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Anhui Tiankang (Group) Co., Ltd
Wear resistant and corrosion-resistant thermocouple
NegotiableUpdate on 05/06
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Overview
In industrial automation systems, thermocouples and thermistors have been widely used as temperature sensors. However, in certain special situations such as chemical plants, smelters, and thermal power plants, ordinary thermoelectric dipoles are prone to damage. Therefore, in these situations, it is necessary to use wear-resistant and corrosion-resistant thermocouples with special materials and structures.
Product Details
In industrial automation systems, thermocouples and thermistors have been widely used as temperature sensors. However, in certain special situations such as chemical plants, smelters, and thermal power plants, ordinary thermoelectric dipoles are prone to damage. Therefore, special materials and structures must be used in these situationsWear resistant and corrosion-resistant thermocouple.
There are currently two types of wear-resistant coatings, one with a hardness of HRC58-62 and a temperature range of 0-600 ℃; Corrosion resistant coatings have excellent anti-corrosion properties. In addition to liquid nitrogen with high flow rates of molten metal lithium, potassium, sodium, hydrofluoric acid, and oxygen trifluoride, they can resist almost all other chemical media and can be used for a long time in the range of 0-250 ℃. If the fixed thread needs to be made into a corrosion-resistant structure, the thread cannot work in a pressure environment.
Titanium alloy pipes can withstand corrosion from seawater, various chlorides and hypochlorites, wet chlorine, and oxidizing acids (including fuming nitric acid), but are not resistant to relatively pure reducing acids (sulfuric acid, hydrochloric acid). The temperature range of titanium alloy pipes is below 500 ℃.
Wear resistant and corrosion-resistant thermocoupletechnical parameters
(Corrosion resistant type)
Name, division number, temperature measurement range, ℃, allowable deviation △ t ℃
Nickel chromium nickel silicon thermocouple K, please refer to the specification table for ± 2.5 ℃ or 0.75% t
Nickel chromium constantan thermocouple E
Platinum resistance Pt100A or Class B
Copper resistance Cu50-50-100 ± (0.3+6.0 × 10-3t)
(Wear resistant type)
Name, division number, temperature measurement range, ℃, allowable deviation △ t ℃
Nickel chromium nickel silicon thermocouple K0-600 ± 2.5 ℃ or 0.75% t
Nickel chromium constantan thermocouple E
Platinum resistance Pt100-200-420A or Class B
Copper resistance Cu50-50-100 ± (0.3+6.0 × 10-3t)
All other technical indicators comply with the technical specifications of ZBN1002-87 industrial thermocouple and ZBY301-85
