Omega Products 1-385H-U101-2-304SS User Manual
Series 385H Heavy-Duty Threaded Well for
T
HREAD
ALLOWANCE
U
INSERTION LENGTH
1
/
4
64
/
49
D
IA.
± 0.002
0.385 BORE
A STEM LENGTH
P NPT
NPSM
†
1
1
BRASS PLUG & CHAIN (OPTIONAL)
Q DIA.
/
4
3
1
/
2
Application:
Standard length, 3⁄8" stem, bimetal thermometers.
14-gage thermocouple elements. Armored
#
liquid-in-glass test thermometers. Other temperaturesensing elements having 0.377" maximum diameter.
Connection Size:
1 NPT is standard. Other thread sizes are available
upon request.
Protective Coatings for Thermowells:
• Resist Corrosion • For Chemical Baths
• Color-Coded Sensors for Process Control
Series 385H—General Use External Thread “P”– 1 NPT
Dimensions: inches
•Available in PFA, Epoxy and other materials.
Consult Sales Department for complete information
Materials:
Brass (ASTM B-16), Carbon Steel (C-1018), Stainless
teel A.I.S.I. 304 & A.I.S.I. 316, Monel. Wells are also
S
available in special materials; prices on request.
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.
†
NPSM internal pipe
thread will accept both
NPT and NPS male
threads.
3
⁄8" Diameter Elements
Me
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i
c
Mo
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l
A
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B
-
3
7
a
s
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l
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b
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e
!
P
a
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B
-
3
8
B
MOST POPULAR MODEL HIGHLIGHTED!
To Order
External
Thread Stainless Steel Carbon Lgth Lgth Dia.
P Model Number 304 316 Steel Brass AUQ
1 NPT 1-385H-U21/2
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: 1-385H-U71/2-304SS, 304 stainless steel thermowell with 1" NPT external thread,
0.385" internal diameter, 7
For Assistance in Choosing Head and Well Assemblies, See guide on page B-5. These wells are
compatible with OMEGA
as well as DialTemp™ Thermometers (page E-11).
Pressure-Temperature rating– lb per square inch
Material
Brass 5000 4200 1000 ––––
Carbon Steel 5200 5000 4800 4600 3500 1500 –
A.I.S.I. 304 7000 6200 5600 5400 5200 4500 1650
A.I.S.I. 316 7000 7000 6400 6200 6100 5100 2500
Monel 6500 6000 5400 5300 5200 1500 –
See Page B-25 For Maximum Fluid Velocity.
(Specify Model Number)
Materials and Prices
1-385H-U41/2-(
1-385H-U71/2-(
1-385H-U101/2-(
1-385H-U131/2-(
1-385H-U161/2-(
1-385H-U221/2-(
-(*)$43.00 $58.00 $35.00 $35.00 421⁄2 11⁄1
) 55.00 73.50 41.50 41.50 641⁄2 11⁄16
*
) 72.50 97.00 64.00 64.00 971⁄2 11⁄16
*
) 89.00 120.00 82.00 82.00 12 101⁄2 11⁄16
*
) 124.50 167.00 102.50 102.50 15 131⁄2 11⁄16
*
) 146.00 196.00 122.00 122.00 18 161⁄2 11⁄16
*
) 194.00 261.00 168.00 168.00 24 221⁄2 11⁄16
*
1
⁄2" insertion length and a 9" stem length, $72.50.
®
NB1, NB2 (page B-8); PR-12, PR-14, and NPT-style probes (page C-95),
Temperature — °F
70° 200° 400° 600° 800° 1000° 1200°
Stem Insert Shank
6
Shown
smaller
than
actual
size.
Increase Response Rate!
Use OT-201 Conductive Silicon
Paste; see page B-40.
Discount Schedule
1–10.................Net 25–100.......................20%
11–24..............10% 101 and up....Consult Sales
B-26
One Omega Drive | Stamford, CT 06907 | 1-888-TC-OMEGA (1-888-826-6342) | info@omega.com
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