Epoxy Coated Pipe AWWA C210

Overview

Why Epoxy Coated Pipe is Essential for Corrosive Fluid Transport

In industrial and municipal applications where fluids are highly aggressive, Henan Sanjie Pipe Mart Co., Ltd. offers premium liquid epoxy coated pipe solutions. Our epoxy systems are designed to provide a high-build, durable barrier against chemical attack, abrasion, and oxidation. Unlike standard paints, our liquid epoxy coatings are engineered to meet the AWWA C210 standard, ensuring a minimum dry film thickness of 250-400μm. This makes our epoxy coated pipe the ideal choice for wastewater treatment plants, chemical processing facilities, and saltwater transmission lines. With nearly three decades of experience, Sanjie delivers piping that combines the mechanical strength of steel with the ultimate chemical resistance of advanced epoxy resins.

◆ Versatile Dual-Surface Protection. Sanjie provides both internal and external epoxy coated pipe configurations to meet diverse project needs. Internally, the smooth epoxy lining reduces hydraulic friction, improving flow efficiency and preventing the buildup of scale or biological growth. Externally, the coating protects the steel from corrosive soils, moisture, and atmospheric pollutants. This dual-layer approach ensures that the entire pipe structure is shielded from both the fluid it carries and the environment it inhabits. Our liquid epoxy is applied using advanced airless spray systems, ensuring a uniform and pinhole-free finish across the entire pipe surface, even on complex large-diameter pipes up to 2,420mm.

◆ Optimized for Sewage and Industrial Waste. Managing wastewater requires piping that can withstand hydrogen sulfide, acids, and industrial solvents. Our epoxy coated pipe is specifically formulated to resist these aggressive substances, preventing the MIC (Microbiologically Influenced Corrosion) that typically destroys concrete or bare steel pipes. The dense molecular structure of our liquid epoxy provides a low permeability barrier that blocks ions from reaching the steel substrate. This longevity is crucial for municipal sewage networks where replacement costs are prohibitively high. Sanjie's solutions ensure that wastewater systems remain operational for decades with minimal maintenance or structural degradation.

◆ Superior Mechanical and Chemical Adhesion. At Sanjie, we prioritize the bond between the coating and the steel. Every epoxy coated pipe undergoes Sa2.5 grit blasting to create a high-surface-area anchor profile. Our liquid epoxy is then applied under controlled environmental conditions to ensure optimal chemical cross-linking. This results in a bond that resists peeling, blistering, and under-film corrosion even when subjected to high-velocity fluid flow or mechanical vibrations. The flexibility of the epoxy resin also allows for minor pipe movement and thermal expansion without cracking, ensuring the protective barrier remains intact throughout the pipeline's operational life.

◆ Strict Compliance with International Standards. Quality is built into every millimeter of our epoxy coated pipe. We strictly adhere to AWWA C210 for liquid epoxy systems, ensuring that our products meet the performance criteria required by international engineering firms. For projects involving drinking water, we provide specialized NSF-certified linings. Our QC laboratory performs regular tests for adhesion, impact resistance, and chemical immersion to verify coating integrity. This commitment to standards has earned us the trust of major infrastructure projects in over 110 countries, where Sanjie is recognized as a reliable partner for high-quality anti-corrosion solutions.

◆ Scalable Solutions for Large Infrastructure. Whether you are building a small-scale industrial facility or a massive cross-country water transmission system, Sanjie has the capacity to deliver. We produce epoxy coated pipe in diameters from 219mm up to 2,420mm, with wall thicknesses up to 30mm. Our facility is equipped to handle large-volume orders with consistent quality, providing a cost-effective alternative to stainless steel or other exotic alloys. By combining high-grade carbon steel with our specialized epoxy coatings, we provide a high-performance, long-lasting piping solution that fits within the budget constraints of modern infrastructure development.

Feature	Sanjie Epoxy Coated Pipe	Standard Bitumen Coating
Chemical Resistance	High (Acids, Alkalis, Salts)	Low (Organic sensitivity)
Flow Efficiency	Smooth (Low Manning's n)	Rough (High friction)
Coating Thickness	250μm - 400μm	1000μm - 3000μm (Brittle)
Adhesion Strength	Excellent	Lower
Temperature Range	-30°C to +80°C	0°C to +40°C
Pinhole Resistance	100% Spark Tested	Visual Only
Environmental Impact	Low VOC options	High VOC / Odor
Standards	AWWA C210	Local Grade

Technical Specifications

Parameter	Standard / Value
Base Pipe Standard	API 5L, ASTM A252, GB/T 9711
Pipe Diameter Range	219mm – 2,420mm
Wall Thickness	5mm – 30mm
Coating Standard	AWWA C210
Coating Type	Liquid Epoxy (Two-Component)
Surface Preparation	Sa2.5 (Grit Blasting)
Anchor Profile	40μm – 80μm
Dry Film Thickness (DFT)	250μm – 400μm
Number of Coats	2 to 3 layers
Curing Time	24-72 hours (Full Cure)
Operating Temperature	-30°C to +80°C
Adhesion Strength	Excellent
Salt Spray Resistance	>1000 hours (No blisters)
Bending Capability	1.5° per Pipe Diameter
Potable Approval	ANSI/NSF 61 (Optional)

Application Scenarios

Municipal Sewage Networks

Sanjie’s epoxy coated pipe is the preferred solution for gravity and pressure sewage lines. The internal epoxy lining resists the corrosive gases like H2S produced by domestic waste, preventing the common "crown corrosion" seen in other materials. The high durability ensures municipal systems function for over 50 years without costly excavations and repairs.

Chemical Process Piping

In industrial plants, pipes must transport a variety of chemical solutions. Our epoxy coatings are tested against a wide range of industrial acids and bases. The liquid epoxy provides a seamless barrier that prevents chemical leaks and steel degradation, protecting both the facility and the environment from hazardous spills in chemical manufacturing zones.

Desalination and Brine Discharge

Desalination plants operate in highly saline environments where standard steel pipes would corrode within months. Our epoxy coated pipe provides a robust shield against chloride-induced pitting. These pipes are used in intake and brine discharge systems, ensuring reliable freshwater production for arid regions across the Middle East and Africa.

Power Plant Cooling Systems

Large-scale cooling systems use vast quantities of water, often from rivers or the sea. Sanjie’s epoxy coated pipes, with diameters up to 2420mm, handle these massive flows efficiently. The internal coating prevents bio-fouling and scaling, ensuring heat exchangers operate at maximum efficiency while protecting the pipeline from the raw water's natural corrosivity.

Mining and Slurry Transport

The transport of mineral slurries is highly abrasive and corrosive. Our specialized high-build epoxy coatings provide an excellent sacrificial layer that resists the mechanical wear of suspended solids. By reducing both friction and pipe wall thinning, Sanjie’s epoxy pipes extend the life of mining infrastructure and lower the energy required for slurry pumping.

Trusted Across 110+ Countries

Henan Sanjie Pipe Mart Co., Ltd. has a 28-year track record of supplying liquid epoxy coated pipe to major international infrastructure projects. Our products are installed in the municipal networks of Southeast Asia, the industrial hubs of Europe, and the resource-rich regions of South America. We provide comprehensive documentation and inspection reports to ensure that every pipe delivered meets the specific regulatory and engineering requirements of our global clientele.

Service & Support

Service Item	Details
Pre-Sales Consulting	Coating system selection (FBE / epoxy / 2PE / 3PE), thickness specification, internal lining recommendation, CP system compatibility analysis.
Engineering Design	CAD/PDF with pipe sizing, wall thickness calculation, coating specification per project standards.
Free Samples	At no charge. Customer covers freight. Coating adhesion and thickness test certificates included.
Production & QC	100% tested: holiday detection, adhesion, impact resistance per ISO 21809-2 / DIN 30670.
Delivery	7–14 days. EXW, FOB, CIF. Container-optimized with bevel protectors and end caps.
MOQ	Flexible per project scope.
Technical Support	Field coating repair guidance, joint protection training, CP system commissioning support.
After-Sales Warranty	50+ year comprehensive warranty. Dedicated team for technical support.
Payment Terms	T/T, L/C at sight. Flexible for long-term partners.
OEM / ODM	Custom steel grade, coating thickness, internal lining type, and length available.	Get Your Epoxy Coated Pipe Quote Today