News
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How PTA Welding Rebuilds Valve Internal Lifespan: From Reactive Repair to Proactive Performance Engineering
Why Do 90% of Valve Failures Occur Internally? In real industrial operations, valve failures rarely originate from external damage. Instead, the most critical issues develop inside the valve body: • Flow path erosion and abrasion • V...Read more -
What Is Hardfacing?
What Is Hardfacing? Hardfacing is a welding process used to deposit wear-resistant materials onto metal surfaces, often used together with cladding solutions to improve equipment performance. Quick Answer Hardfacing is a surface weldin...Read more -
Cladding vs Hardfacing: Differences, Benefits, and How to Choose (2026 Guide)
Cladding vs Hardfacing: What’s the Real Difference? Cladding and hardfacing are two widely used surface protection technologies in industrial applications. While they are often confused, they serve different purposes. Understanding the...Read more -
Laser Cladding for Double Eccentric Valves
Improve Sealing Performance & Reduce Manufacturing and Maintenance Costs Double eccentric valves (double offset butterfly valves) are widely used in oil & gas, chemical processing, power generation, and water treatment systems. However, under harsh conditions suc...Read more -
PTA Hardfacing Pump Impeller Repair: The Most Cost-Effective Way to Extend Industrial Pump Life
Industrial pumps are critical components in industries such as oil & gas, mining, chemical processing, power generation, desalination, and municipal wastewater treatment. These pumps operate continuously to transport liquids, slurry, and chemical media through pipeli...Read more -
Why Do Valves Fail Frequently and Cost So Much to Maintain? How PTA Hardfacing Improves Wear and Corrosion Resistance
Introduction: Why Valve Failures Keep Increasing Operational Costs In industries such as oil & gas, chemical processing, power generation, and mining, valves play a critical role in controlling fluid flow and ensuring system safety. However, many operators face recur...Read more -
Common Valve Component Failures and How PTA Hardfacing Extends Lifespan and Reliability
Valve Components: High-Cost, Easily Worn Parts in Industrial Systems In industries such as oil & gas, chemical processing, power generation, and mining, valve components may be small in size but are critical for system sealing, safety, and operational stability. Over...Read more -
Short Lifespan and Leakage Issues in Ball Valves? PTA Welding Surface Enhancement Provides the Solution
In industries such as oil & gas, chemical, marine, and power generation, ball valves are critical components in fluid control systems. They often operate under high pressure, high temperature, corrosive, and abrasive conditions, leading to seal surface wear, leakage,...Read more -
Why Is It So Difficult to Extend the Service Life of Mining Cutting Picks? Laser Cladding Surface Enhancement as a Smarter Solution
In mining operations and tunneling projects, mining cutting picks are among the most frequently replaced and fastest-wearing consumable components. Although small in size, their performance directly affects equipment availability, maintenance frequency, and overall produ...Read more -
PTA Welding Technology for Paper Mill Screw Press Applications and Optimization Solutions
In the paper industry, pulping, dewatering, and pressing processes place extremely high demands on equipment reliability and continuous operation. The paper mill screw press, as a critical core component, directly affects dewatering efficiency, energy consumption, and ov...Read more -
Setting Sail for a New Journey, Shaping the Future Together
Shanghai Duomu Industrial Co., Ltd. Successfully Held the 2025 Annual Summary Meeting & 2026 Annual Celebration As the year comes to a close and a new chapter begins, Shanghai Duomu Industrial Co., Ltd. successfully held its 2025 Annual Summary Meeting and 2026 Annua...Read more -
Large-Particle Tungsten Carbide Hardfacing | Extreme Wear & Impact Resistant Coatings
Overview of Large-Particle Tungsten Carbide Hardfacing Large-particle tungsten carbide (WC) hardfacing is an advanced surface strengthening technology that deposits a high-performance wear-resistant layer on industrial equipment. By embedding ultra-hard WC particles into...Read more











