CBF01-TF01
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Double Flanged Butterfly Valve with Full SS Body & Disc | Corrosion-Proof Industrial Solution
Tianjin Worlds Valve Co., Ltd. – API 609 & PED-Certified Manufacturer
CBF01-TF01-Operation and Maintenance Manual DOWNLOAD

1. Superior Corrosion Resistance & Extended Service Life
The Full Stainless Steel Body and Disc construction, typically made from grades like CF8M (316 SS), provides excellent corrosion resistance against acids, alkalis, salts, and various aggressive media.
Stainless Steel Material significantly enhances the valve service life in harsh applications, reducing replacement frequency and total cost of ownership.
2. Double Flanged Robustness
The Double Flanged Connection design ensures a strong, stable mechanical link to the piping system, effectively preventing leaks and withstanding higher pipe stress. 。
This flange structure, combined with high-quality seat materials (like EPDM or PTFE), enables bubble-tight bidirectional sealing, meeting strict safety and environmental standards for high-pressure and high-temperature applications.
3. High Operational Efficiency and Low Maintenance Cost
The inherent butterfly valve design is simple, compact, and allows for quick operation.
The stainless steel disc ensures smooth media flow with a low pressure drop, minimizing energy loss.
Its low operating torque allows for easy manual operation or simple adaptation to pneumatic actuators and electric actuators for automation.
The robust stainless steel construction requires minimal maintenance, drastically reducing long-term maintenance costs.

Model | CBF01-TF01 |
Sizes | DN50-DN2000 |
Pressure Class | PN10 (10bar) PN16 (16bar) 150LB JIS10K |
Design | API 609 EN593 BS5155 EN1092 ISO5211 |
Test | API598 ISO5208 EN12266-1 |
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 |

Chemical Processin: HCl/NaOH dosing (≤40% concentration), chlorine gas control
Marine & Offshore: Seawater cooling systems with DNV-GL certification
Food & Beverage: Dairy, brewing, and edible oil processing
Semiconductors: Ultra-pure water loops
Source CE, UKCA, ACS, WRAS and ISO 9001 certified Double Flanged Butterfly Valve with Full SS Body & Disc from a leading butterfly valve manufacturer - Tianjin Worlds Valve Co.,Ltd.. Competitive pricing, fast delivery—request a quote today!
Tianjin Worlds Valve is a direct ISO 9001 butterfly valve manufacturer with 19+ years of experience. We offer wafer, lug, flanged, PTFE-lined and triple eccentric valves from DN50 to DN3000, exported to 50+ countries with full after-sales support.
This U-type butterfly valve from Tianjin Worlds Valve Co., Ltd. features an LCB (ASTM A352 Grade LCB) low-temperature carbon steel body, CF8 stainless steel disc, SS410 stem, and EPDM seat. Available DN50-DN2000, the LCB body is impact-tested at -46°C and operates from -46°C to +343°C, making it ideal for propane, liquid ammonia, ethylene, and other chilled fluid services. The U-type design provides automatic centering and superior sealing performance. EPDM seat delivers bubble-tight sealing from -20°C to +120°C. Fully customizable materials, pressure ratings, flange standards, and actuation. Manufactured by an ISO 9001 certified OEM supplier with CE, UKCA, WRAS, and ACS certifications available.
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.
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