The 913M API SERIES B gasket is engineered for 150# flanges, featuring a 40" diameter with a unique construction of 304 stainless steel inner and graphite composite outer. This design by TEADIT-NORTH AMERICA INC ensures superior sealing performance in high-pressure applications. The gasket is compliant with API standards, making it ideal for use in the oil and gas industry. Its robust materials provide excellent resistance to temperature and pressure, ensuring longevity and reliability. This gasket is perfect for pipelines and equipment requiring a dependable seal under demanding conditions.