STOPPER REFRACTORIES FOR STEEL TEEMING FROM LADLE ACCORDING TO DSTU GOST 5500:2006

PBSP-88 (nozzle)

PBSP-88 (NOZZLE)

Nozzle periclase nonfired are used for steel teeming from ladle.

At the customer request nonfired nozzle is subject to paraffin treatment.

The products are laid on wooden pallet, laid with cardboard sheets, wrapped with stretch-film and wrapped with polypropylene strip.
Parameter descriptionValue
Typehigh-magnesia
Grouppericlase (MgO ≥ 85%)
Refractoriness valuefire resistance (1580 to 1770°С)
Porosity degreeaverage dense (Ptot 20-30%)
Heat treatment methodunburnt
Molding processsemidry forming
Binding type 1with inorganic binders
Binding type 2ceramic
Intended purposetechnology
scope of applicationfor steel teeming from ladle
Reference document for product propertiesStopper refractories for steel teeming from ladle according to DSTU GOST 5500:2006
Reference documents for product dimensionsStopper refractories for steel teeming from ladle according to DSTU GOST 5500:2006
Parameter descriptionValue
Apparent specific gravity, g/сm3≥ 2,55
Compression ultimate strength, N/mm2, not less than25
Humidity weight content, %≤ 0,6
Interconnected porosity, %, not more than22
MgO, %≥ 88
FormArticle No.Additional informationPhoto
NozzleNo.20 (d 50mm)Used in combination with plugs No.No.10, 11.PBSP-88 (nozzle) Nozzlemark-41-conf-281-small.jpg
No.21 (d 40mm)Used in combination with plugs No.No.12, 13, 14, 14-1, 14-2.
No.21 (d 60mm)Used in combination with plugs No.No.12, 13, 14, 14-1, 14-2.
No.22 (d 50mm)Used in combination with plug No.11.
No.22 (d 55mm)Used in combination with plug No.11.
No.22 (d 60mm)Used in combination with plug No.11.
FormArticle No.Dimension, mmDrawing
NozzleNo.20 (d 50mm)H = 300
D = 160
D1 = 127
d = 50
d1 = 68
r = 35
e = 34
k = 69		Nozzle
No.21 (d 40mm)H = 360
D = 160
D1 = 120
d = 40
d1 = 68
r = 55
e = 51
k = 88
No.21 (d 60mm)H = 360
D = 160
D1 = 120
d = 60
d1 = 68
r = 55
e = 51
k = 88
No.22 (d 50mm)H = 240
D = 180
D1 = 140
d = 50
d1 = 71
r = 50
e = 46
k = 85
No.22 (d 55mm)H = 240
D = 180
D1 = 140
d = 55
d1 = 71
r = 50
e = 46
k = 85
No.22 (d 60mm)H = 240
D = 180
D1 = 140
d = 60
d1 = 71
r = 50
e = 46
k = 85