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: 0.51L (510 CM3) EMPTY WEIGHT: 0.6KG LENGTH: 285MM DIAMETER: 61MM INNER THREAD: M18X 1.5MM