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Protection Heads and Tubes

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price

C$0-C$49.99 (5)
C$50-C$199.99 (7)
C$200-C$499.99 (4)
C$500-C$999.99 (1)
C$1,000-C$100,000 (1)

In Stock

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Inner Diameter

0.125 in (1)
0.750 in (1)
0.070 in (1)
9.0 mm (1)
0.320 in (1)
0.312 in (1)

0.125 in (1)
0.750 in (1)
0.070 in (1)
9.0 mm (1)
0.320 in (1)
0.312 in (1)
0.156 in (1)
0.370 in (1)
6.0 mm (1)
0.437 in (1)
0.305 in (1)
0.052 in (1)
0.062 in (1)
0.194 in (1)
0.622 in (1)
1/4" (1)
0.210 in (1)
1 in (1)
5.0 mm (1)
0.132 in (1)
0.430 in (1)
0.875 in (1)
0.500 in (1)
16.0 mm (1)
0.375 in (1)
0.260 in (1)
0.187 in (1)
0.247 in (1)
0.078 in (1)
0.824 in (1)
0.250 in (1)
0.625 in (1)
12.0 mm (1)
0.367 in (1)

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Outer Diameter

0.125 in (2)
0.312 in (2)
0.500 in (2)
0.375 in (2)
0.187 in (2)
0.437 in (2)

0.125 in (2)
0.312 in (2)
0.500 in (2)
0.375 in (2)
0.187 in (2)
0.437 in (2)
0.250 in (2)
1.125 in (1)
1 in (1)
0.750 in (1)
1.062 in (1)
0.156 in (1)
0.875 in (1)
16.0 mm (1)
1.050 in (1)
0.840 in (1)
22.0 mm (1)
0.062 in (1)
28.0 mm (1)
1.250 in (1)
7.0 mm (1)
12.0 mm (1)

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Material

Aluminum (2)
316 Stainless Steel (2)
Cast Aluminum Body and Cap (2)
Cast Iron (2)
Cast Iron with Aluminum Cap (2)
Glass Reinforced Nylon (2)

Aluminum (2)
316 Stainless Steel (2)
Cast Aluminum Body and Cap (2)
Cast Iron (2)
Cast Iron with Aluminum Cap (2)
Glass Reinforced Nylon (2)
304 Stainless Steel (1)
Bakelite (1)
Burnished Die Cast Aluminum (1)
Bakelite Glass Fiber (1)
Feraloy with Iron Alloy (1)
321 Stainless Steel (1)
Alumina( 99.8%) (1)
Polypropylene (1)
Stainless Steel (1)
Silicon Nitride & Aluminum Oxide (1)
Mullite (1)
Ceramic (1)
Black Steel (1)
Inconel 600 (1)

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Process Connection

1/2" NPT (5)
None (4)
3/4" NPT (3)
1/2" NPT with compression fitting (2)
Not Applicable (2)
1/2" NPT with compression fitting for 1/8 to 1/4 in OD wire (1)

1/2" NPT (5)
None (4)
3/4" NPT (3)
1/2" NPT with compression fitting (2)
Not Applicable (2)
1/2" NPT with compression fitting for 1/8 to 1/4 in OD wire (1)
3/8" NPT with compression fitting (1)
M16 x 1.5 with compression fitting (1)
1/4" NPT (1)
1/2" BSPP (1)
1" NPT, 3/4" NPT (1)

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Length

12 in (3)
18 in (3)
24 in (3)
36 in (2)
1 in (1)
2 in (1)

12 in (3)
18 in (3)
24 in (3)
36 in (2)
1 in (1)
2 in (1)
51 in (1)
600 mm (1)
150 mm (1)
300 mm (1)
450 mm (1)
6 in (1)
48 in (1)

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Terminals

No terminal block (3)
Single element (2)
Duplex element (2)
4 terminals (CH-74) (1)
Duplex clement (1)
2 terminals (CH-73) (1)

No terminal block (3)
Single element (2)
Duplex element (2)
4 terminals (CH-74) (1)
Duplex clement (1)
2 terminals (CH-73) (1)
4 terminals (CH-74/M12) (1)
2 terminals (CH-73/M12) (1)
Not Applicable (1)

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Protection Tube Entry

1/2" NPT (3)
3/4" NPT (2)
Not Applicable (2)
M10 x 1 works with 1/8 NPT (1)
3/8" BSPP (1)
1/4" NPT (1)

1/2" NPT (3)
3/4" NPT (2)
Not Applicable (2)
M10 x 1 works with 1/8 NPT (1)
3/8" BSPP (1)
1/4" NPT (1)
1" NPT (1)
1" NPT, 3/4" NPT (1)

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Head Connection Size

None (3)
1/2 NPT (2)
3/4 NPT (2)
7/8 X 27NS (1)
7/8 X 27 NS (1)

Sensing End

Closed (4)
Open (1)

compliance

RoHS3 (5)

Protection Heads and Tubes

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Grid Table

8 Products

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Spring Loaded Fittings for 1/4" Diameter Probes

Self-gripping spring and 1/2" NPT threaded fitting can be added to any 1/4" diameter probe to convert it for thermowell use. Helps achieve optimal thermal contact.

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Thermocouple and RTD Protection Heads

Protection heads are available in a variety of materials, are compatible with various probe diameters and can use transmitters. Also, configurable w/ single or dual elements.

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Thermocouple Industrial Style Protection Heads

Industrial protection heads are available in a variety of materials, are compatible with various probe diameters & can use transmitters. Available in single or dual elements.

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316 SS and Inconel Open or Closed End Protection Tubes

Protection Tubes outside diameters range from 1/16" - 1/2". Can also be secured into pipes using OMEGALOK® compression fittings (Sold Separately).

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Ceramic Protection Tubes with Optional Fittings

Ceramic Protection Tubes are made from MEGATITE™ 450 and MEGATITE™ 300 which protect the sensor at temperatures as high as 1950°C (3540°F). Optional fittings are available.

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Metal Protection Tubes for Protection Head Assemblies

Metal Protection Tubes are use to further protect the sensor within the probe assemblies in mild to extreme environments depending on material type.

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Sanitary thermocouple & RTD Protection Heads

Sanitary protection heads are available in a variety of materials, are compatible with various probe diameters and can use transmitters. Single or dual elements available.

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OMEGATITE 650® Protection Tubes with Optional Fittings

OMEGATITE 650® Protection Tubes is an alloy of silicon nitride and aluminum oxide and is made to with stand high temperatures up to 1250°C, thermal shock & corrosion .

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Related Products

High Temp Thermocouples with Ceramic Tubes and Heads

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High Temp Thermocouples with Ceramic Tubes and Heads

Up to 1650°C (3000°F) RatingOxidizing or Reducing AtmospheresConnection Head With Terminal BlockCustom Probe Lengths Available.

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ceramic thermocouple

Protection Heads and Tubes

PROTECTION HEADS AND TUBES are vital pieces of equipment in many industrial, commercial, and laboratory applications, and can protect sensitive sensors from temperatures as high as 1,950 oC (3540 oF). Omega Engineering’s selection of PROTECTION HEADS AND TUBES features a wide range of materials and sizes, including: