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Heavy Duty Threaded Thermowell for 3/8 Inch Diameter Elements

SERIES 385HL

Heavy Duty Threaded Thermowell for 3/8 Inch Diameter Elements | SERIES 385HL

45,22 3/4-385L-U21/2-BRASS

  • Available in Carbon Steel and Stainless Steel
  • Standard Insertion Lengths from 2 1/2 to 19 1/2 Inches
  • 1 Inch External Diameter
Thermowells and Head and Well Assemblies - View related products

Description

Application:
Standard length, 3/8" stem, bimetal thermometers. #14 gage thermocouple elements. Armored liquid-in-glass test thermometers. Other temperature-sensing elements having .377 in. maximum diameter.

Connection Size:
1" NPT is standard. Other thread sizes are available upon request.

Materials:
Brass (ASTM B-16), Carbon Steel (C-1018), Stainless Steel A.I.S.I. 304 & A.I.S.I. 316, Monel. Wells are also available in special materials; prices on request.


Series 385HL—Lagging Extension Type External Thread “P”– 1" NPT
All dimensions in inches.

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


External Thread
P
Model No.Lag. Ext.
T
Elem. Lgth.
A
Insert. Lgth.
U
Shank Dia.
Q
1" NPT1-385HL-U 2 1/2
        -U 4 1/2
        -U 7 1/2
        -U10 1/2
        -U13 1/2
        -U19 1/2
2
3
3
3
3
3
6
9
12
15
18
24
2 1/2
4 1/2
7 1/2
10 1/2
13 1/2
19 1/2
1 1/16
1 1/16
1 1/16
1 1/16
1 1/16
1 1/16


Maximum Fluid Velocity—feet per second
Well Type Material Insertion Length – “U”
2 1/2 4 1/2 7 1/2 10 1/2 13 1/2 16 1/2 19 1/2 22 1/2
1" - 385H
and
1" - 385HL
Brass321 (150)129 (83.5)46.823.614.59.66.95.1
Carbon Steel410 (270)249 (150)90.345.627.818.513.29.8
A.I.S.I. 304 & 316483 (350)272 (208)97.349.730.420.314.510.7
Monel396 (300)214 (167)77.539.223.81610.37.7
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.
See 385H Thermowell Page for Pressure-Temperature Ratings
Place Order(Specify Model Number)
Part Number/Desc.
Qty
Description
Example part numbers are shown below. For additional configurations see the Part Number Builder below this table.
1-385HL-U21/2-BRASS
68.10
Availability: 9 weeks
 
Heavy Duty Well, External Thread-NPT 1", Insertion Length Dimension 2 1/2", Brass
1-385HL-U41/2-304SS
118.33
Availability: 9 weeks
 
Heavy Duty Well, External Thread-NPT 1", Insertion Length Dimension 4 1/2", 304 SS
1-385HL-U71/2-CS
134.69
Availability: 9 weeks
 
Heavy Duty Well, External Thread-NPT 1", Insertion Length Dimension 7 1/2", Carbon Steel
All amounts shown in EUR

Part Number Builder

Build Your Part Number Below
Option Descriptions:


(1) Insertion length dimension select from:
21/2 for 2 1/2 in.
41/2 for 4 1/2 in.
71/2 for 7 1/2 in.
101/2 for 10 1/2 in.
131/2 for 13 1/2 in.
191/2 for 19 1/2 in.

(2) Material select from:
304SS for 304 SS
316SS for 316 SS
CS for Carbon Steel
BRASS for Brass
Note: All combinations may not be valid, check spec sheet for valid part numbers.
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