Australian Valve is one of the best Double Block And Bleed Ball Valve Supplier in Australia. A double block and bleed (DBB) valve is a specialized type of valve used in fluid control systems to provide an extra layer of safety and isolation. DBB valves are designed to replace traditional methods of achieving isolation through multiple valves and piping configurations. They offer two primary functions: blocking and bleeding. It consists of two separate isolation valves (usually ball valves or gate valves) and a bleed/vent valve. These three valves are integrated into a single unit. The primary purpose of the DBB valve is to provide double isolation, meaning it can block both the upstream and downstream flow of fluid when the valve is closed. This ensures that there is no flow or pressure on either side of the valve. The bleed/vent valve, typically located between the two isolation valves, allows for controlled release of fluid or pressure trapped between the two closed isolation valves. This bleeding function is crucial for safety and maintenance purposes. It allows technicians to verify that the space between the isolation valves is depressurized or safely drained before performing maintenance or repairs downstream of the valve.It offers space and cost savings compared to traditional methods of achieving double isolation through multiple valves and piping configurations. With a DBB valve, you can achieve the same level of safety with fewer components. Australia's leading supplier of premium Double Block And Bleed Ball Valve, which are a dependable and high-quality way to manage gas and fluid flow in commercial and industrial pipe systems.
Advantages:
• The two independent sealing points located within the valve body guarantee that the fluid or gas being transported is kept separate from the environment and downstream pipelines.
• The bleed valve allows for valve venting or pressure testing, which safeguards people and equipment during maintenance or other tasks.
• The DBB's ball valve component permits quick and easy shut-off of flow in pipelines, making it a good choice for circumstances where isolation and control of fluid flow are necessary.
• The DBB's construction with materials like metal and thermoplastic, which are typically durable and corrosion-resistant, ensures reliability and long-lasting performance.
• DBB ball valves are suitable for a range of applications involving different fluid or gas types since they are offered in a range of sizes and materials.The DBB is designed to adhere to industry norms and rules including API 6D and ISO 14313, ensuring that it is appropriate for usage in demanding settings and applications. The DBB's easy maintenance and repair requirements reduce total cost of ownership and downtime.
Industries:
• Oil and Gas Industry
• Chemical Industry
• Power Generation
• Mining Industry
• Water and Wastewater Plants
• Marine Industry
Applications:
• Oil and gas pipelines: DBB ball valves, which are often used in the oil and gas industry, offer double isolation points for pipeline maintenance and repair. They are used during pigging, maintenance, and shutdown processes to halt fluid flow in both directions.
• Chemical processing: DBB ball valves are used in chemical processing facilities to separate and control the flow of various chemicals and fluids, including acids, bases, and solvents. They provide an extra line of protection against leaks and contamination.
• Petrochemical processing: DBB ball valves are used in petrochemical processing facilities to separate and control the flow of various chemicals and fluids, such as crude oil, petrol and diesel fuel. They are used in storage tanks, pipelines, and other structures to halt leaks and ensure safe operation.Water treatment facilities: To segregate and regulate the flow of water and other fluids, water treatment facilities employ DBB ball valves. They are utilised for both emergency shutdowns and maintenance and repair work.
Description:
• Available materials: F51, ASTM A105, WC6, CF8, CF8M, SS304, SS316, WCB, WCC, LCB, LCC, WC6
• Size: 3” to 24”
• Class: 150 to 2500
• Nominal Pressure: PN25 to PN450
Our Website: https://www.australianvalve.com/product-category/double-block-and-bleed-ball-valve/