- The primary advantage of using a double oil seal is its ability to protect against both external and internal leaks. External leaks can lead to loss of lubricant,, and potential safety hazards. Internal leaks, on the other hand, can compromise the integrity of the system by allowing contaminants into the lubricant, potentially causing damage to sensitive components.
- One of the key advantages of iridium spark plugs is their exceptional ability to withstand extreme temperatures. Iridium, a rare and highly conductive metal, has a melting point that is significantly higher than that of traditional platinum or nickel alloy spark plugs. This means that iridium spark plugs can handle the intense heat generated by modern engines without sacrificing performance or longevity.
Figure 3: Sealing function of main lip radial load
* KOYO is a registered trademark of JTEKT.
Figure 4 shows the features of a JTEKT oil seal.
In motor vehicles, spark plugs play a critical role in igniting the air-fuel mixture within the engine cylinders. High-quality iridium spark plugs are designed to provide reliable ignition, efficient combustion, and consistent performance, contributing to the overall efficiency and longevity of the vehicle. The use of iridium spark plugs in motor vehicles can lead to improved throttle response, smoother acceleration, and reduced emissions, enhancing the driving experience and environmental impact.

PTFE Oil Seals - A relatively new and exciting oil seal, the use of polytetrafluoroethylene means that they can withstand dry or unlubricated operations. With a massive thermal range of -130ºC to +200ºC and a strong resistance to chemicals, they are considered to be the future of rotary shaft seals.
The price of oil seals can vary based on several factors, including the type of seal, material quality, size, and market demand. High-quality oil seals designed for specific industrial or automotive applications may command a higher price due to their precision engineering, durability, and compatibility with various machinery and equipment. When considering the price of oil seals, it's important to prioritize quality and reliability to ensure optimal performance and longevity in the intended application.
H7 or H8
2. If the nominal bore diameter exceeds 400 mm:
H7

shaft oil seal. This is crucial in many industries, such as automotive, manufacturing, and aerospace, where the loss of fluids can lead to equipment failure and costly repairs. In addition to preventing leaks, shaft oil seals also help to extend the lifespan of the machine by reducing wear and tear on the components.
2) Oil seals for steel production equipment
Recognizing and avoiding common installation mistakes is key to the longevity and effectiveness of oil seals. Here are some frequent errors to watch for:
Prepare the shaft and prevent damage
What should you take into account when selecting an oil seal? Different types of oil seals and various types of materials are available, each designed for specific uses. It is also important to select the right size of oil seal for the best results. For this reason, selecting the right oil seal requires adequate understanding of the application in which it will be used.