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Industrial Flanges China Suppliers Carbon Stainless Clad Flange Factory
Leading China factory and suppliers of high-quality industrial flanges. We provide Carbon Steel, Stainless Steel, and Clad Flanges from DN15 to DN2000, adhering to ASME B16.5 and API 6A standards for leak-proof piping systems.
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Industrial flanges are critical connection components designed to secure pipes, valves, and other equipment within complex piping systems. By utilizing a bolted connection mechanism, these flanges eliminate the need for extensive welding and specialized onsite equipment, significantly streamlining the installation process and boosting construction efficiency across various industrial projects.

Engineered for maximum reliability, our flange range includes Carbon Steel, Stainless Steel, and advanced Clad Flanges. Whether you require the cost-effective strength of carbon steel for high-pressure oil and gas lines or the superior corrosion resistance of stainless steel for pharmaceutical and food processing, our products ensure leak-proof sealing and long-term structural integrity in the most demanding environments.

Detailed Parameters

Base MaterialCarbon Steel / Stainless Steel / Alloy BaseConnection TypesSlip-on, Welding Neck, Socket-weld, Threaded
Surface TreatmentOverlay Welding Clad / Protective CoatingsPressure RatingsStandard Industrial Grade (DN/P Range)
Corrosion ResistanceHigh (Clad & Stainless) / Standard (Carbon)Temperature RangeCompatible with High-Temp Applications
Manufacturing ProcessPrecision Machining & Overlay WeldingCompatibilityMulti-material Pipe & Equipment Integration
Application AreasOil & Gas, Chemical, Power GenerationWeight StandardStandardized DN/P Weight Tables

Key Advantages

Superior Sealing

Effectively prevents fluid leakage, ensuring airtight and watertight sealing within specific pressure and temperature ranges.

Rapid Installation

Bolted connection design removes complex welding requirements, drastically reducing assembly time and labor costs.

Enhanced Durability

Clad flanges utilize overlay welding to provide high-performance alloy layers, resisting wear and extreme chemical erosion.

Broad Compatibility

Seamlessly connects with a wide array of pipe materials and equipment types, offering versatile system integration.

Optimized Strength

Combines the mechanical strength of base metals with the protective qualities of high-grade alloys for a longer life cycle.

Cost-Effective

Reduces the frequency of replacements in critical systems where traditional flanges typically fail prematurely.

Product Gallery

Management Platforms

Inventory Control

Real-time tracking of flange dimensions and material grades to ensure rapid dispatch.

Quality Assurance

Strict overlay welding inspection to guarantee the thickness and purity of the alloy layer.

Compliance Tracking

Full documentation and certification for oil, gas, and chemical industry standards.

Order Customization

Precision customization for DN/P specifications to meet specific engineering blueprints.

Logistics Optimization

Specialized packaging for heavy-duty metal components to prevent transit damage.

Lifecycle Monitoring

Predictive maintenance guidance based on material degradation in harsh environments.

Investment Return Comparison

FeatureStandard FlangesOur Premium Flanges
Installation TimeHigh (Welding focus)Low (Bolted efficiency)
Service LifeStandardExtended (Clad Protection)
Corrosion ResistanceModerateSuperior Alloy Surface
Maintenance CostFrequent replacementsMinimal long-term cost
System ReliabilityModerate RiskHigh-Security Sealing

Frequently Asked Questions

Q: What is the difference between Clad Flanges and Stainless Steel Flanges?

Stainless steel flanges are made entirely of stainless alloy, whereas Clad Flanges utilize a strong carbon steel base with a high-performance alloy layer welded to the surface, providing a balance of mechanical strength and extreme corrosion resistance.

Q: Which flange type is best for high-pressure oil and gas applications?

Carbon steel flanges are widely used for high-pressure strength, but for corrosive environments, Clad Flanges (Overlay Welding) are the ideal choice as they combine structural integrity with chemical protection.

Q: How do I choose the correct DN/P size for my system?

Size selection should be based on your pipe's nominal diameter (DN) and the maximum operating pressure (P) of your system. Please refer to our weight and dimension tables for precise matching.

Q: Are these flanges compatible with different piping materials?

Yes, our flanges are designed for strong compatibility and can be used to connect pipes and equipment made from various materials, provided the sealing interface is correctly matched.

Q: What is the benefit of using a "Slip-on" vs "Welding Neck" flange?

Slip-on flanges are easier to align and install, making them great for low-pressure systems. Welding Neck flanges provide superior strength and are preferred for high-stress or extreme temperature applications.

Q: How does overlay welding improve the flange's lifespan?

Overlay welding applies a precise layer of expensive, corrosion-resistant alloy only where it is needed (the surface), preventing the base metal from degrading and significantly extending the time between replacements.

Ready to Optimize Your Industrial Piping Systems?

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Our pressure piping components

Cangzhou Leo Technology Co., Ltd. is located in Mengcun County Economic Development Zone, Cangzhou City, Hebei Province. It is a specialized high-tech enterprise that integrates the research and development, production, and sales of composite pipes and fittings.
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The company regards product quality as the life of the enterprise, establishes a sound quality management system in accordance with the requirements of industry and national standards, controls all aspects of input and output in the whole process, pays attention to every detail, and ensures that the product delivery pass rate is 100%.
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