Socket-Weld Design Thermowells for 3/8" Diameter Elements
Series 385W


Application:
260W series fits standard length 1/4" diameter elements. 385W series fits standard length 3/8" diameter elements.

Connection Size: 3/4" or 1" nominal pipe size welding shoulder fits ASA welding fittings, flanges, etc. Wells for larger pipe size fittings are available upon request.


Materials: Carbon Steel (C-1018), A.I.S.I. 304 & A.I.S.I. 316 are standard. Other materials are available on request.

Lagging Extension: When specifying lagging extension, choose a length which will permit the use of a standard element length (See 260L and 385L lengths.)

Cap and Chain Options:
For Brass cap, add $4 to price and add suffix “CC (Brass)” to the end of the model number when ordering.
For 304 SS cap, add $7 to the price and add suffix “CC (304SS)” to the end of the model number.


Series 385W

All dimensions in inches
* NPSM internal pipe thread will accept both NPT and NPS male threads.

To Order
(Specify Model No.) Prices Shown in U.S. Dollars
Pipe Size P Model No. Bore Size (inch) Insertion Length Dimension P Stem Lgth. A* Insert Lgth. U
3/4"
Nominal (1.050" Dia.)
3/4-385W-U 2 1/2
3/4-385W
-U 2 1/2 ( )
1.050
4
2 1/2
3/4-385W-U 4 1/2
3/4-385W
-U 4 1/2 ( )
1.050
6
4 1/2
3/4-38SW-U 7 1/2
3/4-385W
-U 7 1/2 ( )
1.050
9
7 1/2
3/4-385W-U 10 1/2
3/4-385W
-U 10 1/2 ( )
1.050
12
10 1/2
3/4-385W-U 13 1/2
3/4-385W
-U 13 1/2 ( )
1.050
15
13 1/2
3/4-385W-U 16 1/2
3/4-385W
-U 16 1/2 ( )
1.050
18
16 1/2
3/4-385W-U 22 1/2
3/4-385W
-U 22 1/2 ( )
1.050
24
22 1/2
1"
Nominal (1.315" Dia.)
1-385W-U 2 1/2
1-385W
-U 2 1/2 ( )
1.315
4
2 1/2
1-385W-U 4 1/2
1-385W
-U 4 1/2 ( )
1.315
6
4 1/2
1-385W-U 7 1/2
1-385W
-U 7 1/2 ( )
1.315
9
7 1/2
1-385W-U 10 1/2
1-385W
-U 10 1/2 ( )
1.315
12
10 1/2
1-385W-U 13 1/2
1-385W
-U 13 1/2 ( )
1.315
15
13 1/2
1-385W-U 16 1/2
1-385W
-U 16 1/2 ( )
1.315
18
16 1/2
1-385W-U 22 1/2
1-385W
-U 22 1/2 ( )
1.315
24
22 1/2
( ) Material – 304 SS, Carbon Steel, etc.
*
When ordering probes with NPT fittings, specify this stem length.


To order, please specify:
1.
Complete Model Number
2. Material
3. Cap & Chain–If Desired


CONTINUED
Model # Materials & Prices
Stainless Steel
Carbon Steel
Brass
304
316
3/4-385W-U 2 1/2
$22.00
$30.00
$16.50
$16.50
3/4-385W-U 4 1/2
$26.50
$36.00
$20.00
$20.00
3/4-385W-U 7 1/2
$39.50
$53.00
$31.50
$31.50
3/4-385W-U 10 1/2
$48.00
$65.00
$41.00
$41.00
3/4-385W-U 13 1/2
$69.00
$93.00
$53.00
$53.00
3/4-385W-U 16 1/2
$82.50
$111.00
$63.50
$63.50
3/4-385W-U 22 1/2
$106.00
$143.00
$74.00
$74.00
1-385W-U 2 1/2
$29.00
$35.50
$22.00
$22.00
1-385W-U 4 1/2
$36.50
$49.00
$26.50
$26.50
1-385W-U 7 1/2
$48.00
$65.00
$34.50
$34.50
1-385W-U 10 1/2
$60.00
$80.00
$46.00
$46.00
1-385W-U 13 1/2
$83.00
$111.50
$61.00
$61.00
1-385W-U 16 1/2
$97.00
$130.50
$71.50
$71.50
1-385W-U 22 1/2
$132.50
$164.00
$83.00
$83.00

Maximum Fluid Velocity—feet per second - Introduction to Thermowells
Well Type Material Insertion Length - "U"
2 1/2 4 1/2
7 1/2
10 1/2 13 1/2 16 1/2 22 1/2
3/4" - 260W
Carbon Steel
290 (106)
123 (71.2)
44.9 (42.7)
22.8
13.8
9.3
4.9
A.I.S.I. 304/316
300 (148)
128 (99.3)
46.4
23.6
14.3
9.6
5.1
1" - 260W
Carbon Steel
290 (106)
143 (84.3)
51.6 (50.6)
26.2
15.9
10.6
5.7
A.I.S.I. 304/316
300 (148)
148 (117)
53.5
27.2
16.5
11.0
5.9
3/4" - 385W & 1" - 385W
Carbon Steel
426 (260)
192 (144)
69.5
35.4
20.5
14.3
7.7
A.I.S.I. 304/316
449 (360)
199
71.9
36.6
21.2
14.8
8.0
Where single values appear in the velocity tables, these may be considered safe for water, steam, air or gas. In the shorter insertion lengths, consideration is given to the velocity pressure effect of water flowing at higher velocities. The values in parentheses, therefore, represent safe values for water flow, while the unbracketed values may be used for steam, air, gas and similar density fluids.

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