Chromalox Big Red Book

First page Table of contents Previous page 1004 Next page Last page

Controls

260S/260L Thermowell For General Use

Dimensions (Inches) 260S

U Insertion Length

1-3/4

Note — NPSM internal pipe thread will accept both NPT and NPS male threads.

2-1/2

Thread Allowance

Q Dia.

1/2 Dia.

1/2 NSPM

± 0.002 0.260 Bore

P NPT

• 260S Standard Thermowell • 260L With 2 or 3" Lagging Extentions • Standard Threaded Well for 1/4" Diameter Elements • 1/2 and 3/4" NPT Standard. Additional Thread Sizes are Available on Request • Standard Well Materials: 304 SS, 316 SS, Carbon Steel and Brass • PFA Teflon ® Coated Thermowells are Available • For Companion Probe See Models NB & PR PCN 3/4-260S-U2 1/2-304SS/C 308654 3/4-260S-U2 1/2-316SS/C 308689 3/4-260S-U4 1/2-304SS/C 308662 3/4-260S-U4 1/2-316SS/C 308697 3/4-260S-U10 1/2-304SS/C 308670 3/4-260S-U10 1/2-316SS/C 308700 1/2-260S-U10 1/2-304SS/C 327361 1/2-260S-U10 1/2-316SS/C 327370 In Stock: Model

1/4

A Stem Length

STANDARD THERMOWELLS CODE Ordering Information

EXTERNAL THREADDING

1/2" NPT 3/4" NPT CODE U2 1/2 U4 1/2 U7 1/2 U10 1/2 U13 1/2 U16 1/2 U22 1/2

1/2-260S 3/4-260S

Insertion Length

NB or PR Probe Code Match

2-1/2" 4-1/2" 7-1/2"

4/C 6/C 9/C

10-1/2" 13-1/2" 16-1/2" 22-1/2"

12/C 15/C 18/C 24/C

CODE

Thermowell Material 304 Stainless Steel 316 Stainless Steel

304SS/C 316SS/C

Carbon Steel

CS/C

Brass

BRASS/C

3/4-260S-

U4 1/2-

304SS/C

Typical Model Number

Dimensions (Inches) 260L

U Insertion Length

T + 1-3/4 T

Note — NPSM internal pipe thread will accept both NPT and NPS male threads.

2-1/2

Lagging Extension

Thread Allowance

Wrench Allowance

Q Dia.

1/2 Dia.

1/2 NSPM

± 0.002 0.260 Bore

P NPT

1/4

A Stem Length

Ordering Information

LAGGING EXTENTION THERMOWELLS CODE

EXTERNAL THREADDING

1/2" NPT 3/4" NPT CODE U2 1/2 U4 1/2 U7 1/2 U10 1/2 U13 1/2 U19 1/2

1/2-260L 3/4-260L