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    Van Stone Thermowells for 0.260" & 0.385" Bore Diameters

    Van Stone Thermowells have a straight shank & are ideal for 1/4 inch ad 3/8 inch diameter elements. Click here to shop thermowells.
    $172.61
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    Van Stone Thermowells for 0.260" & 0.385" Bore Diameters
    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”
    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.