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 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.

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 product introduces a wafer type PTFE butterfly valve with ductile iron body, SS316 mirror-polished disc, and PTFE seat. It offers excellent chemical resistance for strong acids, alkalis, solvents, and oxidizing media across DN50-DN600, pressure up to 16 bar, and temperature -35°C to 200°C. Fully customizable and ISO 5211 ready for actuator mounting.

The Two-Piece U Type Butterfly Valve with PTFE Seat and PFA-Wrapped CF8M Disc from Tianjin Worlds Valve Co., Ltd. represents a premium solution for severe corrosion applications where reliability, purity, and maintainability are critical. Its advanced material combination—PFA encapsulation over CF8M disc, PTFE seat, and all-CF8M body—provides exceptional protection against the most aggressive chemicals, while the two-piece construction simplifies maintenance and reduces downtime.

The PTFE Seat & PFA Coated CF8 Disc Butterfly Valve represents a premium solution for handling the most aggressive chemical media and ultra-pure processes. This valve combines a PTFE seat with a PFA-coated CF8 (SS304) stainless steel disc, creating an unparalleled barrier against corrosion, contamination, and chemical attack in critical industrial applications.

As an ISO 9001-certified manufacturer, we provide full material traceability and performance testing. Custom configurations are available to meet specific pressure, temperature, and media requirements.

This Split Body Wafer Butterfly Valve combines advanced materials and intelligent design to deliver exceptional performance in corrosive, high-temperature, and critical flow control applications. Featuring a PTFE seat and duplex stainless steel disc, this valve represents the optimal solution where reliability and longevity are paramount.