Richards Thermocouple and Temperature Sensor Catalog 16

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Angle Assemblies - Double Tube -Types B, E, J, K, N, R, & S - Standard Head (SH)

The Richards Double Tube Thermocouple Assemblies are designed for severe service applications. The double tube assemblies with a metal outer tube are for applications where mechanical damage and thermal shock to the thermocouple is a problem. The double tube assemblies, which have a Silicon Carbide outer tube are for applications where thermal shock and flame contact is a problem. Double ceramic tube assemblies are for extra protection against corrosive atmospheres. We offer many other combinations of double tubes, which we could not list in this catalog. Richards double tube assemblies can be made from any type of metal or ceramic tube, which is available. ! Note: If you would like to order a Type E, J, or Type N assembly, just substitute the K with an E, J, or N in the part numbers listed on this page. Triple Tube Assemblies are also available. If you would like to order a Type B, R, or S assembly just substitute the K with B, R, or S and the 8 with 24 in the part numbers listed on this page. Example: The part number 24S6-P11F-734XH-18-24-SH signified a double tube angle assembly, 24 gauge, Type S, 18” Mullite P11F inner primary tube, 18” 734XH outer secondary tube, 24” long cold leg , and a Standard Head ( SH ). Other combinations can be specified. Triple tube assemblies are also available.

Primary Tube (Inner)

Secondary Tube (Outer)

Wire Gauge

Type K

Mullite Porcelain - P11F 63.5% Aluminum Oxide. Balance Silicon Dioxide Construction: Single tube, O.D. 11/16” (17.5 mm) 1/2” x 3/4” NPT steel fitting. Mullite Porcelain - P11F 63.5% Aluminum Oxide. Balance Silicon Dioxide Construction: Single tube, O.D. 11/16” (17.5 mm) 1/2” x 3/4” NPT steel fitting. Mullite Porcelain - P06 63.5% Aluminum Oxide. Balance Silicon Dioxide Construction: Single tube, O.D. 3/8” (9.5 mm) Cemented Mullite Porcelain - P11 63.5% Aluminum Oxide. Balance Silicon Dioxide Construction: Single tube, O.D. 11/16” (17.5 mm) Cemented Mullite Porcelain - P11F 63.5% Aluminum Oxide. Balance Silicon Dioxide Construction: Single tube, O.D. 11/16” (17.5 mm) 1/2” x 3/4” NPT steel fitting. Mullite Porcelain - P11F 63.5% Aluminum Oxide. Balance Silicon Dioxide Construction: Single tube, O.D. 11/16” (17.5 mm) 1/2” x 3/4” NPT steel fitting. Mullite Porcelain - P11F 63.5% Aluminum Oxide. Balance Silicon Dioxide Construction: Single tube, O.D. 11/16” (17.5 mm) 1/2” x 3/4” NPT steel fitting. Mullite Porcelain - P11F 63.5% Aluminum Oxide. Balance Silicon Dioxide Construction: Single tube, O.D. 11/16” (17.5 mm) 1/2” x 3/4” NPT steel fitting. Mullite Porcelain - P11F 63.5% Aluminum Oxide. Balance Silicon Dioxide Construction: Single tube, O.D. 11/16” (17.5 mm) 1/2” x 3/4” NPT steel fitting.

#7 Seamless Stainless Steel (446) - 734XH Chromium 23-27%, Manganese 1.5% Silicon 1%, Nitrogen .25%, Carbon 2%, Sulphur .030%, Phosphorous .040%, Iron (Balance) Construction: 3/4” pipe, Extra Heavy, Schedule 80 #9 Seamless Stainless Steel Alloy (600) - 934 Nickel 76%, Chromium 15.5%, Iron 8%, Manganese .5%, Silicon .2%, Copper .2%, Carbon .08% Construction: 3/4” pipe, Schedule 40 Mullite Porcelain - P11F 63.5% Aluminum Oxide. Balance Silicon Dioxide Construction: Single tube, O.D. 11/16” (17.5 mm) 1/2” x 3/4” NPT steel fitting. Mullite Porcelain - P16F 63.5% Aluminum Oxide. Balance Silicon Dioxide Construction: Single tube, O.D. 1” (25.4 mm) 3/4” x 1” NPT steel fitting. CIXH (Cast Iron Extra Heavy) - CIXH Extra Heavy wall, Cast Iron Tube Construction: Single tube, O.D. 1.63” (41.1 mm) Silicon Carbide, Bushing - SCB 90.0% Silicon Carbide, 9% Silicon Dioxide Construction: Single tube, O.D. 1 3/4” (44.5 mm) 2.0” NPT Machined Steel Bushing Silicon Carbide, Fitting - SCF 90.0% Silicon Carbide, 9% Silicon Dioxide Construction: Single tube, O.D. 1 3/4” (44.5 mm) FSC1216 cast iron fitting and 3 stainless steel screws Silicon Carbide, Isopressed - SCI34 90.0% Silicon Carbide, 9% Silicon Dioxide Construction: Single tube, Isopressed over a 3/4” NPT steel pipe. O.D. 2.0” (50.8 mm) CIXHCG (Cast Iron Extra Heavy Coated) - CIXHCG Extra Heavy wall, Coated Cast Iron Tube Construction: Single tube, O.D. 1.63” (41.1 mm)

8

8K6-P11F-734XH-*-SH

1

14

14K6-P11F-734XH-*-SH

8

8K6-P11F-934-*-SH

2

14

14K6-P11F-934-*-SH

14

14K6-P06-P11F-*-SH

3

20

20K6-P06-P11F-*-SH

8

8K6-P11-P16F-*-SH

4

14

14K6-P11-P16F-*-SH

8

8K6-P11F-CIXH-*-SH

5

14

14K6-P11F-CIXH-*-SH

8

8K6-P11F-CIXHCG-*-SH

6

14

14K6-P11F-CIXHCG-*-SH

8

8K6-P11F-SCB-*-SH

7

14

14K6-P11F-SCB-*-SH

8

8K6-P11F-SCF-*-SH

8

14

14K6-P11F-SCF-*-SH

8

8K6-P11F-SCI34-*-SH

9

14

14K6-P11F-SCI34-*-SH

* Add required thermocouple length. Multiples of 6” (152.4 mm) starting at 12” are considered stock.

Page 72

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