butterfly valve leakage class, API 598, ANSI/FCI 70-2, Class IV, Class VI, zero leakage, valve shutoff, bubble tight valve

A complete guide to selecting butterfly valve seat materials. From EPDM and NBR to PTFE, FKM (Viton®), and UHMWPE, learn which seat is right for your application's temperature, pressure, and media.

From valve novice to senior engineer, this guide clarifies the critical differences between Wafer and Flanged butterfly valves. JRVAL helps you make the optimal choice with in-depth analysis, a decision matrix, and real-world case studies

Both offer dead-end service, but key differences in installation, pressure handling, and cost make one superior for your application. This expert guide from JRVAL dissects every detail.

The definitive engineering guide comparing butterfly and ball valves. From Cv and torque to materials and maintenance, get the expert data you need to choose wisely.

A butterfly valve is a quarter-turn rotational motion valve used to stop, regulate, and start flow. This comprehensive guide covers everything from its core components and working principle to the different types and their primary applications.

The ultimate expert guide comparing lug and wafer butterfly valves for correct installation, application, and performance selection.

The most exhaustive butterfly valve dimensions library. Face-to-face (API, EN, DIN, BS, GB), actuator mounting (ISO 5211), and mating flange data to the standard's limit (ASME B16.47 to 60", EN to 2000mm)