Australian Valve is well known Check Valve Supplier in Australia. A check valve, also known as a non-return valve or one-way valve, is a mechanical device used in fluid systems to allow the flow of fluid (liquid or gas) in one direction while preventing it from flowing in the opposite direction. They play a critical role in ensuring the proper functioning and safety of various systems by preventing backflow, protecting pumps and equipment, and maintaining system integrity. It is designed to permit fluid flow in one direction while blocking it in the opposite direction. They operate automatically and do not require external control mechanisms or power sources. They rely on the fluid's pressure and flow direction to open or close. They have minimal pressure drop when in the open position, allowing for efficient flow through the valve. These open and close rapidly in response to changes in fluid flow direction, helping to maintain system performance and prevent backflow. These are primarily used to prevent the unwanted reverse flow of fluid. This is important for maintaining the integrity of a system and preventing contamination or damage. They are essential components in fluid systems, ensuring the unidirectional flow of fluids, preventing backflow, and contributing to the safety and efficiency of various processes and industries.
Types
 Swing check valve
 Lift check valve
 Dual plate check valve
 Silent check valve
 Non slam swing check valve
 Tilting disc check valve
 Pressure seal check valve

Applications-
• Water Supply
• Wastewater Treatment
• Oil and Gas
• HVAC Systems
• Chemical Processing
• Automotive
• Marine Applications

Advantages:
1.Prevents backflow: The main advantage of check valves is that they prevent backflow or reverse flow of fluids, which can cause damage to pumps, pipes, and other equipment. By ensuring that fluid flows in one direction only, check valves protect the system from damage and prolong the life of the equipment.
2.Saves energy: Check valves help to save energy by reducing the load on pumps and other equipment. By preventing backflow, they ensure that the system operates more efficiently, which reduces energy consumption and costs.
3.Reduces noise: Check valves help to reduce noise in the system by preventing water hammer or other forms of pressure surges that can cause noise and vibration.

Industries:
 Plumbing Industry
 Water treatment Plants
 Oil and gas Industry
 Power generation Plants
 Chemical processing
 Mining Industry

Description:
Body Material- Cast Iron and Cast Steel (LF2, A216, WCB, WCC, LCB, LCC, WC6, WC9), Ductile Iron, Stainless Steel [SS316, SS304, SS316L, SS904L, CF8, CF8M, F304, F316, F31L, F91), DUPLEX AND Super duplex STEEL [ F51, F53, F55 ] Forged Steel A105, A105N, F11, F22, F304, F316, F91] , Alloy20 , Hastelloy ALBR.
Size- ½” – 80”
Class-150 – 2500; PN10 – PN-450
Ends-Threaded, Socket weld, butt weld, flanged, lug, wafer
https://www.australianvalve.com/product-category/check-valve/