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TW12 Threaded Straight Lag Thermowell

Brand: Mac-Weld Machining Ltd.
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Mac-Weld's threaded thermowells are available in a wide variety of process thread sizes and configurations which include, but are not limited to, NPT, NPS, and BSPT.

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 threaded thermowells are designed and manufactured 100% in house, and are made to accept standard and custom made thermometers, thermocouples, bulbs and RTD's.
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Mac-Weld's threaded thermowells are available in a wide variety of process thread sizes and configurations which include, but are not limited to, NPT, NPS, and BSPT.

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 threaded thermowells are designed and manufactured 100% in house, and are made to accept standard and custom made thermometers, thermocouples, bulbs and RTD's.
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Specifications

Brand

Approvals & Certifications

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

Bore Size

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

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

NPT Connection

  • 1” NPT Male
  • 1/2” NPT Male
  • 1-1/2” NPT Male
  • 1-1/4” NPT Male
  • 3/4” NPT Male

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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