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  • Operation Guide | How to Connect a Foot Switch to the PTC140 Cordless Pipe Cutter
    Operation Guide | How to Connect a Foot Switch to the PTC140 Cordless Pipe CutterNov 5,2026
    Learn how to connect a foot switch to the PTC140 cordless pipe cutter with our wiring demonstration video. The cordless version does not include a foot switch as standard. This guide provides a reference for users who wish to add one, with support available for compatibility and connection questions.
  • Technical Guide | Why Hydraulic Stability Matters in Roll Grooving Quality
    Technical Guide | Why Hydraulic Stability Matters in Roll Grooving QualityOct 19,2026
    Hydraulic stability plays an important role in roll grooving quality. A stable hydraulic system helps control groove depth, improve groove consistency, reduce pipe end deformation, and support long-term machine reliability. This article explains how hydraulic feeding, sealing structure, depth adjustment, and cylinder durability affect roll grooving performance, and why Gruv-X hydraulic technology and Titanseal dual-seal design are valuable for both job site work and workshop prefabrication.
  • Product Knowledge | Roll Grooving Different Types of Pipe Fittings
    Product Knowledge | Roll Grooving Different Types of Pipe FittingsOct 2,2026
    This article explains how different types of pipe fittings are roll grooved, including elbows, tees, reducers, and other short fittings. It also looks at the main handling differences between fitting types, the basic automatic grooving process, and why repeatability is important in batch production.
  • Product Knowledge | How Are Pipe Elbows Roll Grooved?
    Product Knowledge | How Are Pipe Elbows Roll Grooved?Sep 28,2026
    This article explains how pipe elbows are roll grooved, why fitting grooving differs from straight pipe grooving, how an automatic fitting roll groover works, and what can be visually checked after the groove is formed.
  • Operation Guide | How to Use the RG-3M Manual Roll Groover
    Operation Guide | How to Use the RG-3M Manual Roll GrooverSep 23,2026
    A step-by-step guide to using the RG-3M manual roll groover, covering machine installation, ratchet operation, gradual feeding, groove depth control, and machine removal. The article also explains how the back-and-forth ratchet motion helps when working in confined spaces.
  • Operation Guide | How to Correct Pipe Tracking During Roll Grooving
    Operation Guide | How to Correct Pipe Tracking During Roll GroovingSep 11,2026
    Pipe walking is a common issue during roll grooving. This article explains how to correctly position the pipe and make a small angle adjustment of approximately 2° opposite to the direction of rotation to help improve pipe tracking and grooving stability.
  • Technical Knowledge | What Does “T” Mean in a Roll Grooving Dimension Table?
    Technical Knowledge | What Does “T” Mean in a Roll Grooving Dimension Table?Sep 2,2026
    What does “T” mean in a roll grooving dimension table? This article explains T as the minimum allowable pipe wall thickness and uses a 1" pipe example to show how it relates to SCH 5S, SCH 10, and SCH 40. It also explains why standard roll sets do not cover every wall thickness and when special roll sets may be required.
  • Operation Guide | How to Check Groove Diameter After Roll Grooving
    Operation Guide | How to Check Groove Diameter After Roll GroovingAug 17,2026
    Learn how to check groove diameter after roll grooving using a groove diameter tape or measuring tool. This guide explains why groove inspection matters, how to measure correctly, and what else to check before coupling installation.
  • Technical Knowledge | OGS vs. AGS Groove: Why Do Large-Diameter Pipes Need Advanced Groove Design?
    Technical Knowledge | OGS vs. AGS Groove: Why Do Large-Diameter Pipes Need Advanced Groove Design?Aug 12,2026
    This article explains the differences between OGS and AGS groove systems, why AGS is designed for large-diameter piping, and how groove design affects coupling performance and pipe connection reliability.
  • Technical Knowledge | OGS vs. AGS Grooves: A Side-by-Side Comparison from Our Recent Grooving Test
    Technical Knowledge | OGS vs. AGS Grooves: A Side-by-Side Comparison from Our Recent Grooving TestJul 27,2026
    OGS and AGS are two different grooved piping connection systems designed for different applications. Through a real grooving test, this article compares the differences between OGS and AGS groove profiles, explains why AGS is preferred for large-diameter piping, and shows how compatible roll grooving machines can switch between different groove systems by using dedicated roller sets.
  • Selection Guide | Manual Hydraulic vs. Automatic Hydraulic Roll Grooving Machines: Which One Fits Your Project Better?
    Selection Guide | Manual Hydraulic vs. Automatic Hydraulic Roll Grooving Machines: Which One Fits Your Project Better?Jun 15,2026
    Hydraulic and automatic roll grooving machines are both used for steel pipe grooving, but they suit different working needs. Hydraulic machines are more flexible for job sites, installation work, and medium-volume processing, while automatic machines are better for workshops, batch production, and higher efficiency. This article compares their key differences and helps users choose the right machine based on pipe size, workload, working environment, and production needs.
  • Selection Guide | How to Choose the Right Roll Grooving Machine for Your Pipe Size and Job Site
    Selection Guide | How to Choose the Right Roll Grooving Machine for Your Pipe Size and Job SiteJun 10,2026
    Choosing the right roll grooving machine depends on more than the maximum pipe size. Pipe diameter, wall thickness, material type, job site conditions, production volume, and application all affect the final selection. This article explains how to choose a suitable roll grooving machine for different projects, from small and medium-size pipe installation to large-diameter pipe grooving, workshop prefabrication, pipe fitting grooving, and high-accuracy groove cutting applications.
  • Troubleshooting | Why Bell-Mouth Happens in Pipe Grooving and How to Reduce It
    Troubleshooting | Why Bell-Mouth Happens in Pipe Grooving and How to Reduce ItMay 13,2026
    Bell-mouth is a common pipe-end deformation problem in roll grooving, especially on thin-wall or larger diameter pipes. This article explains why it happens, including pipe support, pressure control, roller matching, and pipe-end preparation, and shares practical ways to reduce deformation and improve groove consistency in daily steel pipe grooving work.
  • Technical Knowledge | Integrated vs. Split Hydraulic Systems: What Really Affects Maintenance and Oil Life?
    Technical Knowledge | Integrated vs. Split Hydraulic Systems: What Really Affects Maintenance and Oil Life?Apr 29,2026
    Split hydraulic systems use a sealed pump design to prevent air and dust from entering the oil circuit, reducing contamination. Compared with traditional integrated systems, they can extend oil change intervals to 1–2 years, lower maintenance frequency, and improve long-term operating stability. The CM series applies this design consistently across different size models.
  • Technical Knowledge | Pipe Straps vs. Pipe Hangers: What’s the Difference?
    Technical Knowledge | Pipe Straps vs. Pipe Hangers: What’s the Difference?Apr 27,2026
    Pipe straps and pipe hangers serve different support roles in piping systems. Straps are used for surface fixing in light-duty applications, offering simple and cost-effective installation. Hangers suspend pipes for heavier loads, providing greater flexibility and support. Choosing between them depends on load requirements, installation method, and application conditions.
  • Technical Knowledge | OGS vs. AGS: Differences and Applications in Pipe Grooving
    Technical Knowledge | OGS vs. AGS: Differences and Applications in Pipe GroovingApr 24,2026
    OGS and AGS are two key grooving standards used in pipe connections. While OGS is widely applied in standard pipe sizes, AGS is designed for large-diameter applications where higher joint stability is required. This article explains their differences, selection logic, and compatible equipment, helping users better understand how to choose the right grooving standard.
  • Selection Guide | Tri-stand Pipe Vise vs. Bench Pipe Vise: Which One Fits Your Worksite?
    Selection Guide | Tri-stand Pipe Vise vs. Bench Pipe Vise: Which One Fits Your Worksite?Mar 13,2026
    Pipe vises play an important role in stabilizing pipes during threading, cutting, and grooving operations. Without proper support, pipes can shift or vibrate, reducing efficiency and accuracy. Two common structures are used in pipe processing: tri-stand pipe vises for flexible job site work and bench pipe vises for stable workshop environments. VH401 and VH402 represent these two practical solutions.
  • Technical Knowledge | Why Fire Protection Systems Widely Use Roll Grooving
    Technical Knowledge | Why Fire Protection Systems Widely Use Roll GroovingDec 3,2025
    Roll grooving has become the mainstream connection method in fire protection systems due to its fast installation, fire-free safety, easy maintenance, cost efficiency, and strong seismic performance. It is widely accepted by major international standards.
  • Technical Knowledge | Explore the Future of Roll Grooving Machines
    Technical Knowledge | Explore the Future of Roll Grooving MachinesJun 5,2024
    As a manufacturer of Gruvmaster steel pipe roll grooving machines, we will take an in-depth look at the future prospects of roll grooving machines and their potential impact on various industries.
  • Technical Knowledge | The Future of Roll Grooving Machines
    Technical Knowledge | The Future of Roll Grooving MachinesMay 31,2024
    Gruvmaster pipe grooving machine will continue to be customer-oriented, driving technological innovation and improving product quality, aiming to provide more efficient and environmentally friendly pipe grooving solutions.
  • Product Knowledge | Gruvmaster Roll Groovers and Environmentally Friendly Manufacturing
    Product Knowledge | Gruvmaster Roll Groovers and Environmentally Friendly ManufacturingMay 30,2024
    Gruvmaster Roll Groovers Factory will continue to uphold the philosophy of green development, promote technological innovation, and provide customers with efficient and environmentally friendly roll grooving solutions. Let us work together to build a better planet.
  • Technical Knowledge | What Is Roll Grooving?
    Technical Knowledge | What Is Roll Grooving?Nov 24,2023
    The blog discusses Roll Grooving as a connection method for industrial pipelines, detailing the process and materials involved. It emphasizes the purpose of grooved pipes in fire sprinkler systems and highlights the difference between Cut Groove and Roll Groove techniques. The article also explains how to roll a groove using the RG-1M on RIDGID 300 power drive.