Omega Products 1-385W-U101-2-316SS User Manual
Series 385W Socket-Weld Design Thermowells for
P
P
IPE SIZE
NPSM
†
DIA.
A STEM LENGTH
± 0.002
0.385 BORE
4
1
/
1
U INSERTION LENGTH
/
4
3
1
/
2
49
/
64
pplication:
A
260W series fits standard length
1
⁄4" diameter elements.
385W series fits standard length 3⁄8" diameter elements.
Connection:
3
⁄4" or 1" nominal pipe size welding shoulder fits ASA
welding fittings, flanges, etc. Wells for larger pipe size
ittings are available upon request.
f
Materials:
Carbon Steel (C-1018); A.I.S.I. 304 & A.I.S.I. 316 are
standard. Other materials are available upon 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:
or Brass cap, add $4 to price and add suffix “-CC (Brass)”
F
to the end of the model number in your order.
For 304SS cap, add $7 to price and add suffix “-CC (304SS)”
to the end of the model number.
3
⁄8" Diameter Elements
Series 385W
Dimensions: inches
†
NPSM internal pipe thread
Me
t
r
i
c
Mo
A
v
a
i
l
a
b
S
e
e
P
a
g
B
-
3
7
a
n
d
will accept both NPT and
NPS male threads.
MOST POPULAR
MODELS HIGHLIGHTED!
To Order
Pipe
Size Stainless Steel Carbon Lgth Lgth
P Model Number 304 316 Steel Brass PA U
3
⁄4" 3/4-385W-U21/2-(*) $29.00 $39.00 $23.50 $23.50 1.050 42
Nominal 3/4-385W-U41/2-(
(1.050" Dia.) 3/4 -385W-U71/2-(
1" 1-385W-U21/2-(
Nominal 1-385W-U41/2-(
(1.315" Dia.) 1-385W-U71/2-(
* Specify material type “304SS” for 304 Stainless Steel, “316SS” for 316 Stainless Steel, “CS” for Carbon Steel
or “BRASS” for brass. PFA coating available, see page B-16.
Ordering Example: 3/4-385W-U71/2-304SS, 304 stainless steel thermowell with
0.385" internal diameter, 71⁄2" insertion length and a 9" stem length, $51.50.
(Specify Model Number)
) 34.50 47.00 28.00 28.00 1.050 641⁄2
*
) 51.50 69.00 44.50 44.50 1.050 971⁄2
3/4-385W-U101/2-(
3/4-385W-U131/2-(
3/4-385W-U161/2-(
3/4-385W-U221/2-(
1-385W-U101/2-(
1-385W-U131/2-(
1-385W-U161/2-(
1-385W-U221/2-(
*
) 62.50 84.50 57.50 57.50 1.050 12 101⁄2
*
) 90.00 121.00 74.50 74.50 1.050 15 131⁄2
*
) 107.50 144.50 89.00 89.00 1.050 18 161⁄2
*
) 138.00 186.00 104.00 104.00 1.050 24 221⁄2
*
) $38.00 $46.50 $31.00 $31.00 1.315 42
*
) 47.50 64.00 37.50 37.50 1.315 641⁄2
*
) 62.50 84.50 48.50 48.50 1.315 971⁄2
*
) 78.00 104.00 64.50 64.50 1.315 12 101⁄2
*
) 108.00 145.00 85.50 85.50 1.315 15 131⁄2
*
) 126.50 170.00 100.50 100.50 1.315 18 161⁄2
*
) 185.50 230.00 124.50 124.50 1.315 24 221⁄2
*
Materials and Prices
Stem Insert
3
⁄4" pipe outside diameter,
d
e
l
s
l
e
!
e
s
B
-
3
8
1
⁄2
1
⁄2
For Assistance in Choosing Head and Well Assemblies, See guide on page B-5. These wells are
compatible with OMEGA®NB1, NB2 (page B-8); PR-12, PR-14, and NPT-style probes (page C-95),
as well as DialTemp™ Thermometers (page E-11).
See Introduction to Thermowells,
Maximum Fluid Velocity—feet per second
1
2
⁄2 41⁄2 71⁄2 101⁄2 131⁄2 161⁄2 221⁄2
Well Type Material
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
Shown smaller
than actual size.
See Page B-28
for PressureTemperature
Ratings.
⁄4" - 385W Carbon Steel 426 (260) 192 (144) 69.5 35.4 20.5 14.3 7.7
and 1"- 385W 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.
B-27
Insertion Length – “U”
Section on Velocity, page B-3
One Omega Drive | Stamford, CT 06907 | 1-888-TC-OMEGA (1-888-826-6342) | info@omega.com
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