CBF01-TU03
OEM|ODM
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1. U-Shaped Disc Design
- Hydrodynamically optimized U-profile reduces head loss by 18-22% versus conventional discs, cutting pumping energy costs in long pipelines.
2. Full AWWA C504 Compliance
- Certified for Class 150B (175 PSI) operation with ductile iron body (ASTM A536), EPDM seats, and fusion-bonded epoxy coating (FBE) per AWWA C550.
3. Zero-Maintenance Construction
- Self-lubricating composite bearings and triple-sealed 316L SS stems prevent grit ingress in sandy/gravel environments.
- OS&Y design for visual position verification.
4. Buried Service Readiness
- Extended ISO 5211 actuator pads support gear operators or actuators for valve box installations.

Energy Savings: U-shape CFD-optimized design reduces pump OPEX by 8-12% annually.
AWWA-Specific Customization: Modify stem extensions, coating systems (polyurethane optional), or flange drilling (AWWA C207 Class D/E).
Rapid Deployment: Pre-assembled kits with valve, gear operator, and KIT adapters for buried service.

Size | DN32-DN600 | DN650-DN2000 |
Working pressure | 16Bar | 10Bar |
Shell | 24Bar | 15Bar |
Seal | 18Bar | 11Bar |
Operating Temperature | -20℃~+120℃ | |
Operating Environment | Ballast and bilge system Chemical processing Desalination plants Drilling rigs Drinking water Dry powder Food and beverage Gas plants HAVC Mining industry Paper industry Sand handling Seawater Sugar industry Thermo technical water treatment Waste water | |
Driving method | Hand Lever Worm Gear Electric Pneumatic | |

Name | Material |
Body | Cast Iron Ductile Iron Carbon Steel Stainless Steel AL-Bronze |
Disc | Ductile Iron Carbon Steel Stainless Steel AL-Bronze |
Shaft | Stainless Steel Monel K500 |
Seat | BUNA NBR EPDM VITON PTFE TEFLON HEPDM Neoprene Hypalon Natural rubber |

Water Transmission Mains: Pump discharge control, reservoir inlets/outlets.
Municipal Distribution: Zone isolation, pressure management, meter bypass.
Fire Protection: Hydrant supply lines (FM/UL approved).
Wastewater Lift Stations: Sludge and effluent control.

Source CE, and ISO 9001 certified U-shape Butterfly Valves with AWWA C504 Standard from a leading China manufacturer - Tianjin Worlds Valve Co.,Ltd.. Competitive pricing, fast delivery—request a quote today!
1. U-Shaped Disc Design
- Hydrodynamically optimized U-profile reduces head loss by 18-22% versus conventional discs, cutting pumping energy costs in long pipelines.
2. Full AWWA C504 Compliance
- Certified for Class 150B (175 PSI) operation with ductile iron body (ASTM A536), EPDM seats, and fusion-bonded epoxy coating (FBE) per AWWA C550.
3. Zero-Maintenance Construction
- Self-lubricating composite bearings and triple-sealed 316L SS stems prevent grit ingress in sandy/gravel environments.
- OS&Y design for visual position verification.
4. Buried Service Readiness
- Extended ISO 5211 actuator pads support gear operators or actuators for valve box installations.

Energy Savings: U-shape CFD-optimized design reduces pump OPEX by 8-12% annually.
AWWA-Specific Customization: Modify stem extensions, coating systems (polyurethane optional), or flange drilling (AWWA C207 Class D/E).
Rapid Deployment: Pre-assembled kits with valve, gear operator, and KIT adapters for buried service.

Size | DN32-DN600 | DN650-DN2000 |
Working pressure | 16Bar | 10Bar |
Shell | 24Bar | 15Bar |
Seal | 18Bar | 11Bar |
Operating Temperature | -20℃~+120℃ | |
Operating Environment | Ballast and bilge system Chemical processing Desalination plants Drilling rigs Drinking water Dry powder Food and beverage Gas plants HAVC Mining industry Paper industry Sand handling Seawater Sugar industry Thermo technical water treatment Waste water | |
Driving method | Hand Lever Worm Gear Electric Pneumatic | |

Name | Material |
Body | Cast Iron Ductile Iron Carbon Steel Stainless Steel AL-Bronze |
Disc | Ductile Iron Carbon Steel Stainless Steel AL-Bronze |
Shaft | Stainless Steel Monel K500 |
Seat | BUNA NBR EPDM VITON PTFE TEFLON HEPDM Neoprene Hypalon Natural rubber |

Water Transmission Mains: Pump discharge control, reservoir inlets/outlets.
Municipal Distribution: Zone isolation, pressure management, meter bypass.
Fire Protection: Hydrant supply lines (FM/UL approved).
Wastewater Lift Stations: Sludge and effluent control.

Source CE, and ISO 9001 certified U-shape Butterfly Valves with AWWA C504 Standard from a leading China manufacturer - Tianjin Worlds Valve Co.,Ltd.. Competitive pricing, fast delivery—request a quote today!
This guide clarifies the naming conventions and key variants of industrial butterfly valves to aid in proper selection. It explains that terms like Wafer, Lug, Flanged, and Resilient Seated directly indicate critical design features such as connection type, sealing mechanism, and service capability. The article details the specific applications of each type: compact Wafer valves for general use, Lug valves for dead-end service, Flanged valves for high-pressure systems, and Resilient Seated valves for bubble-tight shutoff. It provides a framework for specification by outlining four essential selection factors: connection type, offset design, seat material, and dead-end service needs. Finally, it positions Tianjin Worlds Valve as a provider of ISO 9001-certified, customizable solutions across this full spectrum of butterfly valves for water, HVAC, chemical, and industrial applications.
As an ISO 9001-certified manufacturer and supplier, we specialize in providing reliable fluid control solutions. Our PTFE Lined Valves are manufactured with precision and can be customized (OEM/ODM) to meet specific pressure, temperature, and connection standards, ensuring perfect compatibility with your system.
The Stainless Steel Disc and EPDM Seat Wafer Butterfly Valve stands out as a premier choice for engineers and procurement specialists seeking a reliable, low-maintenance, and high-performance valve. Its robust construction, superior sealing, and design efficiency make it an indispensable component for ensuring leak-free and efficient flow control in a multitude of critical systems.
Selecting the right butterfly valve for your system is a crucial decision that can affect the performance and longevity of your piping network.
The Bare Shaft Double Flanged Butterfly Valve provides a fundamental and versatile flow control solution designed for seamless integration with any actuation system. Featuring an unfinished shaft extension and robust double-flanged construction, this valve serves as the ideal core component for customized automation across water, HVAC, and industrial processing applications.
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