A Vacuum Valve is a device installed in the supply or exhaust line of a vacuum system. It is often used to isolate vacuum areas such as process rooms or to control incoming and outgoing gas volumes. The Vacuum Valve can be operated manually, pneumatically, electropneumatically, electrically or electromagnetically.
The Vacuum Valve is designed to provide a tight seal until the system pressure or vacuum exceeds the valve’s set pressure. When overpressure builds, the pressure disc lifts just like a safety valve, allowing vapors to pass through.
Pressure-vacuum valve is widely used in the food-processing, wine-making, cosmetics and chemical industries as well as in the beverage and oil production.
Vacuum valve Operating principle
The pressure-vacuum valve is designed to breathe in while the tank is being emptied to equal the pressure inside and outside the tank and protect the tank from vacuum.
When the tank is being filled, the pressure-vacuum valve allows air to come out, thus avoiding excess pressure inside the tank which would cause the tank to swell.
Design and features features
- Available sizes: 2″ y 2 ½”.
- Easy disassembly.
- Compact design.
- Standard connections: G type thread (ISO 228).
Stainless steel parts: AISI 316L
Spring: AISI 302