A Hastelloy Thermowell is a protective device crafted to keep temperature sensors, like thermocouples and RTDs, safe from the harsh realities of process conditions. Made from Hastelloy, a top-notch nickel-molybdenum alloy, these thermowells boast remarkable resistance to corrosion, oxidation, and chemical damage, even in tough environments. They ensure accurate temperature readings while shielding sensors from high pressure, fast-moving fluids, and abrasive substances. Hastelloy thermowells are perfect for industries where reliability and durability are a must, guaranteeing precise temperature monitoring and prolonging the lifespan of sensitive instruments.
These thermowells come in a variety of designs, including threaded, flanged, socket weld, and weld-in types, along with stem profiles like straight, tapered, or stepped, to cater to different process needs. The unique alloy composition of Hastelloy offers impressive mechanical strength, toughness, and outstanding resistance to pitting, crevice corrosion, and stress-corrosion cracking. With precision manufacturing, they ensure tight seals, accurate dimensions, and compatibility with international instrumentation standards. Their ability to endure high temperatures, chemical corrosion, and mechanical stress makes them ideal for demanding industrial applications.
| Alloy Name | Nickel | Copper | Iron | Manganese | Carbon | Silicon | Sulfur, max | Chromium | Molybdenum | Phosphorus | Tungsten | Cobalt | Vanadium, max |
| Hastelloy Condensing Pot C276 | remainder | … | 4.0-7.0 | 1.0 max. | 0.010 max. | 0.08 max. | 0.03 | 14.5-16.5 | 15.0-17.0 | 0.04 max. | 3.0-4.5 | 2.5 max | 0.35 |
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Hastelloy thermowells find their place in chemical processing, petrochemical, oil and gas, power generation, marine, and pharmaceutical sectors. They shine particularly in corrosive or high-temperature process lines, such as acid handling systems, seawater circuits, and chemical reactors. By keeping sensors away from direct contact with process fluids, these thermowells guarantee accurate readings, lower maintenance needs, and boost operational safety. With their blend of corrosion resistance, mechanical strength, and reliability, Hastelloy thermowells are an essential solution for precise temperature measurement in challenging industrial settings.
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