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.

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.

This comprehensive guide explains how to select a wafer butterfly valve based on pipeline size, flow rate, pressure rating, temperature, and media compatibility. It covers key features (compact design, 90° operation, low pressure drop), material selection for body/disc (ductile iron, stainless steel, aluminum bronze, duplex) and seat (EPDM, NBR, Viton, PTFE), plus installation best practices and maintenance tips. The article highlights Tianjin Worlds Valve Co., Ltd. as a reliable OEM/ODM manufacturer offering full customization, international certifications (ISO 9001, CE, UKCA, WRAS, ACS), and factory‑direct support for water, chemical, HVAC, marine, and industrial applications.

This article covers wafer butterfly valve design, working principle, and applications in water treatment, HVAC, and chemical industries, highlighting their compactness, efficiency, durability, and easy installation.

This DN300 double eccentric flanged butterfly valve features a ductile iron body and disc with an electric actuator for automated on/off control. The double offset design reduces wear and operating torque, extending seat life. Ideal for water, wastewater, and industrial applications. Fully customizable. ISO 9001 certified OEM manufacturer.

This article compares wafer butterfly valves with traditional gate and globe valves, focusing on installation space, operation speed, cost, and maintenance. It highlights the advantages of wafer designs – compact, lightweight, low pressure drop, and automation‑ready. Tianjin Worlds Valve Co., Ltd. is presented as a reliable OEM/ODM manufacturer offering full material customization, replaceable soft seats, and international certifications (ISO 9001, CE, UKCA, WRAS, ACS, DNV/ABS). The guide helps engineers select the right valve based on media, temperature, pressure, and frequency of operation, with practical tips on seat and body materials.