The glass window is fused directly to the body to make a leak tight unit without the use of elastomer “O” rings or gaskets. Bodies are plated and have hexagon heads with pipe thread stems.
Relief vents are designed to protect storage tanks from over pressure and allow product discharge without manually opening a cover. Patented designs incorporate a unique seal that allows the tank to maintain a positive pressure below the set pressure thereby protecting the tank contents from contamination. The vacuum relief feature is designed to increase discharge […]