The valves operate in low-temperature cryogenic conditions and to 1,000°F. They feature a patented seat made from self-lubricated, full-contact sintered stainless steel that contains TFE or graphite.
During one of our never-ending technical discussions, Jim Grubbs at Jim Grubbs Motorsports (JGM) suggested that we take a look at the flow difference between 30- and 45-degree valve seats. While ...