Heavy Duty Threaded Thermowell for 3/8 Inch Diameter Elements

SERIES 385H

Available in Carbon Steel and Stainless Steel
Standard Insertion Lengths from 2 1/2 to 22 1/2 Inches
1 Inch external thread - NPT

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.

Protective Coatings for Thermowells:
• Resist Corrosion
• For Chemical Baths
• Color-Coded Sensors for Process Control
•Available in PFA, Epoxy and other materials. Consult Sales Department for complete information

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 385H—General Use 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.	Elem. Lgth. A	Insert. Lgth. U	Shank Dia. Q
1" NPT	1-385H-U 2 1/2 -U 4 1/2 -U 7 1/2 -U10 1/2 -U13 1/2 -U16 1/2 -U22 1/2	4 6 9 12 15 18 24	2 1/2 4 1/2 7 1/2 10 1/2 13 1/2 16 1/2 22 1/2	1 1/16 1 1/16 1 1/16 1 1/16 1 1/16 1 1/16 1 1/16

Pressure-Temperature rating–lb per sq. inch

Material	Temperature — °F
Material	70°	200°	400°	600°	800°	1000°	1200°
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 385HL Thermowell Page For Maximum Fluid Velocity

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.

1-385H-U21/2-304SS

AUD124.00

Availability: 1 week

Heavy Duty Threaded Well, Insertion Length Dimension 2 1/2", 304 SS

1-385H-U41/2-BRASS

Consult Sales

Availability:

Heavy Duty Threaded Well, Insertion Length Dimension 4 1/2", Brass

1-385H-U71/2-CS

AUD182.00

Availability: 9 weeks

Heavy Duty Threaded Well, Insertion Length Dimension 7 1/2", Carbon Steel

† All amounts shown in AUD

Part Number Builder

Build Your Part Number Below

	(1)		(2)
1-385H-U		-

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.
161/2 for 16 1/2 in.
221/2 for 22 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.