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  • Allows a temperature instrument to be removed and replaced without shutting down and draining the process
  • Reduces the possibility of damage to the temperature instrument
  • Provides protection to the operator
  • 1/2" NPSM instrument connection, 3/4" NPT process connection standard - 1/2" NPT, 1" NPT, flanged and sanitary options available
  • 150 Class and 300 Class raised face flanged thermowells available
Thermowell Group
Unit of Measure
Items Thermowell Group
100-025-316-SS
1" National Pipe Thread (NPT) Straight Shank, 2-1/2" Length, 1/2" National Pipe Straight Mechanical (NPSM) Instrument Connection, 316 Stainless Steel Thermowell
Thermowell Group
100-060-304-SS
1" National Pipe Thread (NPT) Stepped Shank, 6" Length, 1/2" National Pipe Straight Mechanical (NPSM) Instrument Connection, 304 Stainless Steel Thermowell
Thermowell Group
50-025-304-SS
1/2" National Pipe Thread (NPT) Straight Shank, 2-1/2" Length, 1/2" National Pipe Straight Mechanical (NPSM) Instrument Connection, 304 Stainless Steel Thermowell
Thermowell Group
50-025-316-SS
1/2" National Pipe Thread (NPT) Straight Shank, 2-1/2" Length, 1/2" National Pipe Straight Mechanical (NPSM) Instrument Connection, 316 Stainless Steel Thermowell
Thermowell Group
50-025-316-SS-RTD
1/2" National Pipe Thread (NPT) Stepped Shank, 2-1/2" Length, 1/2" National Pipe Straight Mechanical (NPSM) Instrument Connection, 316 Stainless Steel, Resistance Temperature Device (RTD) Stem Length Specific Thermowell
Description N/A
  • Allows a temperature instrument to be removed and replaced without shutting down and draining the process
  • Reduces the possibility of damage to the temperature instrument
  • Provides protection to the operator
  • 1/2" NPSM instrument connection, 3/4" NPT process connection standard - 1/2" NPT, 1" NPT, flanged and sanitary options available
  • 150 Class and 300 Class raised face flanged thermowells available
Type N/A Thermowell
Process Connection Size N/A 1 in N/A 1 in N/A 1/2 in N/A 1/2 in N/A 1/2 in
Stem Length N/A 2-1/2 in N/A 6 in N/A 2-1/2 in N/A 2-1/2 in N/A 2-1/2 in
Material N/A 316 Stainless Steel N/A 304 Stainless Steel N/A 304 Stainless Steel N/A 316 Stainless Steel N/A 316 Stainless Steel
Style N/A Straight Shank N/A Stepped Shank N/A Straight Shank N/A Straight Shank N/A Straight Shank
Process Connection Type N/A National Pipe Thread (NPT), Flange N/A National Pipe Thread (NPT), Flange N/A National Pipe Thread (NPT) N/A National Pipe Thread (NPT) N/A National Pipe Thread (NPT)
Instrument Connection Size N/A 1/2 in
Instrument Connection Type N/A National Pipe Straight Mechanical (NPSM)
Pressure Ratings at 70 Degree Fahrenheit (ºF) N/A 7,000 psi
Bore Size N/A 0.260 in6.35 mm
Shank Diameter [Max] N/A 0.750 in19.05 mm
Insertion Diameter B [Max] N/A 3/4 in19.05 mm
Warranty N/A 1 y
Application N/A
  • Recommended wherever the process being measured is under pressure, corrosive, abrasive, or moving at a high velocity
  • HVAC
  • Petrochemical
  • Oil and gas
  • Process (flanged thermowells)
Options N/A N/A N/A N/A N/A For use with 900/910 Series RTDs
Prop 65 Warnings N/A
WARNING: This product can expose you to chemicals including Nickel, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov
Limitations Which Apply Are N/A These units must be operated within the catalogued environmental and application parameters. Determination of failure will be made by NOSHOK, Inc.'s equipment and personnel or a certified test facility specializing in this type of evaluation.

In keeping with and for purposes of product and/or manufacturing process improvements, NOSHOK, Inc. reserves the right to make design changes without prior notice.
Additional Information N/A
  • The Female thread will accept the 1/2" NPT Male thread without galling or seizing
  • Brass, 304 Stainless Steel, or 316 Stainless Steel standard material options - other options available
  • Standard style is stepped, available in straight, tapered and lagging options
  • Multiple lagging lengths available
Note N/A Flange Connection not available.

To order a Flange Connection, you must specify Option RF1 or RF2. Flange Connections available only in Stainless steel.
N/A To order a Flange Connection, you must specify Option RF1 or RF2. Flange Connections available only in Stainless steel. N/A Flange Connection not available. N/A Flange Connection not available. N/A
Stock N/A Yes