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- Thermowells
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- TWV - Vanstone
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TWV : Vanstone Thermowell
Type : Vanstone
Fabrication : Barstock
Lengths : Upto 28"
MOC : SS316 / Exotic Metals
Max Pressure : 400 bar
Min ID : 8 mm

Special Features :

Chemical, process, apparatus and plant engineering; petrochemical; on/offshore
High chemical loads
High process loads

Applications :

Thermowells within the TWV series are machined from solid bar and mounted between mating flanges for process insertion. This design of thermowell will accept thermocouples (TC), resistance temperature detectors (RTD), as well as mechanical and digital thermometers.
 
The dimensions of the Vanstone flange corresponds to the mating raised face diameter of the process flange.The Vanstone flange surface finish is usually machined with a phonographic spiral serration to match the mating process flange. During installation a gasket is inserted between the process flange and the Vanstone flange to maintain a pressure seal. A top flange is then placed over the Vanstone thermowell and bolted to the process flange using the correct bolting torque forces for the bolt size and material.
 
The required lap flange is not standard and can be provided as an optional extra.

Specifications :

Thermowell Style : Tapered, Straight, or Stepped
Flange Size : ASME 1, 1-1/2, or 2 inch
Pressure Rating : Up to 2500 psig
Insertion Length : Up to 62 inch (1575 mm) for single piece construction
Bore Size : 0.260 to 0.385 inch (6.6 to 9.8 mm)
Bore Depth : Up to 72 inch (1828 mm)
  Electrical Approvals : CSA, FM
Options : Wake frequency calculations
      Quality certificates
      Specialized polymer or metallic coating of wetted parts
      Product tagging
      Multi-piece construction for bore depths greater than 72 inch
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