What material is a reciprocating compressor shaft seal commonly made from?

A reciprocating compressor shaft seal is commonly made from rubber due to its excellent elasticity, resilience, and ability to form a tight seal. Rubber seals are effective in preventing the leakage of gases and fluids, which is essential for the efficient operation of a compressor. They can also withstand a range of temperatures and pressures, making them suitable for various industrial applications.

While other materials like metal, silicone, and plastic may have specific applications or components within a compressor, rubber stands out as the most appropriate choice for the shaft seal. Metal seals, for instance, can be prone to wear and may not provide the same level of sealing during regular operation. Silicone, while flexible, may not always endure the high pressures found in reciprocating compressors. Plastic does not typically hold up well under the conditions present in these machines.