CBTN-F425-ALX Steering Pump for XCMG/Lonking Road Rollers

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3 year

Product details

1. Product Overview

CBTN-F425-ALX Hydraulic Steering Pump

A high-performance hydraulic steering pump designed exclusively forXCMGandLonkingroad rollers, engineered to deliver precise steering control under heavy-duty compaction workloads with proven reliability.

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2. Key Technical Specifications

【表格】

Parameter Details

Model CBTN-F425-ALX

Compatible Models - XCMG: XP303/XP405/XP465 Series Pneumatic Rollers- Lonking: LG520B/LG525B/LG530B Series Vibratory Rollers

Displacement 425 mL/rev (±5%)

Rated Pressure 25 MPa (3,625 psi) continuous28 MPa (4,060 psi) peak

Speed Range 600–2,200 rpm (Optimal efficiency at 1,800 rpm)

Rotation Clockwise (CW, viewed from shaft end)

Port Specifications - Inlet: SAE #10 O-ring (3/4"-16 UNF)- Outlet: SAE #12 O-ring (7/8"-14 UNF)- Drain: M14×1.5 straight thread

Weight 18.5 kg (including bearing preload)

Noise Level ≤82 dB(A) (ISO 3744 compliant, measured at 1m distance)

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3. Structural & Material Specifications

• Pump Body:

• Material: High-strength aluminum alloy (ADC12) with anodized surface treatment (≥500h salt spray resistance).

• Flow Path: Optimized design to minimize pressure loss (≤0.8 MPa @ 25 MPa output).

• Shaft System:

• Input Shaft: 42CrMo4 alloy steel (quenched and tempered, HRC 28–32).

• Output Shaft: Floating design with double-row tapered roller bearings (Model: 32011XR, 125 kN dynamic load rating).

• Sealing System:

• Shaft Seal: FKM (Viton) lip seal (temperature range: -30°C to +200°C).

• Port Seals: NBR O-rings (compliant with SAE J1401).

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4. Application Scenarios & Performance Advantages

• Typical Work Conditions:

• Asphalt pavement compaction (maintains hydraulic oil viscosity stability at 120°C–180°C).

• Earthwork base compaction (handles high-resistance steering loads).

• Performance Benefits:

• High Efficiency: ≥92% volumetric efficiency at 25 MPa, reducing energy waste.

• Contamination Resistance: Built-in 10 μm filter screen for operation in non-clean hydraulic environments.

• Long Service Life: Bearing design life ≥8,000 hours (calculated per ISO 281).

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5. Compatibility Verification

5.1 Mechanical Interface Matching

• Flange Dimensions:

• SAE J744 compliant, bolt circle 120 mm ±0.2 mm, M10×1.5×40 mm bolts.

• Shaft Extension:

• Keyway: 14 mm × 8 mm × 50 mm (parallel key, DIN 6885).

• Shaft Diameter: 45 mm (compatible with HTD-5M-15 coupling).

5.2 Hydraulic System Adaptation

• Fluid Requirements:

• Recommended: ISO VG46 anti-wear hydraulic oil (XCMG original: Mobil DTE 24 Ultra; Lonking alternative: Shell Tellus S4 MX 46).

• Viscosity range: 15–500 cSt (-20°C to +80°C operating temperature).

• Filter Precision:

• Return line filter: ≥25 μm (prevents metal particle damage).

5.3 Electrical Control (If Applicable)

• Proportional Valve Interface:

• Signal type: PWM (Pulse Width Modulation), 200 Hz ±10%.

• Voltage range: 12 VDC (±15%).

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