H&b Sensors design and manufacture a wide range of flanged solid drilled thermowells and flanged fabricated thermowells. Material options include 316 Stainless Steel, Carbon Steel, Inconel® 600, Monel® 400, Hastelloy® C276 and Hastelloy® C22.

Flanged thermowells are available with either seal welded, full penetration welded or one piece forged style flange connections. A wide range of flange sizes and ratings are available in either raised face (RF), flat face (FF) or ring type joint (RTJ) configurations. Other options include velocity collars and cover flanges.

Thermowell stem profiles available include parallel, tapered and stepped. To ensure stem strength and suitability wake frequency calculations can be carried out in accordance with either Murdock or ASME PTC 19.3 TW-2010 specifications.

A variety of protective sheaths and coatings are available to protect against corrosive and high temperature processes including FEP, PTFE, tantalum, tungsten carbide and stellite®.

A wide range of thermowell testing is available including pressure testing, dye penetrant, x-ray, positive material identification (PMI), heat treatment to NACE MR0175, magnetic particle inspection, oxygen cleaning, ultrasonic and charpy impact testing.