Product Overview of AWWA C504 Butterfly Valve
Our AWWA C504 U-type butterfly valve with replaceable seat is designed for water supply, sewage treatment, and industrial pipeline systems. Compared with traditional flanged butterfly valves, the U-type design offers a more compact structure, lower cost, and easier installation.
This valve is manufactured in accordance with international standards. This ensures reliable sealing performance, durability, and long service life. The replaceable seat design allows easy maintenance without replacing the entire valve.
Features of AWWA C504 U-Type Butterfly Valves
- Compact U-Type Butterfly Valve Structure
The U-type butterfly valve has a compact structure to save space. It is less expensive than a common flange butterfly valve.
- AWWA C504 Standard Compliance
This butterfly valves meet the AWWA C504 standard for size, pressure, and material selection. They can meet the needs of water supply and sewage systems, including water supply pipes, drainage pipes, and industrial pipes.
- Replaceable Seat Butterfly Valve Design
The seat of this AWWA C504 butterfly valve can be replaced easily without replacing the entire valve. This reduces maintenance costs and extends service life.
- Simple Installation
The double flanged butterfly valve can be installed between two flanged pipes. Furthermore, it can be installed at the end of the pipe system.
- Wide Size Range
Suitable for large flow industrial butterfly valve systems.
Technical Specifications and Standards
| ITEM | Standard |
| Design | EN593 | API609 |
| Face to Face | AWWA C504 |
| Top Flange | ISO5211 |
| Flange Drilling | PN6 | PN10 | PN16 | ASME B16.5 CL150 | JIS 10K |
| Pressure Rating | PN6 | PN10 | PN16 | PN25 | CL150 | JIS 10K |
| Tightness Test | ISO5208 | API598 | EN12266-1 |
Dimensions and Size Chart (DN100–DN500)
| SIZE | øD | øD1 | L | H | H1 | H2 | ∅2 | ø3 | 4ødl | T*T |
| DN100 | 135 | 104.4 | 57.2 | 30 | 200 | 114 | 70 | 90 | 410 | 11*11 |
| DN150 | 188.4 | 155.7 | 71.4 | 30 | 226 | 139 | 70 | 90 | 410 | 14*14 |
| DN200 | 238.2 | 202.5 | 74.6 | 40 | 260 | 175 | 102 | 125 | 412 | 17*17 |
| DN250 | 292.4 | 250.5 | 79.4 | 40 | 292 | 203 | 102 | 125 | 412 | 22*22 |
| DN300 | 344.2 | 301.6 | 85.7 | 45 | 337 | 242 | 102 | 125 | 412 | 22*22 |
| DN350 | 375.2 | 333.4 | 96.3 | 45 | 368 | 267 | 102 | 125 | 412 | 22*22 |
| DN400 | 439.5 | 389.6 | 105 | 52 | 400 | 309 | 140 | 175 | 418 | 27*27 |
| DN450 | 490.5 | 440.5 | 117 | 52 | 422 | 328 | 140 | 175 | 418 | 27*27 |
| DN500 | 535.4 | 491.6 | 130 | 65 | 480 | 360 | 140 | 175 | 418 | 36*36 |
Applications of AWWA C504 Butterfly Valve
This butterfly valve is widely used in:
- Municipal water supply systems
- Sewage and wastewater treatment plants
- Industrial pipeline systems
- Irrigation and drainage systems
- Pump stations and water distribution networks
Manufacturing Process of Butterfly Valve
Certificates of ZFA Butterfly Valve Manufacturer
WRAS
CE
ISO 9001
EAC Russia









