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price

$0-$49.99 (6)
$50-$199.99 (16)
$200-$499.99 (15)
$500-$999.99 (3)
$1,000-$100,000 (1)

In Stock

sku_availability

Insertion Length

7 1/2 in (13)
2 1/2 in (13)
4 1/2 in (13)
10 1/2 in (12)
13 1/2 in (10)
16 1/2 in (6)

7 1/2 in (13)
2 1/2 in (13)
4 1/2 in (13)
10 1/2 in (12)
13 1/2 in (10)
16 1/2 in (6)
22 1/2 in (6)
19 1/2 in (4)
2 in (3)
4 in (3)
10 in (3)
1 5/8 in (3)
16 in (2)
22 in (2)
13 in (2)
7 in (2)
200 mm (1)
12 in (1)
14 1/16 in (1)
8 in (1)
8 1/16 in (1)
5 1/16 in (1)
6 in (1)
140 mm (1)
20 1/16 in (1)
260 mm (1)
48 in (1)
2 9/16 in (1)

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Stem length/Probe Length

9 in (15)
6 in (15)
12 in (14)
15 in (12)
18 in (12)
4 in (11)

9 in (15)
6 in (15)
12 in (14)
15 in (12)
18 in (12)
4 in (11)
24 in (11)
2 1/2 in (3)
9 1/4 in (1)
6 1/8 in (1)
11 3/4 in (1)
12 1/8 in (1)
13 1/4 in (1)
24 1/8 in (1)
11 1/4 in (1)
9 1/8 in (1)
5 1/4 in (1)
7 1/4 in (1)
9 3/8 in (1)
3 1/4 in (1)
18 1/8 in (1)
7 in (1)

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Material

316 Stainless Steel (17)
304 Stainless Steel (15)
Carbon Steel (13)
Brass (12)

Pressure Rating

5200 PSI @ 70 F (8)
5000 PSI @ 70 F (7)
7000 PSI @ 70 F (6)
7000 PSI @70 F (2)
7800 PSI @ 70 F (2)
Not Applicable (2)

5200 PSI @ 70 F (8)
5000 PSI @ 70 F (7)
7000 PSI @ 70 F (6)
7000 PSI @70 F (2)
7800 PSI @ 70 F (2)
Not Applicable (2)
5950 PSI @ 70 F (2)
5300 PSI @ 70 F (2)
2810 PSI @ 70 F (2)
150 PSI @70 F (1)
3160 PSI @ 70 F (1)
4120 PSI @70 F (1)
4120 PSI @ 70 F (1)
7000 psi @ 200 F (1)
720 PSI @ 70 F (1)
940 PSI @ 70 F (1)
1470 PSI @ 70 F (1)
640 PSI @ 70 F (1)
2150 PSI @70 F (1)
300 PSI @ 70 F (1)

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Shank Diameter

7/8 in (9)
3/4 in (7)
1/2 in (6)
5/8 in (5)
49/64 in (4)
1 1/16 in (4)

7/8 in (9)
3/4 in (7)
1/2 in (6)
5/8 in (5)
49/64 in (4)
1 1/16 in (4)
1 in (1)

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Features

Not Applicable (11)
2 in lag extension (3)
Cap and Chain (3)
3 in lag extension (2)
Heavy Duty (2)
Fits Liquid-Glass Thermometer (1)

Not Applicable (11)
2 in lag extension (3)
Cap and Chain (3)
3 in lag extension (2)
Heavy Duty (2)
Fits Liquid-Glass Thermometer (1)
Flat face Flange (1)
Raised face Flange (1)
2 in lag extension and Cap and Chain (1)
Heavy Duty 3 in lag (1)
Tri-Clamp Compatible (1)
Heavy Duty 2 in lag (1)

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Bore Diameter

0.260 in (11)
0.385 in (9)
7 mm (1)
0.445 in (1)
9 mm (1)

Shank Style

Straight (12)
Step Down Style (6)
Tapered (5)

Flange Size

Not Applicable (15)
2 in (2)
1 1/2 in (2)
1 in (1)
2 1/2 in (1)

Internal Thread

1/2 in NPSM (16)
1 1/4 -18 NEF (1)
1/4 in NPT (1)

Probe Length

9 in (1)
24 in (1)
Not Applicable (1)

Probe Diameter

5/8 in (1)
3/4 in (1)
7/8 in (1)

Electrical Connection Type

1/2 in NPT (1)
1 in NPT (1)
3/4 in NPT (1)

Stem length/Probe Lenght (new)

4 in (1)
50 in (1)

Pressure Rating (Changed from Flange rating)

7000 PSI @70 F (1)

External thread (Changed Name from Flange Size)

1/2 in NPT (1)

Thermowells

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Thermowells

Thermowells are protective devices used to house temperature sensor probes and allow for accurate and safe temperature measurement. Thermowells are commonly used in a variety of industrial, commercial, and laboratory applications. Omega Engineering offers a selection of thermowells for both threaded and socket-weld designs – featuring bore diameters of 0.260” and 0.385” for ¼” and 3/8” diameter elements.

Our thermowells are designed to ensure accuracy and reliability and are available in a variety of materials – from stainless steel to Hastelloy – to accommodate a range of application requirements. They offer greater durability and longer life and our Lagging Extension Thermowells are ideal for high-vibration applications. We also provide test and limited space thermowells as well as sanitary thermowells for use in the food and beverage and pharmaceutical industries.