- Environmental Factors: Consider external factors such as exposure to dirt, water, and other contaminants, temperature fluctuations, chemical exposure, and shaft speed. For example, oil seals that must withstand high-speed rotational motion, high-pressure conditions, or extreme temperatures require more durable and resilient materials.
3. Seal types and numbering system
- In conclusion, round gaskets and rubber play a vital role in the functioning of many industrial processes. Their ability to create a tight seal under a variety of conditions makes them indispensable in industries ranging from automotive to aerospace. While they may go unnoticed, the contribution of these unsung heroes to the smooth operation of machinery is immense. As technology continues to advance, we can expect to see even more innovative uses for round gaskets and rubber in the years to come.
6. AMOUNT OF LUBRICANT: Seals perform better when lubricated but some machines will go through some dry spells. When this occurs using a leather or PTFE seal will be more beneficial as those type of seals can operate with less lubrication.
Where to buy oil seals in the UK
When selecting industrial oil seals, it is essential to prioritize quality, durability, and compatibility with specific machinery and equipment. High-quality oil seals are designed to withstand the demanding conditions of industrial operation, providing reliable sealing solutions that contribute to the overall performance and safety of the machinery. Choosing reputable suppliers and manufacturers known for producing high-quality industrial oil seals is crucial to ensure the reliability and longevity of these critical components.
Both sealing types are popularly used in different mechanical engineering applications. How are they different? The article explains the fundamental working mechanism of both categories of seals.
2. Metal Case
IVEVO / VOLVO / SCANIA
Leather is probably the oldest of the lip materials still in common use, but the move towards mass production methods has seen a massive increase in the development of synthetic rubbers which lend themselves to accurate and repeatable injection and compression moulding. Nitrile (NBR) is still by far the most common elastomer for “normal” use, whilst Viton® (FKM/FPM) is rapidly replacing Polyacrylate (ACM) and Silicone (VMQ) for high-temperature applications. Viton® also has high resistance to abrasion and chemical attack making it a preferred elastomer. Recent developments in the use of PTFE for Rotary shaft seals has caused widespread interest particularly for high-speed shaft rotation or poor lubrication applications.
The allowable total eccentricity is the maximum total eccentricity at which the sealing edge can accommodate shaft rotation and retain adequate sealing performance. The oil seal's allowable total eccentricity is affected by the design of the oil seal, the accuracy of the shaft, and the operating conditions.

oil seal 12 22 5.
ISO 6194-1 1)


The cover is fixed by nuts or bolts on top, or by screws round the edge. Loosen them all and remove them with their washers. If there are several oil-sealing washers under each fixing, note their order.
When there is a need for rebuilding a cylinder and pump instead of building a new one.
Valve cover gaskets are essential components in automotive engines, serving to seal the junction between the valve cover and the cylinder head. These gaskets prevent oil leaks and contaminants from entering the engine, ensuring the proper lubrication and protection of critical components. When seeking valve cover gaskets for sale, it is crucial to prioritize quality and compatibility to maintain the integrity and performance of the engine.