As a trusted manufacturer and global supplier, we specialize in high-volume production of AWWA C207 Pipe Flanges for municipal water infrastructure. Our GMP-certified factory ensures reliable bulk orders with fast delivery, meeting the rigorous demands of water distribution, wastewater treatment, and industrial piping systems. Designed to AWWA C207 standards, these flanges offer unmatched durability and leak-proof performance for projects requiring 4" to 144" diameters and pressure ratings up to 275 PSI.
The products are engineered for high-pressure water supply, drainage, and wastewater systems. Available in steel ring, blind, and hub configurations, they ensure secure connections in large-scale infrastructure. Compliant with AWWA, ANSI, and ASME standards, these flanges withstand harsh environments while maintaining structural integrity.
| STANDARD | TYPE | SIZE | PRESSURE |
| ASME B16.5 | WN, SO, SW, BLD, THREADED, LP | 1/2" ~ 24" | CLASS 150 ~ 2500 |
| ASME B16.36 | WN, SO, THREADED | 1/2" ~ 24" | CLASS 300LB ~ 2500 |
| ASME B16.47 | WN BLD | 26" ~ 60" | CLASS 75 ~ 900 |
| ASME B16.48 | SPECTACLE BLANKS, SPADES, RING SPACERS | 1/2" ~ 24" | CLASS 150 ~ 2500 |
| AWWA C207 | STEEL RING, BLD, STEEL HUB | 4" ~ 96" | 86 ~ 275 PSI |
| API 6A | WN, BLD, THREADED, INTEGRAL, TEST | 2-1/16" ~ 20-3/4" | 13.8 MPa ~ 138.0 MPa |
| API 605 | WN | 26" ~ 60" | CLASS 150 ~ 900 |
| SANS 1123 | WN, PLATE, SCREWED, SO, LOOSE, BLANK, INTEGRAL | DN 10 ~ 3600 | 250 ~ 4000 kPa |
| AS 2129 | BLD, PLATE, BOSS, WN | DN15 ~ 1800 | TABLE A ~ TABLE T |
| BS 3293 | SO, WN | 26" ~ 48" | CLASS 150 ~ 600 |
| BS 4504 | PLATE, LOOSE, BLANK, WN, SO, THREADED, WO PLATE, INTEGRAL | DN 10 ~ 4000 | PN 6 ~ 40 |
| EN 1092-1 | PLATE, LOOSE, BLIND, WN, SO, THREADED, WO PLATE, INTEGRAL | DN 10 ~ 3600 | PN 6 ~ 400 |
| JIS B2220 | SOP, SOH, SW, WN, LJ, TR, IT, BL | DN 10 ~ 1500 | 5 ~ 63 K |
| MSS SP-44 | BLD, WN | 12" ~ 60" | CLASS 150,19.6bar ~ CLASS 900, 153.1 bar |
1. Durability: Built to last decades in corrosive or high-pressure environments.
2. Custom Sizes: Tailored solutions for uncommon diameters (e.g., 72" or 96").
3. Seismic Resilience: Reinforced hubs for earthquake-prone regions.
4. Fast Delivery: Regional warehouses stock standard sizes for urgent needs.
✅ GMP-Certified Production: Consistent quality for bulk orders.
✅ OEM/ODM Support: Modify dimensions, coatings, or branding.
✅ Global Compliance: Meets AWWA, ASME, and ISO standards.
✅ Robust Packaging: Industrial-grade crating prevents transit damage.
Every AWWA C207 Pipe Flange undergoes pressure testing, material inspections, and dimensional checks. We provide mill test reports and compliance certificates with every order.



Q: Can you customize flanges for corrosive environments?
A: Yes. We offer stainless steel, duplex alloys, or epoxy coatings.
Q: What's the lead time for 1,000 units?
A: Stock items ship in 3–5 days. Custom orders take 2–3 weeks.
Q: Do you provide installation guidelines?
A: Yes. Detailed technical documentation is included.
Q: Are your flanges compliant with European standards?
A: Absolutely. We meet CE, EN 1092-1, and other regional certifications.
Need a quote or technical support? Reach out today!
📧 Email: info@sxqinsteel.com
Optimize your water infrastructure with AWWA C207 Pipe Flanges that combine precision, compliance, and rapid delivery. Trust Xi 'An QinSteel for flanges that keep systems flowing seamlessly.
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