TEST PRESSURE: 500 BAR (7250 PSI) SERVICE MAX PRESSURE: 315 BAR (4570 PSI) SERVICE TEMPERATURE: -40℃ / 60 ℃ SERVICE LIFE: 20 YEARS INSPECTION DURATION: 5 YEARS VOLUME: 0.74L (740 CC) EMPTY WEIGHT: 0.77KG LENGTH: 407MM DIAMETER: 62MM INNER THREAD: M18X 1.5MM