps, hangers, and riser clamps. Each type serves different installation needs, from light-duty fixing to heavy-duty suspension and vertical support. This overview helps users understand product applications and selection logic for more efficient and reliable piping installations.
    Apr 9,2026
  • 20Mn Steel Pipe Grooving Test: From “Can’t Groove” to 2 Minutes per Joint
    20Mn Steel Pipe Grooving Test: From “Can’t Groove” to 2 Minutes per Joint
    A domestic steel pipe manufacturer tested grooving performance on 20Mn high-strength steel pipes (16", 10 mm wall) at our workshop. While a standard machine (AG-8Z) could complete the job in about 8 minutes, the heavy-duty AG-4X reduced processing time to around 2 minutes with smoother and more stable results. The test clearly showed the importance of matching equipment to working conditions.
    Apr 2,2026
  • Gruvmaster Upgraded Pipe Cutting Blade: Consistent Performance Over Time
    Gruvmaster Upgraded Pipe Cutting Blade: Consistent Performance Over Time
    The Gruvmaster upgraded pipe cutting blade is designed to maintain stable performance over time. Compared with standard blades that dull quickly, it delivers consistent cutting results even after multiple operations. Suitable for steel and galvanized pipes, it helps reduce blade replacement frequency, improve workflow continuity, and achieve better cost efficiency in daily pipe cutting applications.
    Mar 27,2026
  • From Cutting to Installation: A Small Part That Holds Everything in Place
    From Cutting to Installation: A Small Part That Holds Everything in Place
    Pipe clamps and hangers may seem simple, but they play a key role in maintaining the stability of grooved piping systems. Proper support helps prevent pipe movement, uneven stress on couplings, and long-term performance issues. As part of the Gruvmaster workflow, pipe support is not an accessory, but an essential step that ensures the system remains reliable after installation.
    Mar 23,2026
  • Why a Bench Pipe Vise Is Often Preferred in Workshop Pipe Processing
    Why a Bench Pipe Vise Is Often Preferred in Workshop Pipe Processing
    A bench pipe vise provides stable pipe clamping for workshop pipe processing tasks such as threading, cutting, and grooving preparation. The VH402 bench chain vise is designed for pipes from 1/8" to 6", featuring a durable cast iron body and chain vise clamping system. Mounted on a workbench, it offers reliable support for repetitive pipe fabrication and maintenance work.
    Mar 20,2026
  • VH401 Tri-stand Pipe Vise for Job Site Pipe Processing
    VH401 Tri-stand Pipe Vise for Job Site Pipe Processing
    The VH401 tri-stand pipe vise is designed for pipe threading, cutting, and grooving preparation on job sites. Supporting pipes from 1/8" to 6", it features a stable three-leg stand, chain vise clamping system, serrated jaws, and a foldable design for easy transport. The VH401 provides reliable pipe support for field pipe installation and processing work.
    Mar 16,2026
  • Why a Pipe Stand Matters on Pipe Processing Job Sites
    Why a Pipe Stand Matters on Pipe Processing Job Sites
    A pipe stand plays an important role in pipe processing by providing stable support during threading, cutting, and grooving operations. The VH401 pipe stand supports pipes from 1/8" to 6", featuring a tristand structure, chain vise clamping system, and foldable design for easy transport. With a load capacity of 600 kg, it offers reliable pipe support for job site work.
    Mar 10,2026
  • Grooving 8"–24" Pipes: Why Structure Matters More Than Power
    Grooving 8"–24" Pipes: Why Structure Matters More Than Power
    Selecting a roll grooving machine for 8"–24" steel pipes requires more than sufficient power. Structural stability, hydraulic consistency, and repeatable groove control become critical at larger diameters. The RG-4X is designed specifically for this range, offering a heavy-duty workshop solution with a split hydraulic system and interlocking roller structure for reliable, consistent grooving performance.
    Mar 3,2026
  • PTC140 Pipe Cutter: When “Easy to Use” Actually Matters
    PTC140 Pipe Cutter: When “Easy to Use” Actually Matters
    The PTC140 pipe cutter is designed for frequent on-site cutting work, focusing on clarity, stability, and ease of use. Its straightforward structure reduces the learning curve and supports smooth, consistent operation. Rather than complex features, PTC140 emphasizes practical usability, making it well suited for construction and maintenance environments where efficiency and reliability matter.
    Feb 28,2026
  • Both Electric Hydraulic Pipe Cutters: How to Choose Between CM-12 and CM-20
    Both Electric Hydraulic Pipe Cutters: How to Choose Between CM-12 and CM-20
    CM-12 and CM-20 electric hydraulic pipe cutters share the same cutting principle but are designed for different pipe sizes and working environments. CM-12 is optimized for small to medium pipes in workshop use, while CM-20 is built for larger pipes and on-site operations requiring stronger support, stability, and mobility. Choosing depends mainly on pipe size and application needs.
    Feb 24,2026