... injection and 1 to 3 roads of liquid sample injection. Air way switches for instrument all control with high pressure pneumatic ... and also for manual setting. 4. Stainless steel pressure-resistant reactor, length 550mm, outer diameter 40mm, inner diameter 24mm, wall thickness ... 1 to 6. 7. Liquid metering pump adopts imported pump core, pressure-resistance for MFC 42MPa, measurement range 0.01-5mL ...