عجلة مشط التبن Komatsu 3F4565101 لـ حفارة صغيرة Komatsu PC45R-8

Komatsu PC45R-8 Main Control Valve | Hydraulic Distributor

1. Product Overview
The Komatsu PC45R-8 Control Valve is a multi-spool sectional valve designed to manage the flow and pressure for all primary excavator functions, including boom, arm, bucket, swing, and travel. This assembly is compatible with a wide range of OEM part numbers, including 723-19-11503, 3F4565101, 890001559, and the 723-18 and 723-1A series. It is engineered to maintain Komatsu’s signature smooth operation and precise load-sensing capabilities.

2. Technical Specifications & Performance
Component Type: Multi-Sectional Main Control Valve

Part Numbers: 723-19-11503, 3F4565101, 890001559, 723-18-1190C, 723-18-12909, 723-1A-1390B

Machine Compatibility: Komatsu PC45R-8, PC40R-8

System Pressure: 24.5 – 26.5 MPa (245 – 265 Bar)

Control Type: Hydraulic Pilot Control

Valve Sections: Typically 9 to 11 spools (Application dependent)

Functionality: Load Sensing and Flow Sharing capability

Warranty: 1-Year Quality Guarantee

Lead Time: 3–7 Working Days

3. Key Engineering Advantages
Superior Flow Sharing: Designed to ensure that multiple functions (like boom up and bucket curl) can occur simultaneously without one function "robbing" oil from the other, regardless of load.

Integrated Relief Valves: Features high-precision main relief and port relief valves to protect the hydraulic system from pressure spikes and overloads.

Precision Machined Spools: Each spool is precision-ground to micron tolerances to minimize internal leakage and ensure the "feathering" control required for delicate utility work.

Compact Modular Design: Optimized for the tight internal layout of the PC45R-8, allowing for easier maintenance and access to individual port connections.

4. Supply Range & Brand Expertise
We specialize in high-performance hydraulic components for leading global brands:

Hydraulics: Main Control Valves, Piston Pumps, and Swing Motors.

Drivetrain: Final Drive Gearboxes, Travel Motors, and Track Adjusters.

Electronics: Controllers, Joysticks, and Pressure Sensors.

Extensive Brand Coverage: Komatsu, Hitachi, Volvo, CAT, Liebherr, Hyundai, Kobelco, Kubota, Yanmar, JCB, Sany, and Doosan.

5. Global Logistics & Fast Delivery
Express Shipping: Reliable door-to-door delivery via UPS, DHL, FedEx, and TNT.

Logistics Expertise: Support for Air Freight, Sea Freight, and DDP (Delivered Duty Paid) shipping to handle customs and local taxes.

Service Commitment: Worldwide Delivery to minimize machine downtime and return your Komatsu PC45R-8 to full operational efficiency.