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Test/Limited Space Thermowells for 0.260" & 0.385" Bore Dia

$145.76
Excl GST: $132.51
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SKU :

SERIES-385A-260A

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Series 385A

Application:
Armored liquid-in-glass test thermometers. #14 gage test thermocouples. Bimetal test thermometers.

Connection Size:
1/2' NPT external thread is standard.

Lagging Extension:
When extra head length is required to extend through insulation, 2 1/2' lagging extension is standard.

Materials:
Brass (ASTM B-16), Carbon Steel (C-1018), A.I.S.I. 304 & A.I.S.I. 316 Stainless Steel. Other materials available on request.

Cap and Chain: Captive plug & chain is furnished on all wells as standard.

Series 385A—General Use

All dimensions in inches

Velocity Rating – feet per second
Material Insertion Length—“U”
2 4 6 8 10 12
Brass 362
(74)		 115
(37)		 51.4
(24.7)		 28.9
(18.5)		 18.5
(14.8)		 12.8
(12.3)
Carbon
Steel		 422
(156)		 155
(78)		 69.1
(52.1)		 38.9 24.9 17.3
A.I.S.I. 304
& 316		 450
(223)		 162
(112)		 72.2 40.6 26 18.1
Monel 382
(147)		 145
(73.8)		 64.7
(49.2)		 36.4 23.3 16.1
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.

Model Number Insert. Lgth. U Stem. Lgth. A
1/2-385A-U 2*
-U 4*
-U 6*
-U 8*
-U10*
-U12* 		2
4
6
8
10
12 		3 1/4
5 1/4
7 1/4
9 1/4
11 1/4
13 1/4
* Material – 304 SS, Carbon Steel, etc.

Pressure-Temperature rating–lb per sq. inch
Material Temperature — °F
70° 200° 400° 600° 800° 1000° 1200°
Brass 2810 2530 440 – – – –
Carbon Steel 3160 3040 2900 2770 2110 920 –
A.I.S.I. 304 4120 3740 3400 3280 3180 2750 990
A.I.S.I. 316 4120 4120 3850 3760 3680 3080 1490



Series 260A

Application:
Used where short insertion length is necessary as in short legs of tees, etc. This well also fits the 2 1/2' length bimetal thermometer with 1/4' stem diameter.

Connection Size:
3/4' NPT and 1' NPT external thread.

Standard Materials:
Brass (ASTM B-16), Carbon Steel (C-1020), A.I.S.I. 304 & A.I.S.I. 316, Monel.

Series 260A

All dimensions in inches

External
Thread
P		 Model Number
3/4'NPT
1'NPT		 3/4-260A-U15/8*
1-260A-U15/8*
* Material – 304 SS, Carbon Steel, etc.