Pyromation Straight Shank Socket Weld Thermowells Ordering Guide (PDF) We ship these products worldwide! Delivery is normally stock. Request a Quote now or call us at 1-800-755-2883 for expert assistance. Thermowell specifications should be determined based on process conditions which include strength, temperature, pressure and corrosion-resistance requirements. The Straight-Shank Socket-Weld is designed to be used with a 3000 class weld-o-let which allows the thermowell to be welded permanently into the process. They are designed with a standard 0.260″ or