Vanstone Thermowell

Home ▶ Our Products ▶ Temperature Measurement ▶ Thermowells ▶ Vanstone Thermowell

Vanstone Thermowell

A vanstone thermowell is machined from a single piece of metal and therefore has no welds, meaning a much stronger finshed product for extreme pressure and high velocity environments.  

Vanstone Thermowell by EMI Limited
Vanstone Thermowell Manufactured by EMI
 
Specifications
Vanstone Thermowell Data Sheet
Process Connection: Flanged, Hub Connector, Screwed, Weld-in, Vanstone,
Type: Solid Barstock, Single Piece Forged, Welded, Fabricated with Solid Tip
Nominal Pipe Sizes: ½” – 4”NB / DN15 – DN100 – Others available on request
Stem Type: Parallel, Tapered, Stepped
Stem Diameters: 10+ mm
Bore Diameters: 3 mm – 25 mm – Single or Multiple [Single bore 6.6mm most common]
Lengths: Up to 1200mm overall solid drilled as single piece – Others options available
Instrument Connection:

Male or Female Threads: NPT-F, BSP, Metric Threads

[½”NPT-F Most common]

Material Grades:

Carbon Steel grades

ChromeMoly Steels (F9, F11, F22, F91 etc.)

Austenitic Stainless Steel Grades (300 Series: 316, 304, 310… / 400 Series.)

Duplex/Super Duplex Grades (F51, F53, F55 & F60)

High Moly Stainless Steel (F44 / 6-Mo SS)

Hastelloy (C22 / C276 / B3)

Inconel® Grades (Alloy 600 / Alloy 625 / Alloy 718)

Incoloy® Grades (Alloy 800 / Alloy 825 / Alloy 800H & 800HT)

Monel® (Alloy 400 / 500)

Cupronickel (70/30 & 90/10)

Titanium (Grade 2 – Grade 5)

Tantalum, Zirconium

Material Certification:

EN10204 3.1

EN10204 3.2

NACE – MR0175/ISO 15156 & MR0103 requirements for sour gas applications

NORSOK

Hardfacing/Coatings: Stellite6, Ebonite Lining, Corrosion Resistant Coating. Other available on request
Sensors: Thermocouples, Platinum Resistance Temperature Detectors (PT100), Bimetallic Sensors. Calibration of sensors available on request
Accessories: Nipple/Union/Nipple arrangements, Connection Heads, Transmitters
Calculations: Wake Frequency Calculations to ASME PTC-19.3 (latest version)
Conformity: ATEX certified assemblies available
Materials
  • Carbon Steel grades
  • ChromeMoly Steels (F9, F11, F22, F91 etc.)
  • Austenitic Stainless Steel Grades (300 Series: 316, 304, 310 etc.)
  • Duplex/Super Duplex Grades (F51, F53, F55 & F60)
  • High Moly Stainless Steel (F44)
  • Hastelloy (C22 / C276 / B3)
  • Inconel® Grades (Alloy 600 / Alloy 625 / Alloy 718)
  • Incoloy® Grades (Alloy 800 / Alloy 825)
  • Monel® (Alloy 400)
  • Cupronickel
  • Titanium
  • Tantalum, Zirconium
Vanstone thermowells can be designed to suit the following applications:
  • CNC Vertical Machining Centre
  • Many options for materials of construction*
  • 3.1 or 3.2 Materials Traceability & NACE Compliance
  • PTFE/Ebonite/Stellite6 (or equivalent)
  • Cladded
  • ASME, API, PN Rated Process connection to suit all requirements
  • Design Pressures & Temperature to customer requirement
  • Non-Destructive Testing
  • Wake Frequency Calculations to ASME PTC 19.3
  • PED Compliance
Testing available on Vanstone Thermowells:
  • Hydrostatic Pressure Testing – External & Internal
  • Radiography of Full Penetration Welds
  • Liquid Dye Penetration Testing to PCN Level II
  • Positive Material Identification
  • Ferrite Content Measurement with Ferritescope Tester for Duplex Stainless Steels
FAQs
What is a vanstone thermowell?

A vanstone thermowell is machined from a single piece of metal and therefore has no welds, meaning a much stronger finshed product for extreme pressure and high velocity environments.