

Oil seals can be made from various materials, including rubber, silicone, and polyurethane. The choice of material often depends on the operating conditions such as temperature, pressure, and the type of lubricant being used. For the 50x65x8 oil seal, nitrile rubber (NBR) is commonly utilized due to its excellent oil resistance and durability in a range of temperatures.
The design and construction of gas-to-gas heat exchangers are critical to ensure efficient heat transfer between the two gas streams. The choice of materials, tube size, and configuration all impact the performance of the heat exchanger. In addition, factors such as gas flow rate, temperature, and pressure also influence the design of the heat exchanger.