SUN RPGCKCN Cartridge Relief Valve – High Flow Capacity for Large‑Volume Systems
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The SUN RPGCKCN is a high‑flow relief valve designed for large‑volume hydraulic systems such as mobile cranes and marine winches. It offers exceptionally low pressure drop and can handle flows up to 300 L/min, making it one of the largest in SUN’s range. The valve features a balanced main spool and a robust pilot stage that ensures stable pressure control even with rapidly changing loads.
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SKU:XY-58-001119
Price:$42.25-$142.58
- SUN SXEALBN Solenoid‑Operated Relief Valve – On/Off Pressure Limiting with Electrical Control SUN RPGCKCN Cartridge Relief Valve – High Flow Capacity for Large‑Volume Systems SUN RPECFAN Pilot‑Operated Relief Valve with Damped Response – Quiet Operation for Industrial SUN PRDBLSN Electro‑Proportional Relief Valve – Precision Control for Automated Systems SUN PPDBLNN High‑Pressure Relief Valve – Rugged Performance for Heavy Machinery SUN PBFBLAN Adjustable Relief Valve – Compact and Leak‑Tight for Mobile Equipment SUN NCCBLCV Remote‑Controlled Relief Valve – Versatile Pressure Limiting with External Pilot SUN LPBCXFN Direct‑Acting Relief Valve – Fast Response for High‑Flow Systems SUN RDFALBN Pilot‑Operated Relief Valve – Balanced Poppet Design for Stable Pressure Control
Product Description
Built for heavy‑duty applications requiring substantial flow capacity, the RPGCKCN Relief valve delivers reliable overpressure protection without sacrificing energy efficiency. Its large diameter passages and optimised flow paths minimise pressure losses, reducing heat generation and improving overall system efficiency. The balanced spool design eliminates axial forces, resulting in consistent response and low hysteresis. Operating pressure is rated up to 350 bar, and the valve can be adjusted from 50 to 350 bar via an external screw. The cartridge is manufactured from high‑strength steel with a zinc‑plated finish for corrosion resistance. Internal components are hardened to withstand wear from high‑velocity fluid and particulates. The valve is compatible with mineral oils and fire‑resistant fluids, and it operates reliably in temperatures ranging from -30°C to +100°C. Installation follows standard SUN cavity dimensions, allowing interchangeability with similar models. Typical uses include hoist motors, swing drives, and large hydraulic presses. The RPGCKCN also offers optional pressure‑limiting remote control for enhanced system flexibility.
Product Complete Model No.
SUN RPGCKCN PPDBLNN PRDBLSN RPECFAN SXEALBN Original control Valve Relief valve
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