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Home/Thermowells/Threaded Thermowells – Tapered

Threaded Thermowells – Tapered

Series C: Threaded Tapered Stem Thermowells

Process Thread Bore Q D Ordering Code
Type Material “U”
1/2″ NPT .260 11/16″ 5/8″ 1/2 C Select Material Code from Here Specify in Inches

——-

Standard Lengths:

2 1/2″, 4 1/2″,

7 1/2″, 10 1/2″,

13 1/2″, 16 1/2″, 22 1/2″

– – – –
3/4″ NPT .260 7/8″ 5/8″ 1C
.385 7/8″ 49/64″ 2C
1″ NPT .260 1 1/16″ 5/8″ 3C
.385 1 1/16″ 49/64″ 4C

How to Order

Example: 3C60-7 1/2
Process Thread = 1″ NPT
Bore = .260″
“Q” = 1 1/16″
“D” = 5/8″
Material = Inconel 600
“U” = 7 1/2″

Series D: Threaded Tapered Stem Lagging Thermowells

Process Thread Bore Q D Ordering Code
Type Material “T” “U”
1/2″ NPT .260 11/16″ 5/8″ 1/2 D Select Material Code from Here Specify in Inches


Standard Lengths:


2″ 2 1/2″
3″ 4 1/2″
3″ 7 1/2″
3″ 10 1/2″
3″ 13 1/2″
3″ 19 1/2″
– – – –
3/4″ NPT .260 7/8″ 5/8″ 1D
.385 7/8″ 49/64″ 2D
1″ NPT .260 1 1/16″ 5/8″ 3D
.385 1 1/16″ 49/64″ 4D

How to Order

Example: 4D40-T2-2 1/2
Process Thread = 1″ NPT
Bore = .385″
“Q” = 1 1/16″
“D” = 49/64″
Material = 410 Stainless Steel
“T” = 2″
“U” = 2 1/2″

Thermowells

Introduction to Thermowells

  • Thermowell Material Ordering Codes
  • Product and Ordering Information

Technical Information

  • How to Select Thermowells
  • Velocity Ratings of Thermowells
  • Nomograph
  • Pressure – Temperature Ratings
  • Design Procedure
  • Thermowell Material Guide

Thermowell Type

  • Threaded Thermowells – Straight/Stepped
  • Threaded Thermowells – Tapered
  • Flanged Thermowells
  • Socket Weld Thermowells
  • Van Stone Thermowells
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Protection Tubes

  • Plug and Chain Options
  • Ceramic Protecting Tubes – Primary/Secondary
  • Ceramic Protecting Tube Characteristics
  • Metal Protecting Tube with Flange / Cast Iron Protecting Tube
  • Metal Protecting Tubes/Tubes With Bushings
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