“CORNERSTONE” – what does it mean?The origin of the word dates back to 1250-1300.There are numerous definitions including “the foundation on which something is constructed or developed….and is essential or basic.”These things are true about our company, but the reason this company was named ‘CORNERSTONE Valve’ is in stone masonry, the cornerstone is the single most important stone in the construction of any stone building. The entire strength of the building is based upon perfect placement of this one stone which supports the outer walls.
