Temperature Sensor and Thermowell

010

Model

	Product Description
TW74	Thermowell

020

Mounting Style


T	Threaded

030

Material


A	316 Stainless steel
B	316L Stainless steel
C	304 Stainless steel
D	304L Stainless steel
E	Carbon steel
Z	Others

040

Dimension Unit

		Details
M	Metric units (mm)	Metric units (mm) Only applies to lengths
E	English/U.S. units (inches)	Metric units (mm) Only applies to lengths

050

Immersion Length

		Details
xxx.x	xxx.x inches	1.25 to 20 inches in 1/4-in. increments
xxxx	xxxx mm	30 to 500 mm in 5-mm increments

060

Stem style


SR	Straight
TR	Tapered
ST	Stepped

070

Process connections

		Head Hex Size	Thread Length	Thread Diameter	Root diameter stepped stem	Root diameter tapered stem	Tip diameter	Tip diameter straight stem
AA	½ –14 NPT	27mm	20mm	21mm	17	17	14	17
AB	¾ –14 NPT	30mm	20mm	27mm	19	22.5	16	18
AC	1–11.5 NPT	36mm	25mm	33mm	21.5	26.5	18	18
AD	1 ½ –11.5 NPT	52mm	38mm	48mm	21.5	26.5	18	18
AE	½-in. BSPT	27mm	20mm	21mm	17	17	14	17
AF	¾ -in. BSPT	32mm	20mm	27mm	19	22.5	16	18
AG	1-in. BSPT	36mm	25mm	33mm	21.5	26.5	18	18
DA	M20 x 1.5p	27mm	20mm	20mm	17	17	14	17
DB	M24 x 1.5p	27mm	20mm	24mm	19	19	14	19
DC	M27 x 2p	30m	20mm	27mm	19	19	14	19
DD	M33 x 2p	36mm	25mm	33mm	21.5	26.5	18	21.5
DE	½ -in. BSPF (G1/2)	27mm	20mm	21mm	17	17	14	17
DF	¾ -in. BSPF (G3/4)	32mm	20mm	27mm	19	22.5	16	19
DG	1-in. BSPF (G1)	36mm	25mm	33mm	21.5	26.5	18	21.5

080

Head Length

		Details
xxx.x	xxx.x inches, 1.75 to 11.25 inches in 1/4-in. increments	Example of a 6.25-in. length where the second decimal is dropped off: 062 (Default head length = 1.75 inch)
xxxx	xxxx mm, 40 to 225 mm in 5-mm increments	Example of a 50 mm length: 050 (Default head length = 45 mm)

090

Instrument Connection


SA	1/2–14 NPT
SB	1/2–14 NPSM
SC	3/4–14 NPT
SG	G 1/2-in. (BSPF)
SH	G 3/4-in. (BSPF)
SJ	M14 x 1.5p
SD	M18 x 1.5p
SE	M20 x 1.5p
SF	M24 x 1.5p
SI	M27 x 2p

100

Material certification


Q8	Thermowell material Certification, EN 10204 3.1

110

NACE Certificate


Q15	Certificate of Compliance to NACE MR0175/ISO 15156 for wetted materials

190

Root diameter (A)


Axxx	x.xx inches, 0.4 to 3.15 inches in 0.01-in. increments
Axxx	x.xx mm, 10 to 80 mm in 0.5-mm increments

200

Tip diameter (B)


Bxxx	x.xx inches, 0.4 to 1.80 inches in 0.01-in. increments
Bxxx	x.xx mm, 10 to 46 mm in 0.5-mm. increments

210

Non-standard bore diameter (d)

		Details
D1	0.1-in./ 2.5 mm	Default = 0.276-in.(7mm)
D2	0.12-in./ 3 mm
D3	0.18-in./ 4.5 mm
D4	0.22-in./ 5.5 mm
D5	0.26-in./ 6.5 mm
D6	0.276-in./ 7 mm
D7	0.34-in./ 8.5 mm
D8	0.42-in./ 10.5 mm
D9	0.5-in./12.5 mm
Z	Special

230

Pressure Testing


P1	Hydrostatic Testing with Certificate

240

More Options


H	Plug

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Temperature Sensor and Thermowell
Threaded Thermowell TW74

Search results:

Temperature Sensor and ThermowellThreaded Thermowell TW74

Temperature Sensor and Thermowell
Threaded Thermowell TW74