SUN Hydraulics Cartridge Valve | PPFB-LAN | PPDB-LAN | CBCA-LAN | NFBC-LCN

Industrial Precision Cartridge Valves (PPFB, PPDB, CBCA, NFBC, CXDA)

Product Overview:

This series of precision Threaded Cartridge Valves forms the backbone of advanced hydraulic manifold design. The PPFB-LAN and PPDB-LAN pilot-operated reducing/relieving valves ensure superior secondary pressure stability for branch circuits, regardless of primary system fluctuations. To guarantee smooth and safe actuator movement, the CBCA-LAN counterbalance valve provides exceptional load control, while the NFBC-LCN relief valve and CXDA-XCN check valve establish a robust barrier for overload protection and directional flow control. Designed for standard SUN cavities, these valves are ideal for mobile machinery, industrial presses, and aerospace support systems.

Featured models on this page: PPFB-LAN, PPDB-LAN, CBCA-LAN, NFBC-LCN, and CXDA-XCN.

Key Technical Advantages:

• Dynamic Pressure Stability: The PPFB/PPDB series utilizes a pilot-operated balanced piston design, offering extremely low hysteresis and high-precision modulation.

• Smooth Load Modulation: The CBCA-LAN features a 3:1 pilot ratio, effectively preventing cylinder chatter during descent and ensuring zero-leakage locking in static positions.

• High-Response Overload Protection: The NFBC-LCN relief valve responds instantaneously to pressure spikes, safeguarding pumps and actuators from transient overpressure.

• Compact Integrated Design: All-steel construction with precision-ground internals fits standard T-11A and T-10A cavities, significantly reducing manifold footprint and potential leak points.

Detailed Specifications & Parameters:

• Core Model Matrix:

  • PPFB-LAN: Pilot-operated reducing/relieving valve, T-11A cavity, Range A ($7 – 210$ Bar).

  • PPDB-LAN: Pilot-operated reducing/relieving valve with higher flow capacity and wider adjustment range.

  • CBCA-LAN: Counterbalance valve, 3:1 pilot ratio, Range A ($70 – 280$ Bar), ideal for load holding.

  • NFBC-LCN: Pilot-operated balanced piston relief valve, Range C ($10 – 420$ Bar).

  • CXDA-XCN: Free-flow check valve, Range C cracking pressure (approx. $2$ Bar).

• Core Technical Specs:

  • Max Operating Pressure: Rated up to 350 Bar (5000 PSI).

  • Flow Capacity: Covers from $30\text{ L/min}$ to $95\text{ L/min}$ depending on the model.

  • Adjustment Type: L type (manual hex adjustment) with protective cap and locknut.

  • Seals: Standard Buna-N; Viton (FKM) optional for high-temperature environments.

RPES-8WN CBIG-LDN CXHA-XAN
RPGS-8WN CBCH-CJN CXJA-XAN
RPIS-8WN CBCG-CJN CXBA-XBN
RPKS-8WN CBEG-CJN CXDA-XBN
RVBA-LAN CBGG-CJN CXFA-XBN
RVCA-LAN CBIG-CJN CXHA-XBN
RVEA-LAN CBBC-LHN CXJA-XBN
RVGA-LAN CBDC-LHN CXBA-XDN
RVIA-LAN CBFC-LHN CXDA-XDN
RVCS-LAN CBBC-LIN CXFA-XDN
RVES-LAN CBDC-LIN CXHA-XDN
RVCS-LAN CBFC-LIN CXJA-XDN