PC200‑6 Multi‑way Control Valve for Komatsu PC200‑6 20‑ton excavator spare parts

Short Description:

The PC200‑6 multi‑way control valve is an original Komatsu integrated main control valve specially matched for Komatsu PC200‑6 20‑ton excavator hydraulic system. Precisely calibrated for the original main pump displacement and engine power output parameters of PC200‑6 excavator, it acts as the core hydraulic flow distribution hub of the whole machine. This valve distributes hydraulic power for boom, arm, bucket, travel and swing mechanisms, realizing smooth compound‑action coordination, stable constant‑pressure flow output and full‑system overload safety protection. Optimized for earth‑moving projects, quarrying operations, foundation excavation, site backfilling and long‑time heavy‑load cyclic working conditions, it features robust integrated structure, responsive spool action, low internal pressure loss and reliable anti‑pollution performance, ensuring stable and high‑efficiency operation of Komatsu PC200‑6 excavator under heavy‑duty construction scenarios.

Product Detail

Product Tags

description

The PC200‑6 multi‑way control valve adopts Komatsu original heavy‑duty integrated multi‑valve‑block structure, equipped with factory precision hardened spool assembly and complete built‑in hydraulic control components including main overflow valve, secondary overflow valve, pressure compensation valve and shuttle valve. Adopting mature pressure‑compensation flow‑control logic, it maintains stable flow supply under heavy‑load fluctuating conditions, effectively restraining action jitter, speed deviation and unsmooth linkage during compound movements. The valve body is integrally cast with high‑strength thickened alloy cast iron; internal spool‑sleeve pairs go through ultra‑precision grinding and surface hardening treatment for outstanding wear‑resistance and impact resistance. All finished valves pass strict factory hydraulic pressure resistance test, micro internal‑leakage inspection and full‑load continuous‑operation simulation verification. Compared with ordinary non‑calibrated replacement valves, genuine Komatsu PC200‑6 multi‑way valve delivers superior pump‑valve matching performance, lower hydraulic heat generation, sensitive dynamic response and better long‑term stability, effectively improving typical faults such as insufficient digging force, sluggish movement, walking deviation and system over‑heating.

product parameters

Brand: KOMATSU Genuine Original
Model: PC200‑6
Product Name: Multi‑way Main Control Valve Assembly
Applicable Equipment: Komatsu PC200‑6 20‑ton excavator
Structural Type: Heavy‑duty integrated multi‑spool valve, pressure‑compensation hydraulic control
Core Structure: Reinforced integral alloy valve body, precision hardened spool assembly, main overflow valve, secondary overflow valve, pressure compensation valve, shuttle valve, precision pilot oil port, large‑flow main oil inlet and outlet, independent single‑circuit overload‑protection valve
Main Material: High‑strength thickened alloy cast‑iron valve body, wear‑resistant alloy spool, high‑precision anti‑wear valve sleeve, high‑pressure anti‑aging sealing parts, original hydraulic control components
Core Function: Full‑machine hydraulic flow distribution, compound‑action balance adjustment, system pressure limiting and overload protection, fast pilot‑signal response under heavy‑load condition
Working Characteristics: Stable pressure compensation, low internal pressure loss, minor internal leakage, robust structure, low‑noise operation, excellent anti‑fatigue and anti‑pollution performance
Working Condition Adaptation: Suitable for earth‑moving construction, quarry work, foundation excavation, earth backfilling and long‑time heavy‑load cyclic operation
Matching Parts: Main hydraulic pump, hydraulic cylinder, travel & swing motor, pilot valve, high‑pressure hydraulic pipeline, hydraulic oil tank and filter elements

advantages

- Adopts exclusive original hydraulic calibration for Komatsu PC200‑6, achieving outstanding pump‑valve‑engine matching and stable power output under heavy‑load working conditions.
- Built‑in multi‑group pressure‑compensation and overflow‑protection components buffer heavy‑load hydraulic impact and prevent system over‑pressure damage.
- Precision hardened spool‑sleeve pairing reduces internal wear and micro leakage, maintaining steady working pressure during long‑hour continuous heavy‑duty operation.
- Optimized large‑flow internal channel structure lowers hydraulic resistance and heat accumulation, mitigating system over‑heating risk for long‑time construction.
- Independent single‑circuit overload‑protection design provides reliable overload defense for boom, arm and bucket cylinders under impact‑load conditions.
- Original high‑pressure aging‑resistant sealing structure avoids oil leakage and pressure‑relief failure for long‑term harsh‑site service.
- Standard original installation dimensions support 1:1 non‑destructive direct replacement without modification, shortening maintenance downtime and cost effectively.

maintenance & replacement tips

  • Regularly inspect valve body joint surfaces, oil port connectors and high‑pressure pipelines to eliminate oil‑leakage risks caused by long‑term vibration and frequent start‑stop operation of PC200‑6 excavator.
  • Replace hydraulic oil and filter elements strictly according to the original maintenance cycle to prevent dust and hard‑particle impurities from scratching precision spool pairs and causing insufficient flow and weak digging power.
  • Use qualified genuine clean hydraulic oil to avoid oil deterioration leading to valve jamming, unbalanced action speed and disordered hydraulic logic.
  • Regularly detect pilot pressure and main system pressure to ensure the multi‑way valve operates within the standard heavy‑load pressure range for Komatsu PC200‑6.
  • Avoid long‑term over‑pressure overload operation and frequent violent impact excavation to prevent premature fatigue damage of internal precision components.
  • In case of weak excavation force, sluggish compound action, walking deviation, serious internal leakage and system high temperature, replace the genuine PC200‑6 multi‑way valve in time to restore full hydraulic performance of the excavator.

warehouse

We have built four spare parts warehouses in Xuzhou, Jining, Kunshan and Changsha to provide customers from all over the world with a variety of high-quality spare parts. We can basically ship self-provided spare parts within three days after confirming the order. If the spare parts need to be adjusted or processed, they will be shipped within 7-30 days.

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Pack and ship

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