SUN RDFALBN Pilot‑Operated Relief Valve – Balanced Poppet Design for Stable Pressure Control
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The SUN RDFALBN is a pilot‑operated relief valve with a balanced poppet construction, ensuring consistent pressure regulation even under varying flow conditions. Its compact cartridge design fits standard cavity sizes, making it ideal for mobile and industrial hydraulic systems where space is limited. The valve offers smooth, low‑noise operation and rapid response to pressure surges, protecting pumps and actuators from overpressure damage. With adjustable pressure settings and reliable sealing, it provides long‑term stability in demanding environments.
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SKU:XY-58-001112
Price:$42.12-$142.58
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Product Description
Engineered for high‑performance hydraulic circuits, the SUN RDFALBN Relief valve combines precision manufacturing with robust materials to deliver dependable overpressure protection. The balanced poppet eliminates hydraulic forces that can cause pressure drift, ensuring the set pressure remains accurate throughout the machine’s duty cycle. This valve is suitable for both open‑centre and closed‑centre systems, and its pilot stage design minimises hysteresis, giving excellent repeatability. The external adjustment screw allows easy field setting, while the locknut prevents unintended shifts from vibration. Constructed from high‑strength steel with a corrosion‑resistant zinc‑nickel plating, the RDFALBN withstands harsh operating conditions including temperature extremes and contaminated fluids. It is compatible with mineral oils, synthetic hydraulic fluids, and water‑glycol emulsions. Typical applications include excavator arm circuits, winch motors, and press cyLinders where precise relief is critical. The valve meets ISO 4401 mounting standards and is interchangeable with other major brands, simplifying retrofitting and maintenance.
Product Complete Model No.
SUN NCCBLCV PBFBLAN RDFALBN SXEALBN Original control Valve Relief valve
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