CBF05E-TA04
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Unmatched Corrosion Resistance & Purity:
Advanced PTFE Lining: The valve with PTFE Seated. This creates an impervious barrier against the most aggressive acids, bases, solvents, and oxidizing agents, ensuring long-term integrity and zero contamination.
Mirror-Polished Disc: The critical sealing surface undergoes meticulous polishing to an ultra-smooth finish. This minimizes friction, prevents particle adhesion or build-up, facilitates effortless cleaning, and guarantees a bubble-tight seal – essential for pharmaceutical, food & beverage, semiconductor, and high-purity chemical applications.

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 | Wafer, Lug, Flanged (ANSI, DIN, JIS......) |

Aggressive Chemical Processing (Acids, Caustics, Solvents)
Ultra-Pure Water (UPW, DI Water) & High-Purity Systems
Pharmaceutical & Biotech (CIP/SIP, Sterile Processes)
Food & Beverage (Sanitary Processes, Hygienic Transfer)
Pulp & Paper (Bleach Plants, Chemical Recovery)
Semiconductor Manufacturing
Wastewater Treatment & Corrosive Effluent Control

Maximum Corrosion Defense: PTFE lining provides the gold standard protection.
Uncompromised Purity: Polished disc prevents contamination, ideal for sensitive processes.
Automation Ready: Reliable pneumatic actuation ensures precise, repeatable control.
Long Service Life & Low TCO: Durable construction and minimal wear parts reduce downtime and costs.
Optimized Flow Efficiency: Full-bore design minimizes pressure loss.

Upgrade your critical flow control systems with the ultimate combination of corrosion resistance, purity assurance, and automated reliability. Request a quote or datasheet for your specific PTFE Lined Pneumatic Butterfly Valve requirements today!
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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