... furnace, intermediate thermostatic period of 160mm, preheating section in both ends 80mm, inner diameter of hearth 60mm, with direct ... pressure-resistant reactor, length 550mm, outer diameter 40mm, inner diameter 24mm, wall thickness 3mm, pressure-resistance 3MPa, tolerance ... settings, aluminum frame, wire cutting for processing of various kinds of holes in the panel, and high temperature furnace ...