PRODUCT SPECIFICATIONS:

Item: Direct-Acting Pilot Relief Cartridge Valve (Pressure Reducing / Relieving Valve)

• Make / Brand: Sun Hydraulics (USA)

• Model Code: PBDB-LAN

• Function: Pilot-operated, balanced piston pressure reducing / relieving valve (Port 2 to Port 1 reducing, Port 1 to Port 3 relieving)

• Cavity: T-11A (Industry-standard 3-port cavity)

• Capacity / Flow Rate: Up to 40 L/min (10 gpm)

• Adjustment Range (Pressure): 7 to 210 Bar (100 to 3000 psi)

• Standard Pressure Setting: Factory set at 70 Bar (1000 psi)

• Maximum Operating Pressure: 350 Bar (5000 psi) at inlet Port 2

• Control Mechanism: L-Control (Standard screw adjustment with locknut)

• Seal Material: N - Buna-N (Nitrile) standard (Viton / FKM optional for high-temperature fluids)

• Valve Material / Construction: High-strength steel body with hardened internal working parts for extended operational life

• Port Configuration:

Port 1: Reduced Pressure (Outlet)

Port 2: Main Supply Pressure (Inlet)

Port 3: Tank / Drain Line

• Installation Torque: 40 to 50 Nm (30 to 35 lbf ft)

• Operating Temperature Range: -20°C to +120°C (with Buna-N seals)

• Hydraulic Fluid Compatibility: Standard mineral-based hydraulic oils, synthetic lubricants, and water-glycol fluids

• Applications: Marine steering gear hydraulic power packs, deck machinery (winches, windlasses, capstans), crane hydraulic manifolds, hatch cover operating blocks, and industrial hydraulic power units (HPU).

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