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WELPING large-diameter butt fusion machines in the factory
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MaintenanceButt Fusion

How to Quickly Replace a Hydraulic Quick Coupler

The hydraulic quick coupler is an important connection component in the hydraulic system of a butt fusion welding machine. If the coupler becomes worn, damaged, or needs to be replaced during routine maintenance, the replacement process is

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Product KnowledgeButt Fusion

PE pipe execution standards — did you choose the right one?

PE Pipe - Commonly Used Chinese Execution Standards (Current)

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How-to GuidesButt Fusion

How to Use the PE Butt Fusion Welding Machine?

A PE butt fusion welding machine is used to butt-join pipes directly; it is not for dragging pipes. For example, I welded 50 meters at Location 1 and 50 meters at Location 2. I want to connect the pipes from the two locations together. How

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Troubleshooting & FAQButt Fusion

On-site Shot of Welding Defects in PE Electrofusion Fittings: Can Such Products Still Be Used?

Do not use electrofusion fittings in case of jetting, short circuit, or other similar abnormal conditions.

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MaintenanceButt Fusion

How to Connect PE Pipes to Iron Pipes and PPR Pipes

PE pipes cannot be directly heat-fused to PPR or iron pipes. Depending on pipe size and service conditions, use brass-insert transition fittings, threaded adapters, flange connections, push-in connectors, steel-plastic transitions, or clamp

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How-to GuidesButt Fusion

How to Install PE Reducing Couplings in Series

Connecting PE reducing couplings in series increases cumulative risk at the joints. If series connection cannot be avoided, use compliant fittings, follow PE butt fusion or electrofusion procedures, and pressure-test the entire piping syste

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Troubleshooting & FAQButt Fusion

What Type of Fusion Welder Is Suitable for PPR Pipes?

Common hand-held fusion welders for PPR pipes include DN20-32, DN20-63 and DN75-110 models. For PPR pipes larger than DN160, butt fusion or electrofusion welding may be used.

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How-to GuidesButt Fusion

HDPE Butt Fusion Welding Temperature Chart & Key Parameters

A practical guide to HDPE butt fusion temperature, pressure, heating and cooling parameters. Learn why heater temperature alone is not enough, how interfacial pressure differs from hydraulic gauge pressure, and why DVS 2207-1, ISO 21307 and

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MaintenanceButt Fusion

What Should a Large-Diameter PE Pipe Fusion Machine Be Designed to Handle? A Closer Look at the WP800A

This article examines the key design requirements of a large-diameter PE pipe butt fusion machine, using the WP800A as a practical example. It covers frame rigidity, carriage guidance, clamping inserts, facing performance, heater temperatur

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Troubleshooting & FAQButt Fusion

How to Choose the Right HDPE Butt Fusion Machine: Understanding A Pro, A Max and FX Series

Compare Welping A Pro, A Max, and FX butt fusion machine series to understand the differences in structure, hydraulic systems, and applications, and choose the right HDPE welding solution.

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How-to GuidesRoll Grooving

RG-2T Outward Groove Forming Process: How a Convex Groove Is Formed on Metal Pipe

RG-2T is designed for inward and outward groove forming on metal pipes. This article explains how a convex groove is formed by controlled rolling pressure during the outward groove forming process.

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Product KnowledgeButt Fusion

How to Choose a 1200mm Butt Fusion Welding Machine for Large HDPE Pipes

This article explains how to choose a 1200mm butt fusion welding machine for large PE and HDPE pipe projects. It covers key factors such as working range, frame stability, pipe clamping, facer performance, heating plate uniformity, hydrauli

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Troubleshooting & FAQTroubleshooting & FAQ12 shown · 12 indexed
Troubleshooting & FAQButt Fusion

On-site Shot of Welding Defects in PE Electrofusion Fittings: Can Such Products Still Be Used?

Do not use electrofusion fittings in case of jetting, short circuit, or other similar abnormal conditions.

Read original article
Troubleshooting & FAQButt Fusion

What Type of Fusion Welder Is Suitable for PPR Pipes?

Common hand-held fusion welders for PPR pipes include DN20-32, DN20-63 and DN75-110 models. For PPR pipes larger than DN160, butt fusion or electrofusion welding may be used.

Read original article
Troubleshooting & FAQButt Fusion

How to Choose the Right HDPE Butt Fusion Machine: Understanding A Pro, A Max and FX Series

Compare Welping A Pro, A Max, and FX butt fusion machine series to understand the differences in structure, hydraulic systems, and applications, and choose the right HDPE welding solution.

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Troubleshooting & FAQRoll Grooving

How the RG-2X Ensures Stable Grooving for 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 protec

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Troubleshooting & FAQPipe Support

Pipe Straps vs Pipe Hangers: What’s the Difference and When to Use Each

Pipe straps and pipe hangers serve different roles in piping systems. Pipe straps are designed for direct surface fixing in light-duty applications, while pipe hangers provide stronger, adjustable support for suspended and heavier piping sy

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Troubleshooting & FAQOther Pipe Tools

Which welding machine is suitable?

Which welding machine is suitable?

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Troubleshooting & FAQPipe Support

Overview of Pipe Support Solutions: Straps, Hangers, and Riser Clamps

This article provides a practical overview of common pipe support solutions, including pipe straps, hangers, and riser clamps. It explains their typical structures, applications, and key differences. By understanding how each type is used i

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Troubleshooting & FAQOther Pipe Tools

What should I do if the hydraulic butt welding machine fails to hold pressure?

What should I do if the hydraulic butt welding machine fails to hold pressure?

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Troubleshooting & FAQPipe Cutting

What are the consequences of incorrect phase sequence connection for 380V three-phase power supply?

What are the consequences of incorrect phase sequence connection for 380V three-phase power supply?

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Troubleshooting & FAQButt Fusion

Facer run automatically

With the 380V hydraulic power unit, the milling cutter begins to move when the forward/reverse valve is actuated.

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Troubleshooting & FAQButt Fusion

Cause and Solution for Air in the Hydraulic Hose

Jerky movement of a butt fusion machine may be caused by air trapped in the hydraulic hose. This guide explains the cause and shows how to remove air from the hydraulic system step by step.

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Troubleshooting & FAQButt Fusion

Why the Frame Rings of FX800 and Larger Butt Fusion Machines Are Finished in Black

FX800 and larger butt fusion machines use black-finished frame rings instead of standard blue due to material and manufacturing considerations. After high-temperature forging, the frame rings exhibit surface imperfections that would be more

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MaintenanceMaintenance7 shown · 7 indexed
MaintenanceButt Fusion

How to Quickly Replace a Hydraulic Quick Coupler

The hydraulic quick coupler is an important connection component in the hydraulic system of a butt fusion welding machine. If the coupler becomes worn, damaged, or needs to be replaced during routine maintenance, the replacement process is

Read original article
MaintenanceButt Fusion

How to Connect PE Pipes to Iron Pipes and PPR Pipes

PE pipes cannot be directly heat-fused to PPR or iron pipes. Depending on pipe size and service conditions, use brass-insert transition fittings, threaded adapters, flange connections, push-in connectors, steel-plastic transitions, or clamp

Read original article
MaintenanceButt Fusion

What Should a Large-Diameter PE Pipe Fusion Machine Be Designed to Handle? A Closer Look at the WP800A

This article examines the key design requirements of a large-diameter PE pipe butt fusion machine, using the WP800A as a practical example. It covers frame rigidity, carriage guidance, clamping inserts, facing performance, heater temperatur

Read original article
MaintenanceButt Fusion

A PRO Hydraulic Unit – Pressure Adjustment Guide

Step-by-step guide to hydraulic pressure adjustment on A PRO butt fusion machine, ensuring stable operation and correct setup before welding.

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MaintenanceOther Pipe Tools

Welping Machine Maintenance and Care Manual

Welping Machine Maintenance and Care Manual

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MaintenanceRoll Grooving

Recent Shipment Update – Gruvmaster Roll Grooving Machines

A new batch of Gruvmaster roll grooving machines has completed assembly and shipment preparation. From final assembly to wooden crate packing, each machine is inspected and secured before delivery. These photos document the real manufacturi

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MaintenanceRoll Grooving

A Practical Test and Usage Record of a Pipe Cutting Blade

This article documents a practical evaluation of a pipe cutting blade used on Gruvmaster pipe cutting machines. Based on repeated cutting tests under real steel and galvanized pipe conditions, the focus is on blade wear behavior, performanc

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How-to GuidesHow-to Guides9 shown · 9 indexed
How-to GuidesButt Fusion

How to Use the PE Butt Fusion Welding Machine?

A PE butt fusion welding machine is used to butt-join pipes directly; it is not for dragging pipes. For example, I welded 50 meters at Location 1 and 50 meters at Location 2. I want to connect the pipes from the two locations together. How

Read original article
How-to GuidesButt Fusion

How to Install PE Reducing Couplings in Series

Connecting PE reducing couplings in series increases cumulative risk at the joints. If series connection cannot be avoided, use compliant fittings, follow PE butt fusion or electrofusion procedures, and pressure-test the entire piping syste

Read original article
How-to GuidesButt Fusion

HDPE Butt Fusion Welding Temperature Chart & Key Parameters

A practical guide to HDPE butt fusion temperature, pressure, heating and cooling parameters. Learn why heater temperature alone is not enough, how interfacial pressure differs from hydraulic gauge pressure, and why DVS 2207-1, ISO 21307 and

Read original article
How-to GuidesRoll Grooving

RG-2T Outward Groove Forming Process: How a Convex Groove Is Formed on Metal Pipe

RG-2T is designed for inward and outward groove forming on metal pipes. This article explains how a convex groove is formed by controlled rolling pressure during the outward groove forming process.

Read original article
How-to GuidesRoll Grooving

OGS vs AGS: Understanding Their Roles in Pipe Grooving

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 d

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How-to GuidesButt Fusion

FX Series Remote Control: Built for Real Jobsite Use

This article introduces the standard remote control used on FX series butt fusion machines. Designed for real jobsite conditions, the remote control features a clear four-button layout, emergency stop function, trimmer control, and magnetic

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How-to GuidesButt Fusion

FX Series Remote Control: Built for Real Jobsite Use

This article introduces the standard remote control used on FX series butt fusion machines. Designed for real jobsite conditions, the remote control features a clear four-button layout, emergency stop function, trimmer control, and magnetic

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How-to GuidesRoll Grooving

Why a Stand with a Scale Improves Batch Grooving Efficiency

A pipe stand with an integrated scale improves batch grooving efficiency by turning manual positioning into reference-based setup. Operators can quickly repeat the same settings for identical pipe sizes, reducing adjustment time and workflo

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How-to GuidesButt Fusion

Applications of HDPE Butt Fusion Machines in Pipeline Engineering

This article explains the role of HDPE butt fusion machines in pipeline engineering. It outlines the basic fusion principle, the function of butt fusion machines as process control equipment, and why butt fusion is widely used in medium- an

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Product KnowledgeProduct Knowledge9 shown · 9 indexed
Product KnowledgeButt Fusion

PE pipe execution standards — did you choose the right one?

PE Pipe - Commonly Used Chinese Execution Standards (Current)

Read original article
Product KnowledgeButt Fusion

How to Choose a 1200mm Butt Fusion Welding Machine for Large HDPE Pipes

This article explains how to choose a 1200mm butt fusion welding machine for large PE and HDPE pipe projects. It covers key factors such as working range, frame stability, pipe clamping, facer performance, heating plate uniformity, hydrauli

Read original article
Product KnowledgeButt Fusion

Welping Custom 2000mm Butt Fusion Machine for Large-Diameter Applications

A custom 2000mm butt fusion machine was developed by Welping for large-diameter pipeline applications. The design focuses on structural stability, consistent pressure control, and uniform heating performance under demanding conditions. Rath

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Product KnowledgePipe Cutting

Both Electric Hydraulic Pipe Cutters: Choosing Between CM-12 and CM-20

CM-12 and CM-20 are two electric hydraulic pipe cutters designed for different pipe sizes and working environments. While both machines use the same cold-cutting principle and hydraulic feeding system, CM-12 focuses on efficient cutting of

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Product KnowledgeButt Fusion

FX Series Butt Fusion Machine Clamp Configuration

This article explains how clamp configurations vary across FX series butt fusion machines based on pipe size. Models up to 315 typically use two to three clamp blocks, while machines sized 355 and above adopt a multi-segment full-circle cla

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Product KnowledgeRoll Grooving

How We Understand Roll Grooving Machines Internally

This article records an internal technical discussion on roll grooving machines at Gruvmaster. Through open discussion and 3D model review, the team explored machine structures, design logic, and component relationships. The session focused

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Product KnowledgeButt Fusion

FX Series Butt Fusion Machines: Practical Standard Accessories

This article explains the standard accessory configuration of FX series butt fusion machines. Beyond core components, the FX series includes practical accessories such as modular clamp inserts, accumulators, support shoes, and wear-resistan

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Product KnowledgeButt Fusion

What Makes Up a Complete Butt Fusion Welding Machine?|FX630 as an Example

A complete butt fusion welding machine includes a main frame, facer, heater, and hydraulic power unit. Using the FX630 as an example, this article explains how each component works together during HDPE pipe welding, and why a lifting crane

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Product KnowledgeButt Fusion

Understanding the Frame Design of FX250 and FX315 in the FUSINGX FX Series

The FX250 and FX315 use a unique round-edge steel tube frame, while larger FX models adopt thickened steel plates. This article explains the structural differences and why each design fits its pipe size range, supported by real production p

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