Great Oil Resistance Hitachi Excavator EX120-1 Hydraulic Cylinder Seal Kit

Product Description

The Great Oil Resistance Hitachi Excavator EX120-1 Hydraulic Cylinder Seal Kit is used to seal up the gap between different parts of the hydraulic cylinder. They can be used under high pressure and also can be used between the head and the connecting rod when the rod and cylinder seal are reciproing. We usually call them as BOOM / ARM / BUCKET cylinder seal kit.

Premium hydraulic cylinder seal kit specifically engineered for Hitachi EX120-1 excavators. Designed to deliver outstanding performance in demanding conditions, this comprehensive seal set ensures reliable operation, superior oil resistance, and extended service life. Perfect for professional repairs and maintenance of Hitachi excavator hydraulic systems.

Technical Specifications

· Application: Hitachi EX120-1 Excavator Hydraulic Cylinder Systems
· Seal Type: Complete Seal Set for Cylinder Overhaul
· Place of Origin: Global Manufacturing Standards (China/Japan/USA)
· Temperature Range: -30°C to +120°C
· Lead Time: 3-8 days after payment confirmation

Included Seal Elements

• Piston U-Seal
• Piston Buffer Ring
• Piston Seal
• Wear Ring
• Dust Ring
• O-Ring
• Backup Ring
• U-Seal Backup

Material Composition

· TPU (Thermoplastic Polyurethane): Superior wear resistance and durability
· NY (Nylon): High mechanical strength and stability
· NBR (Nitrile Rubber): Excellent oil and fuel resistance
· PTFE (Polytetrafluoroethylene): Low friction and chemical resistance

Key Features

·  Exceptional Oil Resistance: Superior performance in hydraulic oil environments
·  High Temperature Resistance: Reliable operation in extreme heat conditions
·  Excellent Elasticity: Maintains sealing integrity under dynamic pressure
·  Advanced Sealing Performance: Minimizes leakage under high-pressure conditions
·  High Efficiency: Optimized for reduced friction and energy savings
·  Multi-Material Design: Each material selected for specific performance characteristics

Performance Benefits

· Restores hydraulic cylinder to original performance standards
· Reduces fluid leakage and system contamination
· Extends equipment service life with minimal downtime
· Provides reliable operation in extreme temperature conditions
· Ensures perfect compatibility with Hitachi EX120-1 excavator models

Packaging & Quality

· Inner Packaging: Protective PP bag for moisture and contamination protection
· Outer Packaging: Sturdy carton box for secure shipping
· Quality Assurance: Manufactured to international quality standards with rigorous testing

Applications

· Hitachi EX120-1 excavator hydraulic maintenance
· Construction equipment repair and overhaul
· Preventive maintenance programs
· Hydraulic system refurbishment projects

Excavator Hydraulic Seal Kit Element Components

Related Excavator Number:

EX60-1EX60-2 /3EX60-5 / 60LC-5 / 70-5EX100-1EX100-2 / 100-3 / 100-5EX120-1EX120-2 / 120-3EX120-5EX200-1EX200-3 / 200-5EX210-5 / 225-5EX220-1EX220-3 / 220-5 / 230-5EX270EX270-5EX300-1 / 300-2 / 300-3EX300-5 / 350-5 / 350 / 360-5EX400-1 / 450-5EX470EX600-5

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

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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.