ISO5752 API594 150LB wafer lugged double door swing check valve

Discover how butterfly valves, especially the resilient seated type, serve as the ideal choice for water treatment, HVAC, and industrial pipelines. This article details their core advantages—compact design, quick operation, reliable sealing, and cost-effectiveness—along with a professional selection guide. Explore high-quality, customizable solutions from Tianjin Worlds Valve Co., Ltd., an ISO 9001, CE, and WRAS certified manufacturer offering OEM/ODM support.

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.

This guide by Tianjin Worlds Valve details best practices for resilient seated gate valve installation, operation, and maintenance. Covers critical steps from pre-installation checks and proper flange connection to correct operation (on/off only) and water hammer prevention. Includes a maintenance schedule, common troubleshooting (leaks, hard operation), and highlights technical support and genuine parts. FAQs address steam service, lubrication, and handling long-idle valves.

This guide clarifies the naming conventions and key variants of industrial butterfly valves to aid in proper selection. It explains that terms like Wafer, Lug, Flanged, and Resilient Seated directly indicate critical design features such as connection type, sealing mechanism, and service capability. The article details the specific applications of each type: compact Wafer valves for general use, Lug valves for dead-end service, Flanged valves for high-pressure systems, and Resilient Seated valves for bubble-tight shutoff. It provides a framework for specification by outlining four essential selection factors: connection type, offset design, seat material, and dead-end service needs. Finally, it positions Tianjin Worlds Valve as a provider of ISO 9001-certified, customizable solutions across this full spectrum of butterfly valves for water, HVAC, chemical, and industrial applications.

As an ISO 9001-certified manufacturer and supplier, we specialize in providing reliable fluid control solutions. Our PTFE Lined Valves are manufactured with precision and can be customized (OEM/ODM) to meet specific pressure, temperature, and connection standards, ensuring perfect compatibility with your system.