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.
2″ Low Profile Pressure/Vacuum Relief Vent~Heavy Duty Stainless Steel
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 […]