CBF02-TF01
OEM|ODM
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1. Robust Construction with Ductile Iron Disc
The Ductile Iron Disc ensures exceptional strength and resistance to wear, making it ideal for high-pressure and hgh-temperature environments.
Designed to withstand corrosive media, ensuring long-term reliability.
2. Pneumatic Operation for Efficient Control
Equipped with a pneumatic actuator, our butterfly valves offer precise and rapid control of fluid flow.
Suitable for automated systems, reducing manual intervention and improving operational efficiency.
3. Flanged Design for Easy Installation
The flanged ends provide a secure and leak-proof connection, simplifying installation and maintenance.
Compatible with ANSI, DIN, JIS, and other international flange standards.

Size | DN32-DN600 | DN650-DN2000 |
Working pressure | 16Bar | 10Bar |
Shell | 24Bar | 15Bar |
Seal | 18Bar | 11Bar |
Operating Temperature | -40℃~+160℃ | |
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 | |

Design Standard | EN 593 , MSS SP67 API 609 BS5155 |
Inspection & Test | API 598 ISO 5208 EN 12266 |
End Standard | ANSI B16.1 CL. 125LB & B16.5 CL. 150LB AS 2129 Table D & E BS 10 Table D & E DIN 2501 PN6, PN10 & PN16 EN 1092 PN6, PN10 & PN16 ISO 2531 PN6, PN10 & PN16 ISO 7005 PN6, PN10 & PN16 KS B 1511 / JIS B 2210 5K & 10K MSS SP44 CL. 150LB AWWA C207 SABS 1123 Table 1000/3 & Table 1600/3 |
Face to Face | ISO 5752 , EN 558 , MSS SP67 and API 609 DIN3202 |
Top Flange | ISO 5211 |

Custom Engineered Solutions
As an OEM valve manufacturer, we leverage our experienced engineering team to collaborate with you – designing precisely tailored solutions that meet your exact specifications.
Certified Quality Assurance
Our ISO 9001:2015 certified quality management system is backed by comprehensive global certifications including CE, UKCA, WRAS, and ACS compliance.
Operational Cost Reduction
Direct factory sourcing eliminates intermediaries and associated markups – streamlining procurement and significantly reducing your operational expenses.
Comprehensive After-Sales Service
We have a professional technical team that provides technical support, installation guidance, and maintenance services.

Discover high-quality Pneumatic Operated Butterfly Valves with Ductile Iron Disc from a trusted Flanged Butterfly Valve Factory-Tianjin Worlds Valve. ISO & API certified, customizable, and built for durability. Ready to enhance your operations with top-quality Pneumatic Operated Butterfly Valves? Contact us today for a free quote or to discuss your custom requirements!
This article introduces an 8-inch PTFE lined butterfly valve with a double flanged, two-piece split body design. The valve features a fully PTFE lined body bore and flange faces, a PTFE encapsulated stainless steel disc, and a PTFE seat—providing complete metal isolation and excellent corrosion resistance for chemical, pharmaceutical, petrochemical, and seawater applications. The split body allows in-line maintenance and field-replaceable PTFE components. As an LRQA-certified ISO 9001:2015 OEM/ODM manufacturer with over 15 years of export experience, Tianjin Worlds Valve Co., Ltd. offers fully customizable solutions to meet specific project requirements.
This article compares wafer and double flanged butterfly valves to help engineers and buyers select the right connection type. It details the advantages of wafer valves (compact, cost-effective) and double flanged valves (rigid, dead-end service, large-diameter applications), and explains the in-between option of lug valves. It also highlights the importance of selecting the right seat material (like PTFE for corrosive media). Tianjin Worlds Valve is introduced as a certified OEM/ODM manufacturer of all three body styles.
This article introduces a DN1600 double offset butterfly valve with a ductile iron (EN-GJS-500-7) body and disc, an SS420 stem, an SS316 metal seat, and an electric actuator with worm gear. It explains the double offset working principle, why the design suits large-diameter service, how each material contributes to strength, wear resistance, and corrosion resistance, and where this configuration is typically used. It also covers installation and maintenance considerations for large valves. Tianjin Worlds Valve Co., Ltd. is presented as an LRQA-certified ISO 9001:2015 OEM/ODM manufacturer with over 19 years of export experience, offering customizable large-diameter butterfly valve solutions.
This troubleshooting guide covers seven common butterfly valve problems — external flange leakage, internal seat leakage, stem packing leaks, incomplete operation, high operating torque, body corrosion, and actuator failures — along with root causes and practical field solutions. It includes a preventive maintenance schedule and a repair-or-replace decision guide. As an LRQA-certified ISO 9001:2015 OEM/ODM manufacturer, Tianjin Worlds Valve Co., Ltd. supplies butterfly valves in multiple configurations and seat materials to support reliable long-term operation.
This article introduces a through-hole wafer butterfly valve featuring a split body design, PTFE seat, polished stainless steel disc, and ductile iron body. The through-hole mounting eliminates threaded lugs, allowing bolts to pass through the body and flanges for secure, cost-effective installation. The split body construction enables in-line maintenance and field-replaceable PTFE seats, while the PTFE seat provides superior chemical resistance for aggressive media. Ideal for chemical processing, pharmaceutical, petrochemical, water treatment, and desalination applications. As an LRQA-certified ISO 9001:2015 OEM/ODM manufacturer with over 15 years of export experience, Tianjin Worlds Valve Co., Ltd. offers fully customizable solutions to meet specific project requirements.
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