: the metal case supports the rotary shaft seal, ensuring the structural stability.
PTFE
Does it mean the seal stops the leakage completely? Well, on the practical grounds yes because there is no ‘visible leakage’.
Nitrile oil seals, also known as Buna-N or NBR (Nitrile Butadiene Rubber) seals, are a critical component in various industrial systems where sealing efficiency and durability are paramount. These seals have gained significant recognition due to their exceptional resistance to oils, fuels, and a wide range of chemicals, making them indispensable in industries such as automotive, aerospace, petrochemical, and hydraulic systems.The skeleton oil seal structure consists of three parts: the oil seal body, the reinforced skeleton and the self-tightening coil spring. The sealing body is divided into bottom, waist frame oil seal structure diagram, cutting edge and sealing lip according to different parts. Generally, the inner diameter of the skeleton oil seal in the free state is smaller than the shaft diameter, that is, it has a certain interference. Therefore, after the oil seal is installed on the oil seal seat and the shaft, the pressure of the oil seal edge and the contraction force of the self-tightening coil spring will produce a certain radial tightening force on the shaft. After a period of operation, the pressure will rapidly decrease or even disappear. , Therefore, adding a spring can compensate for the self-tightening force of the oil seal at any time.
4. SHAFT SPEED: As different shafts move at different speeds you need to consider the runout, the housing bore, and oil type being sealed. Ensure you select a seal that will not suffer from abrasions or spiralling.
A high pressure oil seal is essentially a mechanical barrier that seals the interface between moving and static parts, ensuring that oil or other lubricants remain within the system while preventing contaminants from entering. They are typically made from robust materials such as rubber, polyurethane, or PTFE (Teflon), each with unique properties suited to different operating environments and pressures.Silicone rubber (VMQ)