
A Breather Valve, also known as a pressure vacuum relief valve, is a crucial safety feature attached to a nozzle opening on top of a storage tank with a fixed roof. This valve functions as a type of relief valve, primarily designed to provide adequate air to the storage tank during an out-breathing condition. It helps maintain the necessary pressure levels within the tank, ensuring safe operations.
Specifications
Brand: Floin
Model: BV 710
Size: 50 TO 500 NB
Connection: Flanged/screwed
Mounting: Top
Material: CI/WCB/CF8/CF8M/Customized
Gasket: PTFE/CAF/NON-Asbestos
Fasteners: ASTM A 193 Gr B7-A194 Gr2H/SS304/SS316

Vacuum relief valves are essential where vacuum relief is necessary. The pressure vacuum relief valve allows for intake relief from the atmosphere, achieved through a spring-loaded pallet that maintains the required set pressure. These valves can be installed on the top of the tank with a bottom flanged valve or on the side walls of the tank with side flanged valves.
Specifications
Brand : Floin
Model : VRV 720
Size : 50 to 500 NB
Connection : Flanged/screwed
Mounting : Top
Material : CI/WCB/CF8/CF8M/Customized

These valves are used for high surge pressure applications to prevent damage to pipes due to negative pressure. The combination of a vacuum relief valve with an air release valve, along with elamite air, effectively addresses vacuum formations in waterworks piping systems.
Specifications
Brand : Floin
Model : VBV 730
Size : 50 to 500 NB
Connection : Flanged/screwed
Mounting : Top
Material : CI/WCB/CF8/CF8M/Customized

The pressure vacuum relief valve is essential for ensuring complete protection against overpressure and over vacuum conditions inside a storage tank. These vacuum relief valve systems are specifically designed to provide the required flow capacity, minimizing both vapor and product loss.
Specifications
Brand : Floin
Model : PCVR 740
Size : 50 TO 500 NB
Connection : Flanged/screwed
Mounting : Top
Material : CI/WCB/CF8/CF8M/Customized
Gasket : PTFE/CAF/NON-Asbestos
Fasteners : ASTM A 193 Gr B7-A194 Gr2H/SS304/SS316

The Breather Valve with Flame Arrester serves as an essential protection device for storage tanks, effectively preventing over pressure and over vacuum conditions, as well as protecting against external fire hazards. This device operates as a pressure vacuum relief valve, ensuring optimal safety in various scenarios. Specifications include: Brand: Floin, Model: FBV 850, Size: 50 to 300 NB, Connection: Flanged/screwed, Mounting: Top, and Material: CI/WCB/CF8/CF8M/Customized.