Acid-resistant ceramic nozzle Rashig ring A1 15x15x4 GOST 17612-89
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Description
Acid-resistant ceramic nozzles (Rashig Rings) are designed to fill the nozzles of columns, absorbers, extractors, converters in the chemical, medical and refining industries.
The purpose of using nozzles - mixing, redistribution of the active mass, increasing the contact of the surfaces of the liquid and gas phases, improving heat transfer processes in the equipment.
According to the sintering of the ceramic shard, the nozzles are divided into two classes:
A - tightly sintered
В - porous.
The composition of the mass of the nozzles of class A are divided into two brands:
A1 of porcelain and cardierite mass;
A2 of semi-porcelain mass.
Cylindrical nozzles (Rashiga rings) are available in the form of thin-walled rings with a diameter of 15 to 150 mm, with the outer diameter of the ring equal to the height of the nozzle.
Physico-chemical and mechanical parameters of cylindrical nozzles:
Water absorption, not more than 0.5% test method according to GOST 473.3
Acid resistance, not less than 98.7% test method according to GOST 473.1
Thermal stability, number of heat changes, not less than 8 test method according to GOST 473.5.
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