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.

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 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.

This lug butterfly valve features a CF8 stainless steel body and polished disc, PTFE seat, and pin-secured stem. The polished disc reduces torque and prevents media buildup. PTFE seat provides chemical resistance and bubble-tight shut-off. Lug body allows dead-end service. Size range DN50-DN1200, pressure PN10/PN16/Class 150. Ideal for chemical, food, and high-purity applications. OEM customizable, ISO 9001 certified. Manufactured by Tianjin Worlds Valve Co., Ltd.

Why are lug butterfly valves crucial in industrial applications? These valves provide secure and reliable flow control in demanding environments.
In this article, we’ll explore what a lug butterfly valve is, its key features, and where it’s most commonly used.
You’ll also learn how to choose the right valve for your system and ensure its efficiency.

Tianjin Worlds Valve Co.,Ltd was established in 2007. The company's product range includes gate valves, check valves,Y type strainer, butterfly valves, such as Lug Type Butterfly Valves and resilient seated butterfly valves, Lug Butterfly Valve with DI Valve Body and Stainless Steel Disc is one of the representative products of our company.