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 5″ pneumatic wafer butterfly valve features a CF8M stainless steel body and disc, PTFE seat, and split body construction for easy maintenance. Equipped with a double-acting actuator and limit switch for remote position feedback. Rated PN10, temperature range -35°C to +200°C. Suitable for corrosive media including acids, alkalis, and solvents. Fully customizable materials, actuator, and accessories. Manufactured by Tianjin Worlds Valve Co., Ltd., an ISO 9001 certified OEM/ODM supplier offering CE, UKCA, WRAS, and ACS certifications.

This PTFE lined wafer butterfly valve with chainwheel operator allows safe ground‑level control of valves installed high on pipelines. Primary PTFE micropowder and 30KV spark testing ensure lining integrity. Handles aggressive chemicals across a wide temperature range. Fully customizable for your application.

This hand lever wafer butterfly valve features a replaceable soft EPDM seat, allowing field maintenance without pipeline removal. Available 2" to 12" (DN50-DN300) with ductile iron body and CF8 disc. optional gear, electric, or pneumatic actuators. Seat materials (EPDM, NBR, Viton, PTFE) and disc materials fully customizable. Suitable for water, HVAC, mild chemicals, and oil services. ISO 9001 certified OEM manufacturer.

This wafer butterfly valve features a ductile iron body, CF8 disc, and a field-replaceable soft EPDM seat. Available from 2″ to 120″ (DN50-DN3000), it suits water, wastewater, and HVAC applications. All materials are fully customizable, and the replaceable seat reduces maintenance downtime.

This concentric wafer butterfly valve features a ductile iron body, CF8 stainless steel disc, and PTFE seat. The PTFE seat provides outstanding chemical resistance, a wide temperature range (-35℃to +200℃), and low friction operation. The concentric design ensures symmetric sealing, low torque, and bi-directional flow capability. Available DN50-DN600, PN10/PN16/Class 150. Suitable for chemical dosing, water treatment, food processing, and high-purity applications. Disc and seat materials are fully customizable for more aggressive service conditions. Manufactured by Tianjin Worlds Valve Co., Ltd., an ISO 9001 certified OEM supplier.

This wafer butterfly valve from Tianjin Worlds Valve Co., Ltd. combines a CF8 (ASTM A351 Grade CF8) stainless steel disc with an NBR rubber seat, built into a ductile iron (GGG40) wafer body. The standard NBR seat performs well in oil, fuel, aliphatic hydrocarbon, and mild chemical media. Beyond this baseline configuration, all major components are fully customizable: disc materials include CF8, CF8M, Duplex 2205, Super Duplex 2507, and Aluminum Bronze; seat materials include EPDM, Viton (FKM), and PTFE. The product covers DN50–DN3000, fits PN10/PN16/Class 150 pipelines, and conforms to ISO 5752 face-to-face dimensions. Suitable for water treatment, oil handling, HVAC, food processing, and general industrial services.

This product describes a lug butterfly valve featuring a CF8M (AISI 316) stainless steel body and disc, operated by a manual hand lever. The lug design allows dead-end-service – the valve can be installed at pipeline ends without a downstream flange. Available with replaceable seats (EPDM, NBR, FKM, PTFE) for various media. Sizes DN50-DN2000 with customizable pressure ratings (PN10, PN16, Class 150) and flange standards (EN 1092, ANSI B16.5, etc.). Suitable for seawater, chemical processing, high‑purity water, and corrosive industrial applications. Fully customizable as an OEM product from Tianjin Worlds Valve Co., Ltd.