Опорное кольцо предохранительного клапана насоса Caterpillar 2579615

The Pump Relief Valve Back-Up Ring is a rigid support element used in conjunction with an O-ring seal within the body of a hydraulic pump relief valve. It is used to prevent the primary sealing element from being pushed out of its groove when exposed to high pressure. This helps maintain the sealing integrity of the relief valve, which is responsible for regulating pressure and protecting hydraulic components from overload.Attributes:• Prevents hydraulic fluid leakage at sealing contact points.• Restricts unintended fluid escape during valve operation.• Assists in the pressure relief function by maintaining seal integrity.Applications: The Pump Relief Valve Back-Up Ring is installed inside pump relief valves in hydraulic systems to support the primary sealing element within the valve, preventing extrusion and ensuring the valve maintains pressure control without leaks.