ZAX230 ZAX240 ZAX330 Center Joint Seal Kit TPU NBR Bob Seal Kit

Product Details

Product Overview: Premium Excavator Center Joint Seal Kit

Compatible Models: ZAX230, ZAC240, ZAX330 Excavators Product Type: Center Joint Seal Kit (Swing Circle Seal Kit)

Ensure the longevity and peak performance of your excavator with our premium Center Joint Seal Kit. Specifically engineered for ZAX230, ZAC240, and ZAX330 models, this kit provides a complete sealing solution to prevent hydraulic fluid leaks, maintain pressure, and protect the critical center joint assembly from wear and contamination. It is the ideal choice for maintenance professionals who demand reliability and durability.

Detailed Specifications & Features

· Precision Compatibility:
  · This seal kit is meticulously designed to be a direct replacement for the center joint (swing circle) of Hitachi ZAX230, ZAC240, and ZAX330 excavators. Its standard specifications ensure a perfect fit and easy installation, restoring your machinery to its original performance standards.
· Exceptional Material Engineering:
  · Constructed from a advanced composite of TPU (Thermoplastic Polyurethane), NBR (Nitrile Butadiene Rubber), and PTFE (Polytetrafluoroethylene). This combination leverages the best properties of each material:
    · TPU: Provides outstanding abrasion resistance, tear strength, and mechanical durability.
    · NBR: Offers excellent resistance to oils, fuels, and hydraulic fluids, ensuring longevity in a typical excavator environment.
    · PTFE (Teflon): Known for its extremely low friction coefficient and high-temperature resistance, it ensures smooth operation and superior sealing.
· Superior Performance Under Pressure:
  · With a maximum working pressure of 30 MPa (approx. 4,350 psi), this seal kit is built to handle the intense pressures of modern hydraulic systems. It guarantees a strong, reliable seal that prevents blow-outs and leaks, even under the most demanding working conditions.
· Extreme Temperature Resilience:
  · Engineered to perform flawlessly in a wide temperature range from -30°C to +100°C (-22°F to +212°F). Whether you're operating in freezing winter conditions or scorching summer heat, these seals will remain flexible and effective, ensuring consistent performance.
· Optimized Hardness for Durability:
  · Featuring a 70-90 Shore A hardness rating, the seals strike the perfect balance between flexibility for easy installation and rigidity to resist extrusion, deformation, and wear over time.
· Uncompromising Quality:
  · Every seal in this kit is manufactured to top-quality standards. We use precision molds and rigorous quality control checks to ensure each component meets exact OEM specifications for dimensions, tolerances, and performance.
· Visual Identification:
  · The physical appearance of the seals matches the product images shown. The color and design are as displayed, allowing for easy visual verification before installation.

Applications & Benefits

· Prevents Costly Downtime: A leaking center joint can halt an entire project. This kit provides a complete repair solution to get your equipment back to work quickly.
· Maintains Hydraulic Efficiency: By ensuring a perfect seal, it maintains optimal hydraulic pressure, which is crucial for efficient machine operation and power.
· Protects Vital Components: Keeps contaminants out and hydraulic fluid in, protecting the expensive center joint assembly from premature wear and damage.
· Ideal for: Routine maintenance, overhaul projects, and repair jobs for the specified Hitachi excavator models.

Ordering Information

· Minimum Order Quantity (MOQ): 2 sets
· Packaging: Securely packaged to prevent damage during shipping.
· Contents: This is a complete kit containing all necessary seals and O-rings required for a full center joint reseal.

Related Excavator Number:

  Company Profile

Guangzhou Midao (Mido) Oil Seal is a leading supplier specializing in high-performance oil seals and sealing solutions. Renowned for their durability and reliability, Midao's products are widely used in various machinery, from construction equipment (e.g., excavators) to industrial applications. The company serves a global clientele, providing critical components to the machinery industry worldwide.

The history of exhibition

2001 Beijing BICIS

2004 Shanghai Bauma

2005 Beijing BICIS

2006 Shanghai Bauma

2007 Beijing BICIS

2009 Beijing BICIS

2011 Beijing BICIS

2013 Beijing BICIS

2024 Moscow CTT

2024 Shanghai Bauma

FAQ

Q1. Why should I choose your products? 

While operating our own manufacturing facility, we also distribute oil seals from renowned international brands. We are committed to providing one-stop solutions to meet all our customers' diverse needs. Excavator/ Loader/ Motor Grader Seal kits and Spare Parts.

Q2. What series of products does your company have?

Excavator/ Loader/ Motor Grader Seal kits and Spare Parts.

Q3. Any other good service your company can provide? 

Yes. Conduct regular follow-up visits, and there are dedicated staff available online 24 hours a day

In the era of digital office, our company is committed to providing customers with comprehensive and efficient service experiences. The "Online Specialist Response" is a key component of this commitment.