Richards Thermocouple and Temperature Sensor Catalog 16

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PC

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Ceramic Protection Tubes, Alumina, Mullite, and Zirconia

Inches

Millimeters

Tolerances

Alumina

Mullite

Zirconia

O.D.

I.D.

O.D.

I.D.

O.D. and Length

Fitting, Steel

*

Fitting

1

AP08F-* AP11F-* AP12F-* AP16F-* AP18F-* AP20F-*

P08F-* P11F-* P12F-* P16F-* P18F-* P20F-*

ZP08F-* ZP11F-* ZP12F-* ZP16F-*

1/2 11/16 3/4 1 1 1/8 1 1/4

3/8 7/16 1/2 1 7/8 1 5/8

12.7 17.5 19.1 25.4 28.6 31.8

9.5 11.1 12.7 19.1 22.2 25.4

1/2” NPT x 3/4” NPT 1/2” NPT x 3/4” NPT 1/2” NPT x 3/4” NPT 3/4” NPT x 1” NPT 1” NPT x 1 1/4” NPT 1” NPT x 1 1/4” NPT

O.D. ± 5%

or .025” Length ± .062”

For a Fitting made of 316 Stainless Steel add SS16 to part number. Example: P11FSS16-12 .

Hex Fitting

*

Hex Fitting

2”

2

AP03HX-* AP04HX-* AP06HX-* AP08HX-* AP11HX-* AP16HX-* AP18HX-* AP20HX-*

P03HX-* P04HX-* P06HX-* P08HX-* P11HX-* P16HX-* P18HX-* P20HX-*

3/16 1/4 3/8 1/2 11/16 1 1 1/8 1 1/4

1/8 5/32 1/4 3/8 7/16

4.8 6.4 9.5

3.2 4.0 6.4 9.5

1/8” NPT x 1/8” NPT x 2” 1/4” NPT x 1/4” NPT x 2.25” 1/2” NPT x 1/2” NPT x 2” 3/4” NPT x 3/4” NPT x 2” 3/4” NPT x 3/4” NPT x 2” 1” NPT x 1” NPT 1 1/4” NPT x 1 1/4” NPT 1 1/4” NPT x 1 1/4” NPT

O.D. ± 5% or .025”

ZP04HX-* ZP06HX-* ZP08HX-* ZP11HX-* ZP16HX-*

12.7 17.5 25.4 28.6 31.8

11.1 19.1 22.2 25.4

Length ± .062”

3/4 7/8 1

Nipple, Steel

*

NPT Length

AP04N-* AP06N-* AP08N-* AP11N-* AP12N-* AP16N-* AP18N-* AP20N-*

P04N-* P06N-* P08N-* P11N-* P12N-* P16N-* P18N-* P20N-*

ZP04N-* ZP06N-* ZP08N-* ZP11N-* ZP12N-* ZP16N-*

1/4 3/8 1/2 11/16 3/4 1 1 1/8 1 1/4

5/32 1/4 3/8 7/16

6.4 9.5

4.0 6.4 9.5

1/4” x 1/4” 3/8” x 3/8” 3/4” x 3/4” 3/4” x 3/4” 3/4” x 3/4” 1” x 1”

1” 1 1/2” 2 1/2” 2 1/2” 2 1/2”

O.D. ± 5% or .025”

3

12.7 17.5 19.1 25.4 28.6 31.8

11.1 12.7 19.1 22.2 25.4

1/2 3/4 7/8 1

Length ± .062”

3” 3” 3”

1 1/4” x 1 1/4” 1 1/4” x 1 1/4”

Nipple, Alloy

*

Z

AP04N9-* AP06N9-* AP08N9-* AP11N9-* AP12N9-* AP16N9-* AP18N9-* AP20N9-*

P04N9-* P06N9-* P08N9-* P11N9-* P12N9-* P16N9-* P18N9-* P20N9-*

ZP04N9-* ZP06N9-* ZP08N9-* ZP11N9-* ZP12N9-* ZP16N9-*

1/4 3/8 1/2 11/16 3/4 1 1 1/8 1 1/4

5/32 1/4 3/8 7/16

6.4 9.5

4.0 6.4 9.5

1/4” NPT 3/8” NPT 3/4” NPT 3/4” NPT 3/4” NPT 1” NPT

O.D. ± 5% or .025”

IF no “Z” Length then “Z” = 6” Standard

12.7 17.5 19.1 25.4 28.6 31.8

4

11.1 12.7 19.1 22.2 25.4

1/2 3/4 7/8 1

Length ± .062”

1 1/4” NPT 1 1/4” NPT

These are composed of a ceramic tubes with a nipple of specified length “ Z ”. If the length is not specified then it is the standard length of 6 inches (152.4 mm). The number “ 9 ” signifies # 9 Alloy which is standard. Other alloy codes can be used (see codes on page 93) Example: The part number AP11N9-4-24 signifies A 24 gauge, 11/16” O.D. Mullite tube, 24” long, and a #9 alloy nipple 4” long. Other combinations can be specified depending on your application.

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