July 2023

WCB in valve means Weldable Cast Steel with a B grading. In this article, we discuss the meaning of WCB designation, review WCB material specifications, and compare WCB vs. WCC.

RPTFE stands for Reinforced Polytetrafluoroethylene and provides a common valve seat coating material. This is largely because it has several desirable attributes that ensure the long-term integrity of the seat. In this article, we review RPTFE seat use, its temperature range, and compare RPTFE vs PTFE.

The CV of valves refers to their flow coefficient and provides one of the important parameters when selecting a valve for an application. Moreover, its value quantifies a valve’s ability to pass flow. In this article, you will learn more about CV, how to calculate it, and review a CV valve chart.