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.

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 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 Heavy Duty Electric Butterfly Valve with Double Flanged is designed for critical applications that demand robust construction, reliable automation, and long-term performance under high pressure, high cycle, or harsh environmental conditions. Combining a durable double-flanged body with a precision electric actuator, it provides a complete, maintenance-friendly solution for remote and automated flow control in water, wastewater, power, and industrial processing.