Van Stone Thermowells for 1/4 and 3/8 Inch Diameter Elements

SERIES 260V and 385V

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Available in Carbon Steel and Stainless Steel
Standard Insertion Lengths from 2 to 22 Inches

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Descrição

Application:
260V series fits standard length 1/4" diameter elements. 385V series fits standard length 3/8" diameter elements.

Connection Size:
Standard wells fit 1" lap joint flanges. Other sizes also available. Prices below are for 1" Van Stone Wells. Consult factory for prices on other sizes.

Materials:
Carbon Steel (C-1018), A.I.S.I. 304, A.I.S.I. 316 and Monel are standard. Other materials are available.

Backing Flange:
When desired, a carbon steel lap joint flange can be supplied with these wells. When ordering, specify flange pressure.

Series 260V and 385V
All dimensions in inches.

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

Model No.	Element Length A	Insertion Length U	Shank Diameter Q	Bore Diameter Q
1-260V-U 2 -U 4 -U 7 -U10 -U13 -U16 -U22	4 6 9 12 15 18 24	2 4 7 10 13 16 22	3/4 3/4 3/4 3/4 3/4 3/4 3/4	.260 .260 .260 .260 .260 .260 .260
1-385V-U 2 -U 4 -U 7 -U10 -U13 -U16 -U22	4 6 9 12 15 18 24	2 4 7 10 13 16 22	7/8 7/8 7/8 7/8 7/8 7/8 7/8	.385 .385 .385 .385 .385 .385 .385

Maximum Fluid Velocity—feet per second

Well Type	Material	Insertion Length – “U”
Well Type	Material	2	4	7	10	13	16	22
260V and 260F	Carbon Steel	404 (129)	184 (71.2)	67.0 (42.7)	34	20.6	13.7	7.4
	A.I.S.I. 304 & 316	430 (179)	192 (99.3)	69.7 (59.6)	35.4	21.5	14.3	7.7
	Monel	350 (143)	168 (79.8)	61 (47.7)	31	18.8	12.5	6.7
385V and 385F	Carbon Steel	410 (152)	248 (84.3)	91.3 (50.6)	45.7	27.6	18.5	10
	A.I.S.I. 304 & 316	444 (211)	258 (117)	95.2 (70.3)	47.6	28.8	19.3	10.4
	Monel	338 (168)	226 (93.3)	83.3 (56.0)	41.6	25.2	16.9	9.1

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.