CBF05E-TL01
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Dual-Purpose Lugged & Tapped End Connections
Lugged Design: Integrates threaded inserts for direct bolt-through piping attachment without full flanges – ideal for end-of-line service or frequent disassembly.
Tapped Holes: Permits secure bolting between ANSI/DIN/JIS flanges, eliminating the need for through-bolts across the valve body.
Zero-Pipeline-Distortion: Distributes stress evenly during installation, preventing misalignment in high-vibration systems.

Isolated 17-4PH Stainless Steel Shaft: Prevents media contact, eliminating galvanic corrosion.
Fire-Safe Design (API 607): Optional metal secondary seal contains media during PTFE failure.
Low-Torque Operation: PTFE-encapsulated disc reduces actuation force by 40% vs. metal-seated valves.

Body | Cast Iron Ductile Iron Carbon Steel Stainless Steel AL-Bronze |
Disc | PTFE Ductile Iron Carbon Steel Stainless Steel AL-Bronze |
Lining | PTFE(Teflon) |
Shaft | Stainless Steel Monel K500 |
Seat | Integral PTFE |
Pressure Rating | 10/16Bar ANSI 150# (Standard), Higher Ratings Available |
Temperature Range | -20°C to 180°C (-4°F to 356°F) - Consult for extremes |
Actuator | Hand Lever Worm Gear Electric Pneumatic |
End Connections | Lugged & Tapped (ANSI B16.5 / EN 1092-1) |
Certifications | ISO9001, WRAS, ACS, UKCA, CE, ABS |

Chemical Processing: Reactor feed lines, acid transfer, solvent recovery
Pulp & Paper: Bleach plants, black liquor handling
Mining & Metallurgy: Leachate control, slurry transport, pickling lines
Water Treatment: Chlorine dioxide injection, lime slurry, wastewater neutralization
Power Generation: FGD systems, chemical dosing

Customization-Ready: Modify disc thickness, shaft extensions, or lining thickness for extreme pressures/abrasives.
Retrofit Simplified: Direct replacement for failed metal valves – no pipeline modifications.
Global Compliance: Manufactured to ASME B16.34, PED 2014/68/EU, and CRN standards.
Lifecycle Cost Reduction: 3x longer service life vs. rubber-lined valves in pH <2 or >12 environments.

For valve manufacturers and system integrators: This valve is your scalable core for building corrosion-resistant assemblies. Add pneumatic/electric actuators, positioners, or limit switches via ISO 5211 mounting pad.
Request factory certification, hydro-test reports, or custom design consultation today – and build unbreakable flow systems.
This article introduces a 14-inch wafer butterfly valve featuring a ductile iron body, a replaceable EPDM seat for easy field maintenance, a CF8 stainless steel disc, and a turbo gear operator – rated at PN16. As an LRQA-certified ISO 9001:2015 OEM/ODM manufacturer with over 19 years of export experience, Tianjin Worlds Valve Co., Ltd. offers fully customizable solutions to meet specific project requirements.
This article introduces a 10-inch PTFE lined lug butterfly valve featuring a ductile iron body, a PTFE seat, and a PTFE-encapsulated ductile iron disc–rated at Class 150. With full PTFE encapsulation ensuring zero metal contact and bubble-tight sealing, this valve is ideal for aggressive chemical, pharmaceutical, and semiconductor applications. As an LRQA-certified ISO 9001:2015 OEM/ODM manufacturer with over 19 years of export experience, Tianjin Worlds Valve Co., Ltd. offers fully customizable solutions to meet specific project requirements.
Double flanged butterfly valve for heavy-duty systems: ductile iron body, CF8M disc, vulcanized EPDM seat for zero leakage and metal isolation. Electric actuator (on-off/modulating with feedback), PN16, fully customizable. Certified ISO 9001, CE, UKCA, WRAS, ACS; 100% pressure tested with traceable certs. Factory direct, 15–40 days lead time.
Wafer butterfly valve with ductile iron body, CF8 disc, and EPDM seat. Reliable bubble-tight shut-off for water, HVAC, and industrial systems. OEM/ODM available.
This guide covers everything you need to know about lug butterfly valves—why they outperform wafer valves in dead-end service and isolated maintenance, how material selection (ductile iron, stainless steel, carbon steel) impacts performance, and key installation and maintenance best practices. Learn the lug vs wafer comparison, common selection mistakes to avoid, and how to choose the right body material, seat, and actuator for water treatment, chemical processing, oil & gas, and HVAC applications. Backed by ISO 9001 certification and full OEM customization with 19+ years of export experience.
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