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Model TW-STEP Thermowells

Model TW-STEP Thermowells

Product catalog summary

Overview: The document provides detailed specifications and options for U.S. Gauge's Model TW-STEP General Use Thermowells, designed for use with bimetallic thermometers in environments involving corrosive media, high pressure, or high flow velocity. These thermowells protect temperature sensing elements and are available in various models and materials.

Specifications: The thermowells are available in standard and heavy-duty models, with process connection sizes of 1/2-14 NPT and 3/4-14 NPT. They are constructed from materials such as 316L stainless steel, 304 stainless steel, and brass. Standard thermowells are stepped to 1/2” OD, with straight shank models also available. Tolerances for lengths, OD, bore ID, and other dimensions are specified, ensuring precision and reliability.

Standard Tolerances: Length tolerances are ±1/16” for lengths 12” or less and ±1/8” for lengths over 12”. OD tolerances are ±.015 for fractional measurements and ±.005 for decimal measurements. Bore ID tolerances are +.005 and -.003, with efforts to maintain ±.002. Other specifications include end thickness, concentricity, surface finish, and thread standards.

Model Options: The document lists various models with different stem lengths and connection specifications. These include general use, limited space, lagging extension, and heavy-duty models, each with specific part numbers for ordering.

Additional Features: Optional features include a cap and chain for keeping the thermowell bore clean. Flanged wells are made according to ANSI B16.5 standards, with options for raised or smooth faces.

Contact Information: The document provides contact details for U.S. Gauge, PMT Products, and M&G Products, including addresses, phone numbers, and websites for further information.

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