Richards Thermocouple Cat17 Brn

Ceramic Protection Tubes - Alumina, Mullite, and Zirconia

Inches

Millimeters

Tolerances

Alumina

Mullite

Zirconia

O.D. / Length

O.D.

I.D.

O.D.

I.D.

*

Collar

Collar O.D x Width

AP03C-* AP04C-* AP06C-* AP08C-* AP11C-* AP12C-* AP16C-* AP18C-* AP20C-*

P03C-* P04C-* P06C-* P08C-* P11C-* P12C-* P16C-* P18C-* P20C-*

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

1/2” x 3/8” 11/16” x 1/4” 11/16” x 1/4” 11/16” x 1/4” 1” x 3/8” 1 1/4” x 3/8” 1 1/2” x 3/8” 1 5/8” x 5/16” 1 5/8” x 5/16”

7

ZP04C-* ZP06C-* ZP08C-* ZP11C-* ZP12C-* ZP16C-*

O.D. ± 5% or .025”

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”

*

Coupling, Steel

NPT Length

AP03CP02-* AP04CP02-* AP06CP04-* AP08CP04-* AP11CP06-* AP11CP08-* AP12CP08-* AP14CP12-* AP16CP12-* AP18CP12-* AP20CP16-* AP30CPT20-*

P03CP02-* P04CP02-* P06CP04-* P08CP04-* P11CP06-* P11CP08-* P12CP08-* P14CP12-* P16CP12-* P18CP12-* P20CP16-* P30CPT20-*

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

1/8 5/32

4.8 6.4 9.5

3.2 4.0 6.4 9.5

1/8” 1/8” 1/4” 1/4” 3/8” 1/2” 1/2” 3/4” 3/4” 3/4” 1” 1 1/4”

3/4” 3/4”

8

ZP04CP02-* ZP06CP04-* ZP08CP04-* ZP11CP06-* ZP11CP08-* ZP12CP08-* ZP14CP12-* ZP16CP12-*

1/4 3/8

1” 1” 1 3/16”

12.7 17.5 17.5 19.1 22.2 25.4 28.6 31.8 47.6

O.D. ± 5% or .025”

11/16 11/16

7/16 7/16 1/2 3/4 5/8 7/8 1 1 5/8

11.1 11.1 12.7 15.9 19.1 22.2 25.4 41.3

1 1/2” 1 1/2” 1 5/8” 1 5/8” 1 5/8” 2” 2 1/2”

3/4 7/8 1

Length ± .062”

1 1/8 1 1/4 1 7/8

*

Nipple, Brass

9

2” length 7/8-27 UNS fine thread

Same as above

AP11NL-*

P11NL-*

ZP11NL-*

11/16

7/16

17.5

11.1

* Add the required length in the part number. Multiples of 6” (152.4 mm) starting at 12” (304.8) are considered stocked.

Tubes may be ordered with Both Ends Open by adding “ OBE ” to the part number before the length. Normally stock lengths of multiples of 6 inches starting at 12 inches are cut off making the tube approximately 1/2 inch shorter, which in most applications is not a problem.

For example a P11F-12 would be cut to P11F-OBE-11 1/2 . However, an actual 12 inch OBE can be made by cutting down the next stand- ard length (18 inches) but it would add additional material cost (5 1/2 inches) for the 1/2 inch lost. Tubes with, or without, mountings on one end can be open both ends. Example: P16F-OBE-18 .

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