The FX series hydraulic unit offers two pressure gauge options: a digital gauge for clear numerical readings and a mechanical pointer gauge that remains readable without power. This flexible configuration allows reliable pressure monitoring under different job-site conditions, ensuring stable pressure control for butt fusion welding operations.

Recently, our customized 1600mm butt fusion welding machine, tailored to the specific needs of an overseas client, has successfully rolled off the production line and is ready for delivery. This large-scale welding equipment integrates advanced data recording function and emergency stop system, perfectly balancing construction efficiency and operational safety, which has been highly recognized by the client during the pre-delivery inspection.

Welping’s gear-driven facer tools provide stable torque, consistent cutting, and long-term reliability in butt fusion welding. By replacing chain-driven systems with precision gears and a reinforced facer plate, Welping reduces vibration, minimizes maintenance, and improves pipe end flatness and weld quality.

These photos show roll grooving machines at the final assembly stage inside the Gruvmaster factory. Each machine is assembled by hand, with technicians performing alignment, pressure adjustment, and inspection to ensure consistent performance. Standardized assembly procedures help maintain stable quality across batch production before every machine is shipped.

The updated H402 Pipe Chain Vise is an upgraded version of our classic model, built with heavier-duty materials and a smooth, dense body produced through a RCS casting process. A newly added chain wear plate extends tool life, and makes clamping safer and more reliable - especially in tough jobsite conditions. With a wide working range from 1/8" to 6", it securely holds galvanized steel, stainless steel, copper, and aluminum pipes, delivering strong grip, smooth operation, and reliability.

Welping's 1200-1600mm HDPE Pipe Butt Fusion Welding Machine delivered outstanding performance in an Egyptian construction project, winning high recognition for its quality and stability, with the client praising Welping as "truly one of the best companies in China."

This article presents a photo update of the FX800 butt fusion machine from the FusingX series. Designed for 450–800 mm pipe diameters, FX800 is positioned for large-diameter applications. The update highlights the machine’s complete configuration and visible design details, with further technical topics to be covered in follow-up articles.

The FX800 butt fusion machine is designed for large-scale pipeline welding projects involving heavy loads and complex site conditions. Supporting pipe diameters from 450 to 800 mm, it features a dedicated hydraulic unit, safety-focused structural details, and clear operating logic. The FX800 provides stable, controlled, and reliable performance for systematic large-diameter welding applications.

This article explains the differences between plated rollers and stainless steel rollers used on Gruvmaster roll grooving machines. It focuses on thin-wall steel and stainless steel pipe applications, addressing deformation control, durability, and cost considerations. By matching roller selection to pipe wall thickness and operating conditions, users can achieve more consistent groove quality and stable roll grooving performance.

Welping Machinery successfully delivered one set of a butt fusion welding machine to a customer in Egypt.

This article records a factory photo session of the FX1000 butt fusion machine conducted on December 30, 2025. The FX1000 follows the same design and material system as other FX series models, with differences mainly in overall size. The photos highlight structural details such as the single-piece side frame, clamp design, and adjustable anti-slip pads.

This article looks at the evolution of the FusingX hydraulic unit, comparing the first- and second-generation designs and explaining how the latest version developed through long-term job-site use.Based on continuous field feedback, the second-generation unit introduces improvements in mobility, protection, operating flexibility, and overall usability, making it more suitable for HDPE butt fusion welding and extended on-site operation.

This article outlines the structural updates of the Gruvmaster RG-4X Pro compared with the RG-4X. The changes focus on practical improvements, including an integrated storage frame, a larger grooving assembly, reinforced pipe support, and upgraded positioning rollers. These refinements enhance stability, durability, and control during long-term roll grooving operations without altering the machine’s fundamental working principle.

This article documents the current hydraulic system configuration of the CM-20 pipe cutting machine. Based on a new set of on-site photos, it shows the transition from an integrated hydraulic design to a split structure with separate pump and cylinder. The update reflects structural considerations and real working conditions across the product line.

The FX450 butt fusion welding machine is designed for HDPE pipe welding in the 180–450 mm range, commonly used in municipal and general pipeline projects. It combines a stable welded frame, enclosed hydraulic unit, controlled heating, and a gear-driven facer to support reliable, repeatable welding during long and continuous on-site construction work.

This article introduces a structural adjustment made to the CM-12 pipe cutting machine based on real on-site use. While keeping the original cutting range, hydraulic system, and cutting performance unchanged, a tow handle and wheels were added to improve mobility and handling during frequent repositioning in pipeline construction environments.

FX500 Butt Fusion Machine is designed for welding pipes from 180–500mm, delivering professional-grade performance and reliability for municipal, gas, water, and industrial pipelines. It features a standard remote controller, high-precision heating plate with PTFE coating, intelligent hydraulic pressure control, and a heavy-duty frame, ensuring efficient, stable, and consistent fusion results.

This article introduces the anti-slip pad block design used on large FX series butt fusion machines from FX800 and above. By increasing clamping contact area and allowing fine adjustment, the design improves pipe stability during alignment, especially in low-temperature conditions, without changing the butt fusion welding process.

The FX500 butt fusion welding machine is a mid-range model in the FX series by FusingX, designed for everyday HDPE pipe welding around the commonly used 500 mm size. With a stable clamping frame, mobile hydraulic unit, and standard facer and heating plate, it offers a balanced and practical setup for routine on-site pipeline construction work.

This article introduces a practical PE pipe cutting method designed for trench and on-site applications. Side-type PE pipe cutters allow cutting when space is limited and pipes are already installed. With clean cuts and minimal debris, this method is suitable for electrofusion and butt fusion preparation, especially for on-site PE pipe installation and adjustment.

The RG-1C roll grooving machine shares the same core grooving capability as the RG-1X, with the main difference in its fixed stand and wheels. The added structure does not change grooving performance, but makes stability and handling easier for fixed workshop use. It is ideal for continuous or repetitive grooving tasks at a set workstation.

The FUSINGX rubber roller pipe stand is designed for DN630–DN1200 PE pipes, providing stable support during welding and pipe handling operations. Featuring a heavy-duty steel frame, rubber-coated rollers, and a wide-base structure, it enables smoother pipe movement and improved alignment. With a designed load capacity of approximately 1.5 tons, the product is currently in pre-launch stage.

The second-generation AG-8Z automatic hydraulic roll grooving machine introduces practical upgrades based on real operating feedback. Improvements include a redesigned hydraulic system for continuous use, enhanced mobility with updated wheels and telescopic handles, optional wireless remote control, expanded capacity up to 16", and a scaled depth adjustment screw. The result is improved stability, consistency, and usability in high-duty grooving applications.

The PTC140 pipe cutting machine is built on a single, consistent bench-top platform, with differences mainly in power supply rather than cutting performance. Available in AC-powered and lithium battery versions, it adapts to both fixed workshops and mobile job-site use. The shared structure, simple operation, and flexible configuration make the PTC140 suitable for daily installation, prefabrication, and maintenance work.

The clamp inserts are designed to
cover a wide range of pipe sizes,
significantly reducing the need for
multiple insert combinations.
For example, a large span from
90mm to 315mm requires only three
sets of inserts, greatly improving
work efficiency.
Meanwhile, the inserts feature a
high-strength structure, pressurecast for durability, making them
suitable for heavy-duty applications.

This article explains the engineering rationale behind the green heating plate used on FX series butt fusion machines. As the highest-spec heating plate within the product range, it features multi-point temperature testing, a thicker plate body, reliable internal components, and industrial-grade connections. Designed for temperature consistency and long-term stability, it forms part of the overall FX system configuration.

While many vises look similar from a distance, a closer inspection reveals the vast differences in materials, engineering, and durability.
At WELPING, we apply automotive-grade manufacturing standards to our tools. Here is a technical breakdown of why the WELPING H401 Tri-Stand Chain Vise outperforms standard medium and low-quality alternatives on the market.

This article explains why internal gear drive matters in a pipe fusion facer used for butt fusion welding. Compared with common chain-driven structures, a gear-driven system provides more stable transmission, smoother rotation, and easier maintenance. By driving the cutter plates evenly, it allows both pipe ends to be faced simultaneously, helping ensure consistent pipe preparation before welding.

Grooving large steel pipes from 8" to 24" introduces challenges that go beyond simple machine power. Structural rigidity, hydraulic stability, and controlled roller pressure play a critical role in achieving consistent groove quality. This article explains the key factors affecting large-diameter grooving and discusses how machines like the RG-4X are designed to address these operational demands.

WELPING’s upgraded FX500 Butt Fusion Welding Machine now features an integrated crane hoist for simpler, safer operation. Our sales team recently completed hands-on workshop training, directly operating the machine to master its design and performance.

This article explains the role of a data logger in PE pipe butt fusion welding. By automatically recording key parameters such as temperature, pressure, heating time, and cooling time, the data logger helps create traceable welding records. Compatible with A, FX, and A Pro series machines, it supports ISO and DVS standards and improves quality control in pipeline construction projects.

WELPING introduces a new 355 butt fusion clamp design with die-cast structure, improved consistency, dual 355mm/14” compatibility, and enhanced mobility.

The PTC140 pipe cutter is designed for practical, on-site use where cutting is frequent and efficiency matters. Instead of focusing on complexity, it delivers a stable structure, clear operation, and smooth workflow. With an intuitive layout and consistent cutting rhythm, it helps operators work faster and more reliably in real construction environments.