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Threaded Thermowells
Brand: Mac-Weld Machining LtdMac-Weld manufactures threaded thermowells in a wide variety of process thread sizes and confi gurations which include, but are not limited to, NPT, NPS, and BSPT.
Our threaded 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 is a pioneer and global leader in the manufacturing of thermowells, and have consistently offered the highest quality and precision in every piece that has left our facility. Whether made to order, or standard confi gurations, all our products meet or exceed accepted standards.
Features- Custom software for thermowell design calculations
- Available in various shank styles; stepped, straight and tapered
- Standard or customized shank dimensions and styles
- Large selection of materials available
- CRN approved thermowells
- Various NDT options
- NACE compliant
Specifications
Stem Style
- Stepped
- Straight
- Tapered
Insertion 'U' Length
- ≥ 2.5" (6.35 cm)
Plug Material
- 304 Stainless Steel
- Brass
Special Cleaning & Packaging
- Cleaning O₂ or Chlorine
Approvals & Certifications
- Dye Penetration Testing
- Hydrostatic Internal Testing
- Material Test Report
- Radiograph
Bore Size
- 0.260" to 0.703" (6.60 to 17.86 mm)
Material
- 304/304L/304H Stainless Steel
- 317/317L Stainless Steel
- 410/446 Stainless Steel
- 321/H Stainless Steel
- Chrome-Moly F9/F91
- RA330
- Alloy K500
- Alloy X
- Alloy 800/H/HT
- HR160
- 904 Stainless Steel
- Chrome-Moly F11
- Duplex F51/2205
- CPVC
- LF2
- Super Duplex F53/2507
- Stainless F44/254 SMO
- Super Duplex F55
- Tit Gr2/Gr5/Gr7
- Zirc 702
- 310/310H Stainless Steel
- 316/316L Stainless Steel
- 347/H Stainless Steel
- Alloy 20/200/400/600/601/625/825/B2/B3/C-22/C-276
- Aluminum 6061
- Brass
- Carbon Steel 1018/12L14
- Carbon Steel ASTM A105
- Chrome-M Moly F22
- Chrome-Moly F5
- Titanium
- Naval Brass
- PVC
- Teflon
NACE & NIST
- NACE MR0175
Process Connection
- 1/2" NPSM
- 1/2" ANPT
- 1/2" BSPP / 3/4" BSPP
- 1/2" BSPT / 3/4" BSPT
- M14 x 1.5
- M18 x 1.5
- M20 x 1.5
- M24 x 1.5
- M27 x 2.0
- 1/4" - 20 UNF
- 1/2" - 20 UNF
- 3/8" - 24 UNF
- 5/8" - 18 UNF
- 3/4" - 16 UNF
- 7/8" - 14 UNF
- 1" - 14 UNF
- 1/8" NPT to 1-1/2" NPT
Instrument Connection
- 1/8" NPT to 1-1/2" NPT
- 1/2" NPSM
- 1/2" NPT TO CSA
- 1/2" ANPT
- 1/2" BSPP / 3/4" BSPP
- 1/2" BSPT / 3/4" BSPT
- M14 x 1.5
- M18 x 1.5
- M20 x 1.5
- M24 x 1.5
- M27 x 2.0
- 1/4" - 20 UNF
- 3/8" - 24 UNF
- 1/2" - 20 UNF
- 5/8" - 18 UNF
- 3/4" - 16 UNF
- 1" - 14 UNF
- 7/8" - 14 UNF
- 3/4” Pipe (1.05” Dia.)
- 1/2” to 1-1/2" Pipe (0.840 to 1.900” Dia.)
- 1-1/4” to 1-3/4" OD