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Standard-Duty, Threaded Thermowells are available in a variety of materials, process connection sizes, lengths, and optional lagging extensions. Thermowell specifications should be determined based on process conditions which include strength, temperature, pressure and corrosion-resistance requirements. The stepped construction is used in standard-duty applications and increases the speed of response while maintaining mechanical strength. These thermowells are designed with standard 0.260" bore diameters to accommodate sensing elements with a 0.252" maximum diameter. These wells are available as separate components or as part of complete sensor assemblies.
Unit of Measure

Specifications

Brands

 N/A Pyromation®

Well Type

 N/A Standard-duty Threaded

Bore Diameter

 N/A 0.260 in

Note for Length "S"

 N/A Specify length in inches using two digits plus fractional length

Note for Material

 N/A Specify two digit material code as stated in the Thermowell Material Table located earlier in section
Optional T Lag Dimension1 N/A Specify "T" dimension in inches

Thermowell Dimensions

Pipe Size (P)

 N/A 1-1/4 in

Thread Type

 N/A National Pipe Thread (NPT)

Diameter "Q"

 N/A 1-1/4 in

Diameter "V"

 N/A 7/8 in

Options

Options

 N/A Brass well cap and chain

Well stamped with customer-specified part number

Additional Information

Additional Information

 N/A Wells are made from round bar with milled wrench hex. 1-1/4 in. National Pipe Thread (NPT) and 1-1/2 in. National Pipe Thread (NPT) wells are supplied as round bar with milled wrench flats.

("U" length for non-lagging wells) = "S" - 1-1/2 in.
("U" length for lagging wells) = "S" - 1-1/2 in. -"T"
(To solve for "T"), "T" = "S" -"U" -1-1/2 in.(When "U" and "S" are specified)
  • 1 Leave blank if no lag is required