- Petroleum oil and sour gas resistant
- Regular maintenance and inspection of the oil seals are essential to ensure the proper functioning of the motor. Over time, oil seals can deteriorate due to heat, pressure, and normal wear and tear. It is important to check the condition of the seals periodically and replace them as needed to prevent leaks and maintain the efficiency of the motor.
In conclusion, the spark plug ignition coil is a critical component in the operation of an internal combustion engine. It is responsible for generating the high voltage needed to create a spark for ignition, and a properly functioning ignition coil is essential for engine performance. Regular maintenance and timely replacement of the ignition coil are necessary to keep the engine running smoothly and efficiently.
Spark Plug China: Wholesale and Manufacturing
Sealing of lip type seal is normally a result of an interference fit between the flexible sealing element, usually augmented by spring pressure and a shaft. Fluid retention is based on the precise amount of lip contact pressure. In most lip seals, increased fluid pressure in the sealed area causes lip contact pressure on the shaft to increase.
Figure 5 explains the JTEKT seal numbering system.
Seal numbers consist of
(1) the seal type code,
(2) the spring code,
(3) the lip type code,
(4) the dimensional numbers, and
(5) the special type code,
and Table 6 shows examples of each of these codes/numbers.
Several variables must be considered when selecting oil seals. The physical dimensions and materials will vary depending on the environment of use. In addition, oil seals must remain lightweight, compact, and exhibit high self-lubrication performance.
Material Code ISO 1629
Helix Seal


The spark plug ignition coil works by converting the low voltage electricity from the battery into a much higher voltage that is capable of creating a spark across the spark plug gap. This high voltage is delivered to the spark plug through the ignition coil wire, which is connected to the secondary winding of the ignition coil.
rubber or polymer
0.1 to 0.32 μmRa and 0.8 to 2.5 μmRz
and the lead angle to no greater than 0.05°. (There is a risk that the lead marks will impede the sealing performance of the oil seal: see Figure 5.)