24BH-H6B-T-LH Solenoid Valve 315bar

Product Overview:

The 24BH-H6B-T-LH series (including functional variants 24BP-H6B-T-LH, 24BY-H6B-T-LH, 24BC-H6B-T-LH, and 24BJ-H6B-T-LH) is a direct-acting solenoid directional control valve engineered to ISO 4401-03 (NG6 / CETOP 03) standard mounting interfaces. Designed as a high-reliability OEM replacement, this valve offers 100% direct drop-in interchangeability, requiring zero piping or subplate modifications during field maintenance. Manufactured with high-strength ductile iron housings and micron-honed spools, it delivers precise flow routing, exceptional volumetric efficiency, and low internal leakage under working pressures up to 31.5 MPa (315 bar). Every single valve undergoes 100% simulated full-condition testing prior to shipment to guarantee zero-defect field performance.

Technical Specifications:

• Model Codes: 24BH-H6B-T-LH (Fully covers 24BP-H6B-T-LH, 24BY-H6B-T-LH, 24BC-H6B-T-LH, 24BJ-H6B-T-LH variants)

• Mounting Interface: ISO 4401-03-02-0-05 / CETOP 03 (NG6)

• Max Operating Pressure (Ports P, A, B): 31.5 MPa (315 bar / 4567 psi)

• Max Tank Pressure (Port T): 16 MPa (160 bar)

• Max Permissible Flow Rate: 63 L/min (16.6 gpm)

• Control Method: Direct-acting wet-pin solenoid operated

• Coil Voltage & Options: 24V DC, 110V AC, 220V AC (with LH left-hand junction arrangement)

• Fluid & Temp Range: Mineral and synthetic hydraulic fluids, -20°C to +70°C

• Net Weight: Approx. 1.6 kg (Single solenoid unit)

Key Technical Advantages

• 100% Direct Drop-in Interchangeability: Porting layout, flange dimensions, and bolt spacing strictly conform to ISO 4401-03 standards. Replacement is seamless and effortless, eliminating line rework and minimizing machinery downtime.

• Heavy-Duty Ductile Iron Housing & Precision Honing: Cast from high-grade ductile iron, the heavy-duty housing resists deformation under continuous pressure impulses. Precision compound honing between spool and body bore ensures micron-level clearances, dramatically reducing internal cross-port bypass at 31.5 MPa.

• Durable Wet-Pin Solenoid Architecture: Features wet-pin solenoids where the armature operates submerged in system hydraulic oil. This provides continuous self-lubrication, efficient heat dissipation, cushioned switching impacts, and an extended electrical coil life.

• 100% Simulated Full-Load Condition Testing: We reject batch sampling. Every valve is verified on automated testing rigs under maximum rated pressure (31.5 MPa), full flow rates, and high-frequency switching cycles to eliminate early-life failure or spool binding before delivery.

Application Areas

• CNC machine tools, cutting platforms, and automated clamping systems

• Plastic injection molding machinery and blow molding auxiliary circuits

• Industrial Hydraulic Power Units (HPUs) and centralized pump stations

• Packaging presses, hydraulic balers, and mobile hydraulic machinery

Expert Maintenance Tips

• Verify Subplate Surface Flatness: Before mounting, inspect the mating subplate surface. Ensure surface flatness is within 0.01/100 mm with a roughness better than Ra 0.8. An uneven surface generates mechanical stress that can bind the internal spool when torqued.

• Enforce Strict Cleanliness Standards: Solid contamination is the leading cause of spool scoring and binding. Maintain hydraulic fluid cleanliness to ISO 4406 class 20/18/15 or cleaner using high-efficiency pressure and return filtration.