ER 55XX RX

Range
CRUCIFORMS®
Subtitle

Electrofused spinel (MgAl2O4)

Description

Checker packing material for high efficiency regenerator.
Typically used in the middle and bottom part of the checker packing where condensation takes place.
Dedicated to regenerator packing of furnaces operating under reduced conditions.

CRUCIFORMS® types

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Cruciform types

Type 2

Typical application

CRUCIFORMS® Type 2 is 40mm thick to reinforce resistance to corrosion.

ER 55XX RX Type 2 is used in the middle and bottom part of the checker packing operating under reduced conditions and with high corrosion level in the condensation area.

Flue size: 130x130mm up to 170x170mm

Shape Weight
X shape: ER 55XX X2 18.5kg
T shape: ER 55XX T2 14kg
L shape: ER 55XX L2 10kg

 

Type 3

Typical application

CRUCIFORMS® Type 3 is 30mm thick with a high heat exchange surface.

ER 55XX RX Type 3 provide its best thermal performance when installed in the bottom part of the checker packing and is used in checker packing operating under reduced conditions.

Flue size: 140x140mm up to 180x180mm

Shape Weight
X shape: ER 55XX X3 19.5kg
T shape: ER 55XX T3 15kg
L shape: ER 55XX L3 11kg

 

Type 4 

Typical application

The unique corrugated shape of CRUCIFORMS® Type 4 optimize the convection heat exchange for higher efficiency.

ER 55XX RX Type 4 is typically used in the middle part of the regenerator packings operating under reduced conditions.

Flue size: 140x140mm up to 180x180mm

Shape Weight
X shape: ER 55XX X4 20kg
T shape: ER 55XX T3 15kg
L shape: ER 55XX L3 11kg

Chemical and physical properties

Microstructure

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Microstructure of ER 55XX RX

Typical chemical composition

 

Typical crystallographic analysis

 

Physical characteristics

Description International standards British standards
Cold crushing strength 80MPa 11,603psi
Refractoriness under load of 2.105Pa 1,750°C 3,182°F
Typical bulk density 2.9g/cm3 181pcf

Instructions of use

Installation instructions

CRUCIFORMS® Tutorial: How to install cruciform checkerpack

Storage

The electrofused spinel (MgAl2O4), ER 55XX RX solution must be stored in a dry environment protected from weather conditions.

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Checker packing material for high efficiency regenerator.
Typically used in the middle and bottom part of the checker packing where sodium sulphate condensation takes place.
Dedicated to regenerator packing of furnaces producing sodalime glass under non-reduced conditions.

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Electrofused ß"' alumina (15Al2O3, 4MgO, Na2O)

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