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{"title":"C0170-55064 Excavator Hydraulic Control Valve for Sumitomo SH200A5","imgUrl":"https:\/\/img.chinax.com\/nimg\/5e\/00\/f0140e3617eca80ac72efed370d5-200x200-1\/c0170_55064_excavator_hydraulic_control_valve_for_sumitomo_sh200a5.jpg","attrs":{"Function":"Control hydraulic oil flow and direction","Delivery Time":"1-7 days","Model Number":"C0170-55064","Productname":"Excavator Hydraulic Control Valve"}}
{"title":"HVME700-000000-012 Hydraulic Distribution Valve for SANY SY375 Excavator","imgUrl":"https:\/\/img.chinax.com\/nimg\/e9\/ec\/8ef2c99d21c4179c291bba40ba71-200x200-1\/hvme700_000000_012_hydraulic_distribution_valve_for_sany_sy375_excavator.jpg","attrs":{"Application":"Excavators","Material":"Electric \/ Hydraulic","Place of Origin":"China","Productname":"Excavator Hydraulic Control Valve"}}
Komatsu PC95R-2 hydraulic distribution valve, PC95R-2 multi-way control valve, PC95R-2 excavator main control valve, excavator hydraulic valve block, mini excavator hydraulic distribution valve, Komatsu excavator hydraulic replacement valve, PC95R-2 hydraulic manifold valve
Core Manufacturing Technology
Low-Porosity Precision Casting Technology: Adopts high-density cast steel raw materials with low-shrinkage casting craftsmanship, eliminating internal sand holes and pores to ensure integral structural rigidity of the hydraulic manifold.
5-Axis CNC Ultra-Precision Machining: Key matching parts such as valve bores and spools are processed by 5-axis CNC equipment, with tolerance strictly controlled within ±0.015mm to achieve optimal fitting clearance.
High-Frequency Thermal Hardening Process: The valve spool undergoes integral high-temperature quenching treatment, with surface hardness up to HRC 58-62, greatly enhancing wear resistance and structural stability.
High-Precision Hard Chrome Coating Technology: The working surface of the spool is plated with uniform hard chrome to isolate hydraulic oil corrosion and reduce friction loss during reciprocating movement.
Dynamic Load Sensing Calibration Technology: Professional LS shuttle valve calibration ensures accurate load signal feedback and precise matching between pump pressure and system demand.
100% High-Pressure Bench Testing: Every finished PC95R-2 multi-way control valve is pressurized to 38MPa and held for 5 minutes to verify zero leakage and stable operation performance.
Working Principle
This Komatsu PC95R-2 hydraulic distribution valve acts as the hydraulic command center, controlling the entire machine’s hydraulic operation through standardized mechanical and hydraulic linkage principles:
Centralized Hydraulic Flow Distribution: Collects high-pressure hydraulic oil from the main pump and distributes it to independent circuits for boom, arm, bucket, swing and travel mechanisms.
Pilot Signal Intelligent Control: Converts PPC pilot pressure signals into mechanical spool displacement to adjust oil flow direction and operating speed in real time.
Dynamic Load Sensing Feedback: The built-in LS shuttle valve detects real-time load pressure and feeds data back to the main pump to achieve on-demand oil supply and energy saving.
System Overpressure Protection: The main relief valve limits the maximum system pressure to avoid component damage caused by overload and hydraulic impact.
Multi-Action Synchronous Coordination: The pressure compensation system balances the flow of each circuit, ensuring smooth and synchronous composite actions of the excavator.
Closed-Circuit Oil Circulation: Guides return oil through the filtering system back to the oil tank to maintain internal cleanliness of the hydraulic system.
Product Applications
PC95R-2 Excavator Hydraulic Overhaul & Rebuild: Ideal direct replacement for original worn, stuck, leaking or insensitive excavator hydraulic valve block during full machine maintenance and overhaul.
Hydraulic System Fault Repair: Effectively fixes common failures including slow operation, jittery movement, hydraulic drift, insufficient lifting force and pipeline leakage.
Engineering Fleet Preventive Maintenance: Serves as a core spare part for long-term operation of rental excavators and construction fleets, reducing unplanned equipment downtime.
Multi-Functional Attachment Upgrade: The reserved auxiliary spool supports the installation of hydraulic breakers, augers and grapples to expand equipment operation scenarios.
Multi-Scenario Construction Operation: Perfectly adapted to mini-excavator working scenarios such as municipal renovation, garden greening, earthwork excavation and narrow-site construction.
Global Aftermarket Parts Supply: Standard high-demand mini excavator hydraulic distribution valve for international parts distributors, cross-border wholesalers and offline professional repair shops.
FAQ
Q1: What is the spool configuration of this multi-way valve?
A1: It features 6 main working spools + 1 auxiliary spare spool for hydraulic attachment upgrades.
Q2: Can this valve fix poor hydraulic operation problems?
A2: Yes. It thoroughly resolves weak lifting, slow movement, jitter, hydraulic drift and oil leakage failures.
