... autoclave adopts active fast door construction, by handheld speed-down machine or adopts electric, gas, or liquid on-and-off in ... are designed, produced according to national standard GB150-1998 STEELED PRESSURE VESSEL, and inspected by The State Bureau of Quality and ... .8. The autoclave set up such fittings as safety valve, pressure gauge, measure temperature elements, vent valve, inlet valve, air ...