CBF01-TU03
OEM | ODM | WDS
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U-Shape Butterfly Valve with CF8M Disc & Replaceable EPDM Seat | High-Efficiency Flow Control Solution
Tianjin Worlds Valve Co., Ltd. – WRAS Certified Manufacturer & Supplier

1. U-Shape Disc for Enhanced Hydrodynamics
Optimized Flow Path: The unique U-profile design reduces flow resistance by 25% compared to conventional discs, minimizing energy consumption in pumping systems.
Reduced Turbulence: Creates laminar flow conditions, preventing cavitation and water hammer in high-velocity applications.
2. CF8M (316 Stainless Steel) Disc Durability
Corrosion Resistance: Excellent performance in water, mild chemicals, and saline environments with superior pitting resistance.
Mechanical Strength: Maintains structural integrity under pressures up to PN16 and temperatures from -15°C to 120°C.
3. Replaceable EPDM Seat System
Quick Replacement: Seat can be replaced without valve disassembly, reducing maintenance downtime.
Bubble-Tight Sealing: Achieves EN 12266-1 Class A zero-leakage performance with excellent resilience.
4. Versatile Operation Options
Multiple Actuation Choices: Compatible with manual lever, gear operator, or ISO 5211-mounted pneumatic/electric actuators.
Visual Position Indicator: Clear open/close status for easy operation monitoring.

Model | CBF01-TU03 |
Sizes | DN50-DN2000 |
Pressure Class | PN10 (10bar) PN16 (16bar) 150LB 125LB |
Design | API 609 ASME B 16.1/16.5/16.47 ISO5211 |
Testing | API598 |
Flange Connection | DIN2501 PN10/16, ISO7005-2 PN10/16, EN1092-2 PN10/16, ANSI B16.5 Class 150LB, ANSI B16.47 Series A Class 150LB, ANSI B 16.1 MSS SP44 Class 150LB, AWWA C207 |
TOP Flange | ISO5211 (according to customer’s needs) |
Face to Face | EN558-1 API609 DIN3202 ISO5752 BS5155 |

Water Treatment: Pump discharge lines, filtration systems, and potable water networks.
HVAC Systems: Chilled water circuits, cooling towers, and air handling units.
Chemical Processing: Mild chemical transfer and dosing applications.
Industrial Cooling: Heat exchanger and process cooling systems.
Irrigation Systems: Mainline and zone control in agricultural applications.

Energy Saving Design: U-shape disc reduces pumping costs through lower pressure drop.
Maintenance Efficiency: Replaceable seat extends valve life and simplifies repairs.
Material Quality: CF8M disc ensures corrosion resistance in demanding environments.
Global Compliance: CE, UKCA, and WRAS certifications for international market access.
Customization Ready: Modify disc thickness, seat material, or coating for OEM projects.
Source CE, UKCA, ACS, WRAS and ISO 9001 certified U-Shape Butterfly Valve with CF8M Disc & Replaceable EPDM Seat from a leading butterfly valve manufacturer - Tianjin Worlds Valve Co.,Ltd.. Competitive pricing, fast delivery—request a quote today!
This lug butterfly valve features a C95400 aluminum bronze disc, a PTFE seat, a split body construction, and a hand lever. The aluminum bronze disc provides exceptional corrosion resistance in seawater, brackish water, and aggressive chemical environments. The PTFE seat offers chemical inertness, low friction, and a temperature range of approximately -35°C to +200°C. The two-piece body allows easy maintenance without pipeline removal. The lug design enables dead-end service at full rated pressure. Available DN50-DN1200, PN10/PN16/Class 150. Suitable for marine, chemical, desalination, and industrial applications. Manufactured by Tianjin Worlds Valve Co., Ltd., an ISO 9001 certified OEM supplier.
This lug butterfly valve features a PTFE-encapsulated stainless steel disc and a PTFE seat, providing zero metal contact and exceptional chemical resistance across pH 0–14. The pneumatic actuator enables fast, remote on/off or modulating control with double-acting or spring-return options. The lug body allows dead‑end service at full rated pressure. Available DN50-DN900, PN10/PN16/Class 150, -35°C to +200°C. Ideal for aggressive chemicals, high-purity pharmaceuticals, and food processing. Fully customizable. Manufactured by Tianjin Worlds Valve Co., Ltd., an ISO 9001 certified OEM supplier.
This 4”(DN100) butterfly valve from Tianjin Worlds Valve Co., Ltd. features a ductile iron body and CF8M disc,Replaceable EPDM seat, and electric actuator. The two stem configuration provides exceptional torsional strength, precise disc alignment, and extended service life. The electric actuator enables remote on/off or modulating control with ISO 5211 direct mounting and SCADA integration. Available DN50-DN300, PN10/PN16/Class 150, –20℃ to +120℃ . Suitable for water, seawater, HVAC, and mild chemical applications. Fully customizable. Manufactured by Tianjin Worlds Valve Co., Ltd., an ISO 9001 certified OEM supplier.
This 20-inch (DN500) lug butterfly valve from Tianjin Worlds Valve Co., Ltd. features a ductile iron body and disc, EPDM seat, and worm gear operator. The lug design enables bi-directional dead-end service at full rated pressure, ideal for large-diameter isolation points and maintenance shut-offs. The EPDM seat provides bubble-tight sealing for water, treated water, and mild chemical services from -20°C to +120°C. The worm gear delivers smooth, self-locking manual operation with an ISO 5211 top flange for actuator mounting. Rated PN10/PN16/Class 150. Fully customizable materials and actuation. Manufactured by an ISO 9001 certified OEM supplier with CE, UKCA, WRAS, ACS certifications available.
Lug butterfly valve with ductile iron body, CF8M disc, and field-replaceable soft EPDM seat. Dead-end service capable. Sizes DN50‑DN600, PN10/PN16/Class 150. Easy maintenance, corrosion resistant. OEM customizable. ISO 9001 certified.
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