Hydraulic Seals Element
Tian Jin Natebell Sealing Technology Co.,ltd. was founded in 2009, mainly engaged in construction machinery, excavators, hydraulic hammers and other sealing products. Annual output value of 100 million yuan. Registered trademarks are KEDIAS, B.K.S brand, but also the NOK contracted dealers. We have developed more durable and suitable sealing materials for various harsh working conditions, focusing on providing you with comprehensive hydraulic sealing system solutions. Additionally, we have a perfect, scientific quality management system, as well as proper after-sales service. As one of the leading oil seal manufacturers and suppliers in China, all of our customized products are with high quality and competitive price. We are your trusted partner, providing high-end products and making you different!
Why Customers Choose Us?
High Quality
Based on material development, combined with decades experience on seals design, production and application, all products are verified with professional laboratory and bench testing. We have a perfect QC system for the perfect products. A team who will detect the product quality and specification piece carefully, monitoring every production process until packing is complete, to ensure product safety into container. Additionally, we have independently developed the KEDIAS brand Breaker hammer seal and jointly developed a sealing structure with high temperature resistance, focusing on providing you with comprehensive hydraulic sealing system solutions.
Professional Team
At present, our company has more than 70 employees, including 10 graduate degree, more than 40 bachelor's degree. With the Hebei University of Technology School of Materials, we jointly develop materials with high temperature, super wear-resistant, longer service life sealing structure.
Advanced Equipment
Our company is a comprehensive enterprise with perfect sealing research and development and production capacity. The company has a total of 24 turning and sealing machine tools, 15 injection molding machines, 6 PTFE hydraulic presses, various rubber vulcanizing machines, and the company's independently developed guide belt production line. Also we have clear division of labor, strict quality inspection and a full set of storage system.
Rich Experience
Parker Seals has involved in the research and development, production, manufacturing and sales of construction machinery seals more than 15 years. We have become experts in hydraulic breaker parts and excavator components. Rely on our knowledge and expertise to find the right parts for your equipment.
Wide Market
At present, we have more than 3,300 dealers nationwide, and now cooperate with XCMG, SANY ZHONGLI, EDDIE PRECISION, BELITE, BEST, DAEKKO and other large construction machinery Original Equipment Manufacturer. And exported to the Middle East, Southeast Asia, Africa and other 40 countries and regions.
Superior Service and Logistics
We understand the importance of timely repairs and maintenance. Our customer service team is available and dependable to provide support and solutions to customers at all times. Benefit from our fast and reliable delivery service, ensuring that your hydraulic breaker parts and excavator components arrive on time.
Brief Introduction to Hydraulic Seals Element
Hydraulic seals are crucial components in hydraulic systems, serving to create a tight seal between stationary and moving parts, ensuring that the pressurized fluid remains within the designated areas of the system. These seals are typically made of elastomeric materials or metal alloys, depending on the specific application and working conditions. Additionally, these seals are carefully designed and manufactured to withstand the high pressures and temperatures encountered in hydraulic systems, while also resisting wear and tear caused by friction and contamination.
The Types of Hydraulic Seals Element
Piston Seals
Piston seals, also known as piston rings, are mechanical seals that reduce leakage between components in a reciprocating motion. Therefore, the primary function of a hydraulic piston seal is to form a seal between the cylinder tube and piston, preventing the leakage of lubricants and gases. Piston seals are used in various applications, such as air compressors, hydraulic pumps, and internal combustion engines. As critical components in any reciprocating system, they ensure the efficient movement of the parts while keeping the system sealed and maintaining the pressure within.
Wiper Seals
Wiper seals keep dirt, debris, and other contaminants from entering a system or machine. They are typically used for applications such as hydraulic cylinders, pumps, and valves and can be made from various materials, including rubber, polyurethane, and thermoplastic elastomers. Designed with a lip that scrapes the system's surface when it moves, they eliminate any particles that may have accumulated.
Additionally, wiper seals provide an extra barrier against entering liquids and gases.
Rod & Buffer Seals
Hydraulic rod seals consist of a metal rod inserted in a rubber or plastic sealing element. The sealing part conforms to the rod surface, creating a tight seal that prevents internal pressure from escaping and external contaminants from entering the cylinder. In addition, the buffer seal cushions the rod from shock and vibration, increasing the life of the cylinder and its components. Rod and buffer seals are suitable for mobile and industrial applications, such as agricultural and construction equipment, where they are exposed to dirt, dust, and moisture.
Lip Seal
Depending on the use, the lip design on any given seal will differ. Many seals have what are known as "lips" as part of their design. This is true of radial, rotary, and linear shaft seals as well. The basic functions of a lip seal (also known as a radial or rotary seal) are to keep lubricants in, contaminants out, pressure contained, and fluids separated. They are commonly employed with rotary, reciprocating, and oscillating shafts.
Dust Seal
The dust seal in a hydraulic hammer refers to a specific type of seal designed to prevent the ingress of dust and debris into the hydraulic system of the hammer. The dust seal is typically made of elastomeric materials or other durable materials that can withstand the harsh operating conditions and resist wear.
Gas Seal
The gas seal in a hydraulic hammer is a specialized sealing mechanism designed to prevent the leakage of pressurized gas within the hammer's hydraulic system. The gas seal plays a crucial role in ensuring the integrity and efficiency of the hydraulic hammer's operation. It is typically made of durable materials that can withstand the high pressures and temperatures encountered in the hammer's hydraulic system.
O-Ring
The O-ring is a circular sealing element typically made of elastomeric material. It is designed to fit snugly into a groove or recess in the hydraulic hammer's components, creating a seal that prevents fluid leakage. The O-ring's elastomeric properties allow it to deform and conform to the shape of the groove, providing a tight seal even under pressure. It helps to maintain the hydraulic pressure within the system, ensuring efficient and reliable operation of the hammer.
Main Functions of Hydraulic Seals Element




Pressure Adaptability and Contamination Prevention
Hydraulic seals are designed to function with both low-pressure and high-pressure. Furthermore, they prevent contamination by acting as a barrier to keep dirt out.
Controlling Leaks and Preventing Blowouts
Hydraulic seals are designed to create a pressure-tight seal around the piston rod, reducing friction and preventing leaks and blowouts. They are made from unique materials that resist wear from hydraulic fluid and feature a lip to create a positive seal around the piston rod.
Cost-effectiveness and Easy Maintenance
Hydraulic seals are designed to reduce the cost of parts and labor, be resistant to wear and tear, and require minimal maintenance. They are easy to install and replace and provide a high level of performance, making them a cost-effective and low-maintenance solution for hydraulic systems.
High Durability and Adaptability
Manufacturers around the globe make high-quality hydraulic cylinder seal kits that provide durability and a long lifespan. Constructed from top-notch materials, these advanced seals are engineered to withstand harsh conditions and keep the machinery running smoothly.
Safe and Water Resistance
Renowned for resisting water, chemicals, and wear and tear, hydraulic seals are a popular choice for mining businesses that want to speed up mineral extraction. They are also safe to use in various industries, such as those producing pharmaceuticals and chemicals.
What Materials Are Used in Hydraulic Seals Element?
Rubber
A hydraulic rubber seal is suitable for applications requiring high flexibility and compressibility. Nitrile butadiene rubber (NBR), fluoroelastomer (FKM), and hydrogenated nitrile butadiene rubber (HNBR) are popular materials used to create these seals due to their resistance to grease, mineral oils, and other hydraulic fluids.
Polytetrafluoroethylene
PTFE has remarkable durability when exposed to extreme temperatures, pressures, and caustic chemicals. Its low coefficient of friction means it requires less lubrication than other seals, and it can perform effectively even when used dry.
Rigid Plastics
Plastic hydraulic seals offer resistance to temperature, pressure, and chemical reactivity and come in various materials. The strength of seals can be improved by utilizing engineered plastics instead of commodity plastics. Plastic seals are much more rigid than rubber or PTFE seals, providing additional power to the cylinder.
Thermoplastic Elastomers
TPEs offer excellent strength and flexibility, making them ideal for hydraulic seals. They are highly resistant to abrasion and tearing and can keep constant pressure for extended periods. Their combination of plastic and rubber properties makes them an excellent choice for components that require durability and elasticity.
Benefits of Hydraulic Seals Element
Prevent dirt from entering any internal part of a mechanical system.
It can have a design that allows it to work in low and high pressure system operations.
Prevent any leakage, thereby reducing any chances of repair or downtime.
Affordable and require simple maintenance.
They are highly adaptable and durable.
Capable of resisting wear and tear as well as water and chemicals.
Capable of reducing blowouts on oil plants to a greater extent.
A hydraulic seal can be changed within a short time (a few minutes).
They are designed to offer long services.
Key Factors to Consider When Choosing Hydraulic Seals Element
Pressure
The hydraulic hammer operates under high pressure, so the seals must be able to withstand these pressures without leaking or failing.
Temperature
The seals must be able to operate within the range of temperatures encountered in the hydraulic system. Extremely high or low temperatures can affect the seals' performance and durability.
Friction and Wear
The seals are subject to friction and wear due to the movement of components within the hammer. Therefore, they must have excellent wear resistance to maintain a tight seal over time.
Material Compatibility
The seal material must be compatible with the hydraulic fluid used in the hammer. Some materials may swell, degrade, or harden when exposed to certain fluids, affecting their sealing ability. The material should also be resistant to corrosion and chemical attack from other components or contaminants in the system.
Size
The seals must have the correct size and shape to fit snugly into the grooves or recesses provided in the hammer's components. Improper sizing or fitting can lead to leakage or premature wear. The seals should also be easy to install and remove, allowing for quick and efficient maintenance.
Durability and Longevity
The seals should be designed to last for the expected lifespan of the hydraulic hammer, withstanding the rigors of repeated use and exposure to harsh conditions. High-quality seals typically have longer lifespans and require fewer replacements, reducing maintenance costs and downtime.
Maintenance of Hydraulic Seals Element
Regular Lubrication
Ensuring adequate lubrication will minimize friction and prevent wear and tear on the seal. Use only compatible lubricants as per the seal material to avoid chemical erosion.
Routine Inspection
Regularly inspect the seals for signs of wear, damage, or leakage. Pay attention to any changes in seal appearance, such as cracking, swelling, or discoloration. If any issues are observed, replace the seals promptly.
Proper Cleaning
Dirt, grime, and debris can damage the sealing surface, leading to leaks. Regular cleaning of the seal and surrounding areas can help prevent this. Use clean, lint-free cloths or brushes to remove any debris, and ensure that all cleaning solutions are compatible with the seal material.
Installation and Removal
When installing or removing seals, follow the manufacturer's instructions carefully. Use the correct tools and techniques to avoid damaging the seals or their surrounding components. Improper installation can lead to premature failure or leakage.
Replacement Schedule
Establish a regular replacement schedule for seals based on the manufacturer's recommendations and the operating conditions of the hydraulic system. Replacing seals before they fail can prevent unexpected downtime and costly repairs.
System Maintenance
In addition to seal maintenance, regularly maintain the entire hydraulic system. This includes checking fluid levels, replacing filters, and cleaning and adjusting valves and pumps. A well-maintained system will provide a better environment for the seals to operate effectively.
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