Temperature Sensor and Thermowell

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Home Products Control and instrumentation devices Temperature Sensor and Thermowell

Two of most accurate and commonly used temperature sensors are RTD & Thermocouple.Thermowells are tubular fittings used to protect temperature sensors installed in industrial processes.

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010

Model

	Product Description
TW74	Thermowell

020

Mounting style

		Details
V	Van Stone, lap flange	Default cover flange material is carbon steel Made with a standard bore diameter of 0.26-in. (6.5mm) and tip wall thickness of 0.25-in. (6.4 mm)

030

Dimension Unit

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

040

Material


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

050

Immersion Length


xxxx	xxx.x inches, 2 to 60 inches in 1/4-in. increments
xxxx	xxxx mm, 25 to 1300 mm in 5-mm increments

060

Process connections


CA	1-in. Class 150
CB	1 ½ -in. Class 150
CC	2-in. Class 150
CD	3-in. Class 150
CE	4-in. Class 150
CF	6-in. Class 150
CG	1-in. Class 300
CJ	1 ½ -in. Class 300
CI	2-in. Class300
CK	1-in. Class 400/600
CL	1 ½ -in. Class 400/600
CM	2-in. Class 400/600
CN	1-in. Class 900/1500
CP	1 ½ -in. Class 900/1500
CQ	2-in. Class 900/1500
CT	1-in. Class 2500
CR	1 ½ -in. Class 2500
CS	2-in. Class 2500
DH	DN 40 / PN 10/16/25/40
DI	DN 40 / PN 63/100
DJ	DN 50 / PN 2.5/6
DK	DN 50 / PN 10/16
DL	DN 50 / PN 25/40
DM	DN 50 / PN 63
DN	DN 50 / PN 100

070

Stem style

		Details
SR	Straight	Minimum immersion length = 1 in (25mm)
TR	Tapered	Minimum immersion length = 1 in (25mm)
ST	Stepped	Minimum immersion length = 3 in (25mm)

080

Head Length


xxx	xx.x inches, 2.25 to 11.25 inches in ¼ -in. increments
xxx	xxx mm, 45 to 225 mm in 5-mm increments

090

Instrument connection

		Details
SA	1/2–14 NPT	Female Threads
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

200

Flange face


R10	Flat	Flat flange face
R11	Raised face, Type B2	Raise face
R12	RTJ	Ring type joint flange face

210

Material certification


Q8	Thermowell material Certification, EN 10204 3.1

220

NACE Certificate


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

300

Root diameter (A)


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

310

Tip diameter (B)


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

320

Non-standard bore diameter (d)

		Details
D1	0.1-in./ 2.5 mm	Standard = 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

330

Non-standard tip thickness (t)

		Details
T1	0.197-in./5.0 mm	Default = 0.275-in.(7mm)
T2	0.236-in./6.0 mm	Default = 0.275-in.(7mm)

340

Pressure Testing


P1	Hydrostatic Testing with Certificate

350

More Options


H	Plug

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Temperature Sensor and ThermowellVan-Stone Thermowell TW74

Temperature Sensor and Thermowell
Van-Stone Thermowell TW74