001 Front Cover

Manufacturing, Engineering and Sales tince I938

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Phone: 617-527-4i85

Fax: 6 I 7-g 04-3 746

E-Mail: sales@asrichards. com

Metal Protection Tubes - Nominal Pipe Sizes (NPS)

t Note: Richards SP metal thermocouple protection tubes are manufactured from drilled solid bar stock to maximize the wall thickness. They are excellent for high temperature, severe service applications where extra stiffness and wear resistance are critical.

SP

PIpe Slze

lrf

2

Ptpe SIze

!r/4" t/2" ,/8" l/4"

3

t PiPe Size

4

t Pipe Size

5

' Pipe Size

(t

t PiPe Size

ff Size Cast lron U*Coatod Cast lron Coatcd t/8 , PTPE

7

8

I

Open Tube Examples: The part number 601-YOBE-I2 signifies a 1" O.D., Alloy 601, open both ends, with no threads. The part number 601-OBE-I2 signifies a 1" O.D., Alloy 601, open both ends, with one end threaded. The part number 601-OBE2T-12 signifies a 1" O.D., Alloy 601, open both ends, with both ends threaded. Closed Tube Examples: The part number 601-12 signifies a 1" O.D., Alloy 601, closed one end, with one end threaded.

The part number 601-12-NT signifies a 1" O.D., Alloy 601, closed one end, with no threads. The part number 601-12-OT1.5 signifies a 1" O.D., Alloy 601, closed one end, 1.5" long threads. The part number 601-12-HWP signifies a 1" O.D., Alloy 601, closed one end, 3/16" weep hole 3" from end.

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