EX120 Pin Cover for Hitachi Excavator spare parts

EX120 Pin Cover for Hitachi Excavator spare parts Featured Image
  • EX120 Pin Cover for Hitachi Excavator spare parts

Short Description:

The EX120 Main Valve Pin Cover is an upgraded thickened dust-proof protective cap specially customized for the spool pin positions of Hitachi EX120 original multi-way main control valves, perfectly matching the 12-ton medium-small classic excavator EX120.

Product Detail

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description

The EX120 Main Valve Pin Cover is manufactured with upgraded thickened high-density toughened mining-grade composite material, specially optimized for the medium-load bearing, frequent vibration and complex working condition switching characteristics of Hitachi EX120 12-ton excavator main valve. Compared with original thin-wall ordinary protective caps and universal standard caps, the wall thickness and structural toughness are comprehensively upgraded, with excellent tear resistance, impact resistance and anti-aging fatigue stability. It maintains stable permanent elasticity without hardening, deformation, cracking or falling off under long-term cyclic construction vibration, mud soaking and gravel scouring. The material formula is added with high-efficiency anti-UV, anti-aging, anti-scouring and anti-corrosion auxiliary components, and the surface adopts multi-layer reinforced heavy-duty anti-fouling treatment, fully adapting to harsh environments such as long-term outdoor sun exposure, thick mud accumulation and construction gravel impact. The integrated thickened reinforced full-wrapping structure perfectly fits the matching gap of EX120 valve core pin shaft, achieving ultra-high zero-gap tight fitting and full-range sealing effect.

product parameters

Product Model: EX120 Main Valve Pin Cover (Medium-small Excavator Heavy-duty Thickened Version)
Product Type: 12-ton Medium-small Excavator Multi-way Main Valve Spool Pin Dust-proof Protective Cap
Applicable Equipment: Hitachi EX120 12-ton medium-small classic excavator
Structural Feature: Thick-wall Reinforced Integral Molding, High-elastic Ultra-tight Fit, Super Tear-resistant, Anti-impact, Long-term Anti-aging, Full Sealing Dust and Mud Proof
Core Material: Upgraded Thickened High-toughness Modified Rubber-plastic Composite Material
Working Characteristics: Medium-load Resistant, High-frequency Vibration Resistant, High Wear-resistant, Anti-corrosion, UV-resistant, No Deformation or Falling Off Under Long-term Complex Construction Conditions
Core Function: Isolate Construction Dust, Thick Mud and Gravel Impurities, Protect EX120 Main Valve Precision Pin Shaft Assembly, Stabilize Hydraulic Response, Reduce Hydraulic Jitter and Drifting Faults
Applicable Working Conditions: Municipal Construction, Road Renovation, Housing Foundation Excavation, River Dredging, Earthwork Backfilling, Medium and Small Quarry Operation
Supporting Matching Parts: EX120 original multi-way main control valve, valve core pin shaft, valve body assembly

advantages

  • Exclusive EX120 Dedicated Size: Precisely developed according to the original installation standard of EX120 series main valve, with thickened reinforced snap-on structure and stable and strong clamping force. Zero-gap tight fitting after installation, effectively blocking construction dust, muddy water and fine gravel impurities from penetrating into valve core pin gaps.
  • Upgraded High-toughness Thickened Material: Adopts engineering-grade thickened composite material formula, comprehensively improving anti-aging, anti-fatigue and anti-tearing performance compared with original ordinary thin-wall caps, perfectly adapting to long-term frequent vibration and complex municipal and earthwork construction conditions.
  • Full-range Sealing & Stable Hydraulic Protection: Thickened full-wrapping structure completely covers EX120 valve core pin matching gaps, locks internal hydraulic grease for a long time, keeps the valve body precision fitting surface clean and well-lubricated, and solves common minor faults such as slow hydraulic response and working device jitter caused by impurity accumulation.
  • Strong Multi-scenario Adaptability: Optimized anti-scouring, anti-corrosion and anti-ultraviolet performance, resisting outdoor long-term sun exposure, mud soaking and construction gravel impact, fully suitable for all conventional municipal, earthwork and small quarry construction scenarios.
  • Tool-free Quick Replacement & Efficiency Improvement: Standard snap-on plug-and-play design without modification and debugging, fast on-site disassembly and replacement, effectively reducing equipment downtime loss and improving overall construction efficiency.
  • Reduce Long-term Operation and Maintenance Costs: Effectively protect EX120 main valve core and pin shaft vulnerable precision parts, avoid premature valve body jamming and damage, reduce frequent minor faults and expensive maintenance losses, and lower the overall operating cost of classic EX120 excavators.

FAQ

  • Q1: Is this pin cover dedicated for EX120 excavator?
  • A: Yes, this product is an exclusive upgraded thickened heavy-duty model specially developed for Hitachi EX120 original main control valve, with unique model-specific precise dimensions, and cannot be interchanged with other Hitachi series or other brand valve pin covers.
  • Q2: Can it be used on other 12-ton excavators?
  • A: Not universally applicable. This pin cover is customized for the exclusive structural size of EX120 main valve pin shaft. Other 12-ton models have different valve body structures and sizes, and mixed use will cause poor fitting, dust and mud leakage, and easy detachment.
  • Q3: When to replace the EX120 pin cover?
  • A: Timely replacement is required when the original protective cap has aging hardening, cracking damage, elastic failure, loose clamping and frequent falling off after long-term construction operation.
  • Q4: Does installation require drilling or modification?
  • A: No drilling, modification or debugging is required. It matches the original factory standard snap-on size, plug-and-play, firm and tight after installation, no loosening under long-term working vibration.
  • Q5: How to extend the service life of EX120 pin cover?
  • A: Regularly clean surface construction dust and mud stains, avoid long-term thick mud soaking and wrapping, keep the valve compartment clean and ventilated, and adhere to regular hydraulic oil replacement and grease maintenance to maximize the service life of the pin cover and valve body assembly.

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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our warehouse

Pack and ship

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