TW31 Flanged Stepped Thermowell

Brand: Mac-Weld Machining Ltd.
Mac-Weld is a pioneer and global leader in the manufacturing of thermowells, always offering the highest quality and precision. Made to order, or standard configurations, all meet or exceed accepted standards. Mac-Weld's flanged thermowells are designed and manufactured 100% in house, and are made to accept standard and custom made thermometers, thermocouples, bulbs and RTD's. Mac-Weld flanged thermowells are also available in a large variety of flange sizes, and configurations that include, but are not limited to, raised face, flat face, and ring type joint.

Material Options : 316 Stainless Steel, 304 Stainless Steel, Carbon Steel, 310 Stainless Steel, 321 Stainless Steel, 347 Stainless Steel, Alloy 20, C-276, Duplex, Incoloy® 800, Inconel® 600, Inconel® 625, Inconel® 825, Monel 400, and Titanium (More available upon request) •All flanges are welded to Code.
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Mac-Weld is a pioneer and global leader in the manufacturing of thermowells, always offering the highest quality and precision. Made to order, or standard configurations, all meet or exceed accepted standards. Mac-Weld's flanged thermowells are designed and manufactured 100% in house, and are made to accept standard and custom made thermometers, thermocouples, bulbs and RTD's. Mac-Weld flanged thermowells are also available in a large variety of flange sizes, and configurations that include, but are not limited to, raised face, flat face, and ring type joint.

Material Options : 316 Stainless Steel, 304 Stainless Steel, Carbon Steel, 310 Stainless Steel, 321 Stainless Steel, 347 Stainless Steel, Alloy 20, C-276, Duplex, Incoloy® 800, Inconel® 600, Inconel® 625, Inconel® 825, Monel 400, and Titanium (More available upon request) •All flanges are welded to Code.

TW31

Bore Size

Flange Size

Stem Material

Flange Material

Stem Length

Plug and Chain Material

Thread

Weld Options

Surface Finish

Coating

Tests & Certificates

Dye Penetration Testing

Material Testing

Power Supply

Specifications

Approvals & Certifications

  • Dye Penetration Testing
  • Hydrostatic Internal Testing
  • Material Test Report
  • Radiograph

Bore Size

  • 0.260" (6.6 mm)
  • 0.385" (9.78 mm)

Flange Size - 1" (DN25)

  • 1" (DN25) - 150#
  • 1" (DN25) - 300#
  • 1" (DN25) - 600#

Flange Size - 1-1/2" (DN40)

  • 1-1/2" (DN40) - 150#
  • 1-1/2" (DN40) - 300#
  • 1-1/2" (DN40) - 600#

Flange Size - 2" (DN50)

  • 2" (DN50) - 150#
  • 2" (DN50) - 300#
  • 2" (DN50) - 600#

Flange Type

  • Stepped
  • Straight
  • Tapered

Insertion 'U' Length

  • 10" (25.4 cm)
  • 13" (33 cm)
  • 16" (40.6 cm)
  • 22" (56 cm)
  • 34" (86 cm)
  • 4" (10.1 cm)
  • 40" (101.6 cm)
  • 5.5" (14 cm)
  • 7" (17.8 cm)

Materials of Construction

  • 304 Stainless Steel
  • 304L Stainless Steel
  • 310 Stainless Steel
  • 316 Stainless Steel
  • 316L Stainless Steel
  • 347 Stainless Steel
  • Alloy 20 or Incoloy®
  • Aluminum 6061
  • Brass
  • Carbon Steel
  • Carbon Steel A105
  • Chrome-M Moly F-22
  • Chrome-Moly F-11
  • Hastelloy® B
  • Hastelloy® C-276
  • Incoloy® 800
  • Inconel® 600
  • Kynar
  • Kynar Coating
  • Monel® 400
  • Naval Brass
  • Nickel 200
  • PVC
  • Special
  • Stellite over Spray
  • Teflon
  • Teflon Coating
  • Titanium

NACE & NIST

  • NACE MR-1090

Options

  • 125/250 RMS Flange Finish
  • 4-12 RMS High Polish Stem Finish
  • Full Penetration Weld
  • Stress Relieving
  • Tantalum Sheath (Straight Stem Only)
  • Velocity Calculation (Tapered Wells Only)

Plug Material

  • 304 Stainless Steel
  • Brass

Special Cleaning & Packaging

  • Cleaning O2 or Chlorine

Stem Length

  • 12" (30.5 cm)
  • 15" (38.1 cm)
  • 18" (45.7 cm)
  • 2.5" (6.35 cm)
  • 24" (61 cm)
  • 36" (91.4 cm)
  • 4" (10.2 cm)
  • 42" (106.7 cm)
  • 6" (15.2 cm)
  • 7.5" (19.1 cm)
  • 9" (22.9 cm)

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