AWWA Flange Suppliers – Premium AWWA C228 Stainless Steel Flanges from Sumitec
Sumitec manufactures and supplies AWWA C228 flanges, engineered to meet the American Water Works Association’s standard for stainless steel flanges in waterworks and industrial applications. Our flanges provide corrosion resistance and reliable pressure handling in demanding environments.
Why Choose Sumitec for AWWA C228 Flanges?
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Designed to comply fully with AWWA C228 standards, covering stainless steel slip-on, ring-type, and blind flanges.
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Available in classes SB, SD, SE, and SF, with pressure ratings from 86 psi up to 300 psi and above.
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Flange sizes cover the range suitable for municipal and industrial water distribution systems.
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Made from high-grade stainless steel (304/304L and 316/316L) for excellent corrosion resistance and durability.
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Precise dimensional tolerances ensure compatibility with standard pipeline components.
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Recommended welded joints maximize safety and performance.
Typical Applications
AWWA C228 flanges are widely used in:
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Municipal water pipelines
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Large-scale waterworks and treatment systems
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Pipelines exposed to corrosive environments involving chemicals or saltwater
Pressure Ratings Overview
| Class | Pressure Rating (psi) | Description |
|---|---|---|
| SB | 86 | Lowest pressure class |
| SD | 150 | Moderate pressure rating |
| SE | 275 | High-pressure applications |
| SF | 300+ | Highest pressure capacity |
AWWA C228 vs. AWWA C207
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C228 flanges are stainless steel, focusing on corrosion resistance in harsh environments.
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C207 flanges use carbon steel and are suited for standard waterworks where corrosion exposure is minimal.
For more information, visit our AWWA C207 Flanges page.
Technical Compliance & Quality Assurance
Sumitec ensures all AWWA C228 flanges meet strict standards for:
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Material composition and mechanical properties
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ANSI class 150 bolt patterns for easy system integration
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Dimensional accuracy and pressure ratings
We are ISO 9001 certified, providing complete compliance documentation with every order.
Commitment to Customer Success
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Fast, responsive quotations and expert technical support from our US-based team
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Free shipping on qualifying orders within the continental USA
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Trusted by engineers and contractors nationwide for reliable waterworks flanges
Ready to Get Your AWWA C228 Flanges?
Contact Sumitec today for a personalized quote or technical consultation.
[Send us an email on sales@sumitec.com for a quick response now.]
For detailed product insights and industrial case studies, visit the Sumitec Blog.
Explore detailed specs in the AWWA C228 flange catalog and technical sheets.
