Tian Jin Natebell Sealing Technology Co.,ltd.

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tjnatebell@parkerseal.net

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PARKER Oil Seal

Parker Seals: Your Professional Parker Oil Seal Supplier

 

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 Parker Oil Seal

 

 

An oil seal is a physical barrier and they are essentially simple devices used in rotary shaft equipment to prevent lubricant from escaping and for excluding contaminants such as dust, dirt and water. An oil seal’s most important function, however, is that it protects every type of ball, sleeve and roller bearing in the rotating shafts. The seals also prevent the integration of two different fluids that shouldn’t mix, such as oil and water.

The Types of Parker Oil Seal

 

O-Ring
The O-ring is a simple yet effective sealing element with a circular cross-section. They are usually made of an elastic material, such as rubber or silicone, and are used to fill and seal the gap between two parts. O-rings are widely used in crusher hydraulic systems, cylinders and other interfaces that require sealing.

 

V-Ring
V-rings have a V-shaped cross-section and are usually used in high-pressure or high-speed rotation applications. They can provide higher sealing pressure and better wear resistance, and are suitable for shaft sealing parts in crushers that are subject to greater pressure and speed.

 

Labyrinth Seal
A labyrinth seal utilizes a series of tortuous channels to prevent leakage of liquid or gas. They are often used on crusher rotating parts, such as shafts and bearings, to reduce the potential for leaks by creating complex paths.

 

Mechanical Seal
The mechanical seal consists of a rotating part and a stationary part, forming a seal through mutually fitting sealing surfaces. They are suitable for high-pressure, high-speed and high-temperature working environments and can provide reliable sealing effects. They are often used in components such as pumps and motors of crushers.

 

Face Seal
Face seals form a seal through contact between two planes that move relative to each other. They are often used in applications that require high sealing performance but relatively mild operating conditions, such as certain low-pressure hydraulic systems in crushers.

 

J-Seal
The J-type seal has a special J-shaped cross-section design, allowing it to provide better sealing performance and longer service life. They are often used in components such as hydraulic cylinders and pistons in crushers to withstand the challenges of high pressure and high-speed movement.

Main Functions of Parker Oil Seal
1

Fluid Leakage Prevention
Oil seals are designed to create a tight seal between the moving parts of the hydraulic breaker, such as the piston and cylinder, to prevent hydraulic fluid from leaking out of the system. This ensures that the hydraulic system maintains its operational efficiency and prevents potential damage to other components.

2

Lubricant Retention
Oil seals help retain lubricating oil within the hydraulic breaker, ensuring that the moving parts are adequately lubricated. This reduces friction and wear on the components, prolonging their lifespan and maintaining optimal performance.

3

Contaminant Exclusion
Oil seals act as a barrier against external contaminants, such as dust, dirt, and moisture, from entering the hydraulic system. By keeping these contaminants out, oil seals help maintain the cleanliness of the hydraulic fluid and prevent potential damage to sensitive components.

4

Pressure Maintenance
Oil seals help maintain the pressure within the hydraulic system. They prevent pressure loss by sealing off the hydraulic fluid and ensuring that it remains contained within the system. This is essential for the hydraulic breaker to generate the necessary force for breaking materials effectively.

5

Maintain System Stability
The sealing performance of the oil seal helps maintain the stability of the crusher transmission system. If the lubricating oil leaks too much, it will lead to insufficient lubrication of the transmission parts, which will lead to overheating, wear and even failure. The existence of the oil seal can ensure a stable supply of lubricating oil and enable the crusher to operate stably for a long time.

6

Improve Work Efficiency
Good sealing performance can reduce downtime and maintenance time caused by lubricant leakage and impurity entry, thereby improving the work efficiency of the crusher. At the same time, keeping the inside of the crusher clean and lubricated will also help improve the crushing effect and production efficiency.

Tips for Selecting Oil Seals
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Material Compatibility
Ensure the material of the oil seal is compatible with the type of hydraulic fluid used in your system. Different fluids may require different seal materials to prevent degradation and ensure a long service life.

 

Operating Conditions
Consider the operating conditions such as temperature, pressure, and any potential chemical exposures. Select oil seals that can withstand these conditions without failing.

 

Size and Fit
The oil seal must fit precisely to prevent leaks. Use manufacturer's specifications to select the correct size and type of seal for your hydraulic breaker.

 

Cost-effectiveness
While considering the price, you should also pay attention to the cost-effectiveness of the oil seal. While an inexpensive oil seal may seem like a good deal in the short term, its performance and lifespan may not meet requirements in the long term, resulting in higher maintenance costs and downtime.

 

Sealing Performance
Choose an oil seal with high sealing performance to prevent lubricating oil from leaking and external impurities from entering. Pay attention to check the lip design, resilience and cooperation with other seals of the oil seal.

 
Tips on Oil Seal Storage Before Installation
 

The following are a few simple tips for storing your oil seals in order to maintain their quality whilst preventing spoilage.

01/

Temperature
Ensure to store the seals that are not in use in the prescribed temperature range. Most times, the ideal temperature range shall be between 15°C and 25°C. Also, it is not recommended to store them near radiator, boiler or any heater, or in areas where they get direct exposure to sunlight.

02/

Humidity
Set a proper storage area where your seals do not expose to moisture content. In case such instances occur, you may slowly warm the oil seal to 20°C or to ambient temperature before using for sealing purposes.

03/

Cleaning
Suppose you are taking the oil seal after a long time of storage for applications, ensure to clean them gently before using. You are safe to do this with clean cloth and warm water; however, refrain from using sand paper or steel brush for cleaning purposes.

04/

Ozone
Be informed that ozone deteriorates seals. Hence, it must be protected from circulating air and stored away from electric motor, or mercury vapor lamps.Be informed that ozone deteriorates industrial seals. Hence, it must be protected from circulating air and stored away from electric motor, or mercury vapor lamps.

05/

Light and Radiation
Ensure not to store oil seals under direct light source with high UV radiation. It is always recommended to keep them inside packages that come with optimal UV protection and other radiation hazards.

06/

Contact with Chemicals and Metals
Your polymer seals must be safe from direct contact with oils, greases, different solvents, and other chemicals. Also, it is recommended to avoid direct contact with certain kids of metals like iron, copper and its alloys (brass), and manganese.

Maintenance and Inspection of Oil Seals
 

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 Inspections
Schedule regular inspections of the oil seals to spot any signs of failure, such as leakage, hardening, or visible wear. Catching issues early can prevent minor problems from escalating into significant failures.

 

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.

 

Monitor Operating Conditions
Keep track of pressure levels, temperatures, and shaft speed. Excessive fluctuations can signal something wrong and potentially harm the oil seal.

 

Replacement
Even with impeccable maintenance oil seals won't last forever. Understanding the typical lifespan of the oil seal type and material used in your machinery will help you plan for timely replacements.

8 Mistakes to Avoid When Installing or Replacing Oil Seals

 

 

Not Following the Instructions in the Manual
People often disregard instruction manuals quickly since there’s this notion that we can do it by ourselves. However, oil seals are fragile pieces of equipment that require care and specific instructions to follow before and after usage. Taking the time to read the installation manual will provide you with the step-by-step information to install or replace oil seals properly.

 

Not Using Enough Lubrication or Using the Wrong Type
Devices don’t last forever and will deteriorate eventually due to usage. Using machinery lubrication protects these machines from deterioration while maintaining their designed functions. However, using the wrong type or not applying enough lubrication can lead to machine damage, equipment failure, and leakage. It’s best to identify the correct type of lubrication designed for your machine. Minerals oils, often used in industrial applications, are typically applied to mechanical components like bearings, gears, slides, and threaded connections. This type of lubricant can also serve as the thermal fluid used in electric components like transformers and high-voltage switchgear. While synthetic oils are used for house repairs of doors and hinges, this lubricant requires fewer oil changes. It works well in environments with extreme temperatures due to its oxidation resistance.

 

Not Checking for Damage before Installing the Seal
Before starting the installation, carefully examine the seal for any defects. Make sure there are no cuts or tears around the circumference of the sealing lip, which are the two layers found in the inner part of the oil seal. Another thing to consider is the outer diameter of the oil seal. Any damage detected before installation disqualifies it from further usage.

 

Reinstalling a Used Seal
Never use the same seal for another project, as it may have defects like cracks or bubbles in the sealing lips from the previous usage. Going down this route will cause you more trouble compared with installing a fresh seal.

 

Working with Unclean Hands
Dirt on the seal face or oil from fingerprints can affect the integrity of the seal, while small particles cause wear and tear that destroys seal faces, causing leakage. Make sure to wash your hands before handling oil seals. Don’t unpack seals unless they’re ready for installation. Once opened, clean the seal faces before installing them on your equipment to prevent contamination. Also, ensure that your equipment, like workbenches and machines you’re installing the oil seal in, is clean. Having dirty equipment can impact the effectiveness of an oil seal.

 

Not Allowing the Oil Seal to Set or Cure
Oil seals need sufficient time to set and cure. Prematurely using your equipment with the newly installed oil seal can jeopardize the seal’s integrity, possibly causing damage to your machine. Refer to the instructions given to know the timeframe allotted for seals to set and cure.

 

Cost-cutting
Investing in high-quality seals will benefit you and your machine in the long run. It will be more costly to replace an oil seal due to purchasing cheaper alternatives constantly. Not to mention, the efficiency and quality of low-cost oil seals may not be reliable.

 

Not Securing the Seal
Failure to properly install an oil seal can cause malfunctions. Factors like tapping a seal into place may cause its spring to become tilted or misaligned in the bore. One method to identify improperly installed seals is checking for rough shearing of the rubber. To fix this, align the installation tools before positioning the seal in place.

 
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Ultimate Guide
 

Q: Why the oil seals leak?

A: Except for the storage conditions, the cleanliness and roughness on shaft/bore will affect the performance. The oil seals operate under the temperature and pressure, any contamination and hole can cause oil leaking after working for a while. Not correctly install by even pressure tooling can also easily caused leakage.

Q: What are the consequences of using damaged or worn-out oil seals in a hydraulic breaker?

A: Using damaged or worn-out oil seals can lead to hydraulic fluid leaks, reduced performance, increased wear on components, and potential damage to the hydraulic system. It is important to address any signs of seal wear or damage promptly to prevent further issues and maintain the breaker's efficiency.

Q: What precautions should I take when replacing oil seals in a hydraulic breaker?

A: Before replacing oil seals, it is essential to relieve hydraulic pressure and follow proper safety procedures. Wear appropriate personal protective equipment (PPE) and use the recommended tools for seal replacement. Additionally, ensure that the replacement seals are installed correctly, following the manufacturer's instructions.

Q: What are the common types of oil seals used in hydraulic breakers?

A: Rod seals: These seals are installed on the piston rod to prevent hydraulic fluid from leaking out of the cylinder.
Piston seals: These seals are located on the piston and create a tight seal against the cylinder wall.
Wiper seals: Wiper seals are used to clean the piston rod and prevent contaminants from entering the hydraulic system.
Guide rings/bands: These seals guide the piston and rod, ensuring smooth movement and preventing metal-to-metal contact.

Q: Do mechanical seal faces have to be lubricated? Can they run dry?

A: Generally, liquid lubricated seals should not be dry run regularly or for prolonged periods. However, some mechanical seals with a carbon face will tolerate marginal lubrication and short, intermittent periods of dry running. If the temperature at the mechanical seal faces becomes excessive due to insufficient heat dissipation then the liquid film between the faces can start to vapourise and become unstable. In this case the seal face materials will contact excessively and begin to wear rapidly under dry running conditions.

Q: How do I know when a mechanical seal has failed?

A: This depends on the mechanical seal type and the application, but generally a mechanical seal has failed if it is leaking excessively and/or cannot maintain the specified pressure. A mechanical seal can be considered to have failed if:
There is an excessive loss of sealed product.
The product or barrier fluid pressure cannot be maintained at the required level.
There is an excessive loss of barrier fluid.
There is an excessive flow of barrier gas.
There is excessive process contamination (barrier fluid, wear debris or other).

Q: Why flushing solution is needed for some of the mechanical seals?

A: There are some purposes below for using a flushing solution on the mechanical seals:
To lubricate and cool mechanical seals.
To remove foreign particles.
To remove carbon deposition and engrossed materials on mating surfaces.
Prevent seal from dry running.
To maintain the operational parameters of mechanical seals.

Q: What are the main components of the oil seal?

A: Oil seals have three basic components:
Sealing element: The sealing element constitutes the interior of the oil seal. Its purpose is to stop the fluid from leaking between the shaft and the housing. The materials typically used are fluorinated rubber, silicone, nitrile, and acrylic.
Metal case: The metal case serves as the frame of the oil seal. Its primary function is to give rigidity and strength to the seal. The material is selected depending on the environment where the seal is to be used.
Spring : The garter spring is a steel coil located at the end of the primary sealing lip. It is used to apply pressure to the sealing lip against the shaft. Typically, it is made of carbon steel or stainless steel.

Q: What is the key to maintaining oil seal performance?

A: Proper installation is key to effective oil seal performance. Improper installation can cause your oil seal to malfunction. While being tapped into place, it can become tilted or misaligned in the bore. One way to recognize an improperly installed seal is by checking whether or not there is uneven shearing of the rubber after use. If this is evident, adjust by aligning the installation tools properly before pressing the seal into place.

Q: What is an oil seal?

A: An oil seal, also known as a shaft seal or grease seal, is a mechanical device that prevents the leakage of lubricants and fluids from machinery components. These seals are typically made from rubber or other elastomeric materials. The design of an oil seal consists of two primary parts: the sealing lip and the metal casing. The sealing lip is responsible for creating a tight barrier between moving machine parts while allowing necessary movement to occur.

Q: What is an O ring?

A: An O ring, also known as a rubber seal or toric joint, is a mechanical gasket in the shape of a loop. It's commonly used to prevent leaks between two connecting parts by sealing them tightly together. The name 'O ring' comes from its circular shape that resembles the letter O. They're usually made from rubber or elastomers and come in different sizes depending on their application.

Q: When to use an oil seal or an O ring?

A: When it comes to choosing between an oil seal and an O ring, there are a few factors to consider. Firstly, the size of the gap that needs sealing is important. If the gap is small, then an O ring may be more suitable as it can fit into tight spaces easily. Oil seals are typically used for larger gaps and provide better protection against leaks. Another factor to consider is the type of fluid or material that needs sealing. Oil seals are designed specifically for use with oils and lubricants, while O rings can work with a wider range of fluids including water and gas. Temperature also plays a role in determining which type of seal to use. Generally speaking, oil seals are better suited for high-temperature applications while O rings perform well at lower temperatures.

Q: What is the difference between an oil gasket and an oil seal?

A: Gaskets seal a connection between two components or flanges that have flat surfaces, while seals are used between engine parts, pumps, and shafts that rotate. Gaskets are used wherever a union or flange is required to prevent leaking. Gaskets are most commonly used as static seals.

Q: Should I lubricate oil seals?

A: While the outside diameter of metal-cased seals can be lightly lubricated to ease installation, the outside diameter of rubber covered seals should always be lubricated. Seals with an auxiliary, contacting lip can also be filled with grease between the sealing lip and auxiliary lip to reduce frictional moment.

Q: What materials are oil seals commonly made of?

A: Oil seals are typically made of materials that are resistant to oil, heat, and wear. Common materials include rubber, polyurethane, and sometimes metals or composites. The choice of material depends on the specific application and operating conditions of the hydraulic breaker.

As one of the leading parker oil seal manufacturers and suppliers in China, we warmly welcome you to buy discount parker oil seal in stock here and get pricelist from our factory. All customized products are with high quality and competitive price.

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