Hebei Hankai wheel hub grease seal
Shaft oil seals typically consist of a flexible sealing lip made from elastomeric materials such as rubber, polyurethane, or silicone, encased in a sturdy outer shell. The sealing lip makes contact with the rotating shaft, creating a barrier that effectively retains lubricants while blocking unwanted particles. The design may include additional features such as garter springs to maintain contact with the shaft and improve sealing effectiveness over time.
shaft oil seal

One of the primary advantages of using gate valves is their ability to provide a complete shut-off of flow when closed. However, the ability to return to a fully open position is equally important. Fully opening the valve is essential for processes that require a high flow rate, such as cooling systems, irrigation networks, and wastewater treatment plants. In these settings, achieving maximum flow quickly and efficiently can prevent issues such as overheating and system backflow.
gate valve fully open
