Main technical data of vacuum drawing furnace
Model	Uniform temperature dimension	Highest temperature (℃)	Limit pressure (pa)	Pressure increasingrate (pa/h)	Uniform temperature property (℃)	Feeding volume（kg）
335	300×300×500	750	2×10-3	0.5	±5	100
446	400×400×600	750	2×10-3	0.5	±5	200
459	450×450×900	750	2×10-3	0.5	±5	300
6612	600×600×1200	750	2×10-3	0.5	±5	500
6615	600×600×1500	750	2×10-3	0.5	±5	800
7715	700×700×1500	750	2×10-3	0.5	±5	900
8815	800×800×1200	750	2×10-3	0.5	±5	1200

It fits for metal material annealing after quenching and parts vacuum and inert gas filling or drawing heat treatment under weakly reducing atmospheres with fast cooling system and high efficiency.