Standard Threaded Thermowell for 3/8 Inch Diameter Elements

SERIES 385L

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^¥ 395.00 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
•	3/4 Inch and 1 Inch External Diameter
View related products - Thermowells and Head & Well Assemblies

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:
3/4" NPT and 1" NPT are 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 385L—Lagging Extension Type
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
3/4" NPT	3/4-385L-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" NPT	1-385L-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

Maximum Fluid Velocity—feet per second

Well Type	Material	Insertion Length – “U”
Well Type	Material	2 1/2	4 1/2	7 1/2	10 1/2	13 1/2	16 1/2	19 1/2	22 1/2
3/4" - 385S and 3/4" - 385L	Brass	290 (145)	150 (80)	54.1 (48)	27.6	16.7	11.1	8	6
	Carbon Steel	326 (260)	192 (144)	69.5	35.4	20.5	14.3	10.3	7.7
	A.I.S.I. 304 & 316	349 (360)	199	71.9	36.6	21.2	14.8	10.7	8
	Monel	316 (320)	189 (178)	68.1	34.8	20.8	14	10	7.5

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 385S Thermowell Page for Pressure-Temperature Ratings

Order on www.omegaengineering.cn and 5% will be discounted when you checkout.

To Order (Specify Model Number)
All list prices are pre-VAT rate not including tax and shipping

Part Number	Availability	Price(RMB)	Description	Qty.

Example part numbers are shown below. For additional configurations see the Part Number Builder below this table.

3/4-385L-U21/2-BRASS	2 Weeks	¥395.00	Standard Threaded Well, External Thread - NPT 3/4", Insertion Length Dimension 2 1/2", Brass	qty.

3/4-385L-U41/2-304SS	10 Weeks	¥700.00	Standard Threaded Well, External Thread - NPT 3/4", Insertion Length Dimension 4 1/2", 304 SS	qty.

1-385L-U101/2-CS		Consult sales	Standard Threaded Well, External Thread - NPT 1", Insertion Length Dimension 10 1/2", Carbon Steel	qty.

† Price are shown in RMB.

Part Number Builder

(1)		(2)		(3)
	- - 3 3 8 8 5 5 L L - - U U		- -

Qty:

Option Descriptions

(1)

External thread - NPT

Select
3/4 for 3/4 in.
1 for 1 in.

(2)

Insertion length dimension

Select
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.

(3)

Material

Select
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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Standard Threaded Thermowell for 3/8 Inch Diameter Elements