NO.	Item	Unit	Figure
1	Normal capacity	t	20	25	30
2	Shell diameter	mm	4000	4200	4600
3	Average tapping	t	25	30	35
4	Rate capacity of transformer	kva	12500	15000	25000
5	Transformer once side voltage	kva	35	35	35
6	Transformer twice side voltage	v	350-170	350-195	460-230
7	Electrode diameter	mm	400	400	450
8	Electrode distributing circle diameter	mm	1000	1100	1100
9	Max electrode stroke	mm	2800	2800	3000
10	Max raising velocity of electrode	m/min	>6	>6	>6
11	Max falling velocity of electrode	m/min	>4	>4	>4
12	Angle of furnace tilting tapping side/slag-off side	°	20/12	20/12	20/12
13	Lifting height of furnace cover	mm	400	400	400