In casting crucibles, it is a hole-in-the-middle brick that is passed to the shaft, which ensures that the metal shaft connected to the plug brick does not melt.

Poz – Item Boyutlar – Dimensions (mm) Hacim – Volume
dm3
d
(mm)
d1
(mm)
d2
(mm)
d3
(mm)
d4
(mm)
D
(mm)
L
(mm)
k1
(mm)
k2
(mm)
SR1 47 70 76 72 77 105 330 10 12 2,27
SR2 47 70 82 72 84 120 330 10 12 3,15
SR3 47 70 82 72 84 140 330 10 12 4,50
SR4/2 60 95 106 97 110 155 330 10 12 5,27