When using a temperature sensor/transmitter, the stem is inserted into the process container and exposed to the measured medium. In certain operating conditions, some factors could causing damage to the probe, such as suspended solid particles, extreme pressure, erosion, corrosion and degradation, etc. Therefore harsh operating environment is likely to impair performance and life span conspicuously that is why thermowell is often applied as a casing fitting to protect wetted-part of a temperature measuring device. Thermowell could also make the maintenance and replacement of the instrument more convenient which would not affect the routine operation of the whole system.
WangYuan RTD Temperature Sensor with 1/2” PT Threaded Thermowell
High operating pressure resistant type thermowell is drilled from bar stock to ensure its robustness, while regular type is usually processed from tube with one side welded sealed. The shape of thermowell is generally categorized into three kinds: straight, tapered and stepped. Its connection for sensor stem is usually internal thread. The connection with process container has several common choices: thread, welding, flange depending on different on-site conditions. The selection of thermowell material must take medium characteristics and working temperature into consideration. Mostly used materials are stainless steel and other alloys for corrosion, pressure and heat resistant purpose like monel, hastelloy and titanium.
Welded/flange mounting thermowells for various WangYuan temperature products
Shanghai WangYuan is a professional instruments supplier and provides all sorts of temperature measuring device(bimetallic thermometer, thermocouple, RTD and transmitter) with optional thermowell catering to user’s exact dimensional demand.
Post time: Apr-17-2024