HD820 Pin Cover for Excavator spare parts

HD820 Pin Cover for Excavator spare parts Featured Image
  • HD820 Pin Cover for Excavator spare parts

Short Description:

The HD1430 Main Valve Pin Cover is a heavy-duty thickened dust-proof protective cap specially customized for the spool pin positions of HD1430 series original multi-way main control valves, perfectly matching 70-ton large mining excavators.

Product Detail

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description

The HD820 Main Valve Pin Cover is manufactured with upgraded ultra-thick high-density toughened mining-specific rubber-plastic composite material, specially optimized for the ultra-heavy load, high-frequency vibration and strong impact working characteristics of HD820 80-ton large mining excavator main valve. Compared with ordinary standard caps and conventional heavy-duty protective caps, it has greatly improved wall thickness and structural rigidity, with top-level tear resistance, impact resistance and anti-fatigue stability. It maintains permanent stable elasticity without hardening, brittle cracking, deformation or falling off under long-term full-load strong vibration and sharp ore gravel high-frequency impact. 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 extreme harsh environments such as long-term open-pit mine sun exposure, thick mud accumulation and severe ore slag scouring.

product parameters

Product Model: HD820 Main Valve Pin Cover (Super Mining Heavy-duty Thickened Version)
Product Type: 80-ton Large Mining Excavator Multi-way Main Valve Spool Pin Dust-proof Protective Cap
Applicable Equipment: HD820 80-ton large mining excavator
Structural Feature: Ultra-thick Wall Reinforced Integral Molding, Super High-elastic Ultra-tight Fit, Extreme Tear-resistant, Super Anti-impact, Long-term Anti-aging, Full Sealing Dust and Mud Proof
Core Material: Mining-grade Upgraded Ultra-thick High-toughness Modified Rubber-plastic Composite Material
Working Characteristics: Ultra Super Heavy-load Resistant, Extreme Vibration Resistant, High Wear-resistant, Anti-corrosion, UV-resistant, No Deformation or Falling Off Under Long-term Mine Full-load Extreme Operation
Core Function: Isolate Dense Mine Dust, Thick Mud and Sharp Hard Ore Gravel, Protect HD820 High-precision Valve Core Pin Assembly, Prevent Hydraulic Hysteresis and Working Drifting Fault, Eliminate High-cost Valve Body Overhaul Risk
Applicable Working Conditions: Open-pit Mine Bulk Mining, Large Quarry Stone Breaking, Ultra-large Earthwork Filling, Foundation Deep Excavation, Long-term Full-load Extreme Continuous Operation
Supporting Matching Parts: HD820 original multi-way main control valve, valve core pin shaft, valve body assembly

advantages

  • Exclusive Large Mining Valve Custom Size: Precisely developed according to the original super-large heavy-duty installation specification of HD820 main valve, with ultra-thick reinforced snap-on structure and super strong clamping force. Zero assembly gap after installation, effectively blocking dense mine dust, thick mud and hard sharp ore gravel from penetrating into valve core pin gaps.
  • Mining-grade Ultra-tough Material Full Upgrade: Adopts mine-specific ultra-thick rubber-plastic composite formula, comprehensively upgrading extreme impact resistance, anti-hardening and anti-fatigue performance, adapting to long-term full-load extreme vibration and ultra-harsh dusty and muddy mining environments, maintaining permanent elasticity and never cracking or falling off.
  • Full-range Sealing Ultra-heavy Load Precision Protection: Thickened reinforced full-wrapping structure fully covers HD820 large valve core pin matching gap, permanently keeps the internal high-pressure high-precision fitting surface of the valve body clean and oil-sealed, avoids hydraulic hysteresis and working device drifting faults caused by impurity accumulation, and ensures ultra-stable and sensitive hydraulic control of large mining excavators.
  • Extreme Mine Environment Super Adaptability: Upgraded super anti-scouring, anti-corrosion and anti-ultraviolet performance, resistant to long-term strong sunlight exposure, thick mud long-time soaking and hard ore gravel high-frequency impact, perfectly adapting to all kinds of ultra-extreme open-pit mining heavy-load working conditions.
  • Tool-free Quick Installation & Maintenance: Super heavy-duty standard snap-on plug-and-play design without modification, fast on-site replacement, effectively shortening downtime of high-value large mining equipment and improving overall mine operation efficiency.

FAQ

  • Q1: Is this pin cover dedicated for HD820 main valve? A: Yes, this product is an exclusive super mining-grade ultra-heavy thickened model specially developed for HD820 original main control valve, with unique precise matching size, and cannot be interchanged with HD400-5, HD800, HD1430 or other tonnage series valve pin covers.
  • Q2: Can it be used on other large mining excavators? A: Not applicable. This pin cover is exclusively customized for the special super-large installation size of HD820 valve pin shaft. Other large-tonnage models have different valve body structures and sizes, and universal use will cause poor fitting, mud leakage and loose falling off.
  • Q3: When to replace the HD820 pin cover? A: Timely upgrade and replacement is required when the original protective cap has hardening, cracking, elastic failure, loose clamping and frequent falling off after long-term extreme heavy-load mining operation.
  • Q4: Does installation require modification or debugging? A: No modification, drilling or debugging required. Original super-heavy valve standard snap-on size, plug-and-play, tight and firm after installation, no loosening under long-term extreme strong mining vibration.
  • Q5: How to extend the service life of HD820 pin cover? A: Regularly clean surface dense mine dust and hard ore deposits, avoid long-term thick mud wrapping and soaking, keep the valve compartment clean and ventilated, and adhere to regular hydraulic grease maintenance to maximize the service life of the pin cover and HD820 valve 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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