5. TYPES OF FLUID: Numerous oil seals can interact with oils, fuels, grease, water and more. However, know exactly what type of fluid the rotary shaft seal will be in contact with will ensure the longevity of the seal and the machinery.
If these criteria are met, damage of the machine can be reduced, the time needed to replace the oil seals when performing repairs can be shortened, and the machine can be used for a longer period of time.

B
• Fluorine rubber
2. The most common types of oil seals are rubber-cased and metal-cased.
-80 °C to + 200 °C
AS


MH: O.D. wall is a rubber material
HM: O.D. wall is a metal case
MH(S)H: O.D. wall is metal with a reinforced inner metal case
Ensuring Proper Installation and Maintenance
In line with global environmental standards, spark plug manufacturers in China are increasingly focusing on sustainable practices and eco-friendly materials. Compliance with environmental regulations and the adoption of green manufacturing processes are becoming integral to the production of spark plugs. Customers seeking spark plugs and wires can inquire about the environmental policies and certifications of suppliers to align with their sustainability goals.