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Download Acrobat (PDF) Specification Sheet CMS_U_Tube.pdf (73Kb)

Standardized U-Tube Exchangers


Two Pass U-Tube Exchanger or
Two Pass Tube Side, 3/4" O.D. tubes 15/16" change in Pitch

Two Pass

CMS Two Pass Standardized U-Tube Exchangers have been manufactured to the specifications displayed. Units can be provided in accordance with ASME Sect. VIII, Sect. V, Sect. IX of the Boiler and Pressure Vessel Code, TEMA, API, HEI, and 3 A standards. In addition, our designs can incorporate all your specifications to insure compliance with your plant standards.



Enlarge Drawing

Shell O.D.

Dimensions (inches)

Nozzles & Fittings (inches)

G** H K L* M N A B C D E
6 5/8 2 11 7/8 10 3/8 4 1/4 5 8 5/16 2 2 2 2 3/4
8 5/8 2 12 7/8 11 1/2 4 3/4 5 9 5/8 3 3 3 3 3/4
10 3/4 3 12 7/8 12 1/2 5 3/4 5 10 3/8 3 3 3 3 3/4
12 3/4 4 15 14 1/2 6 3/8 6 11 3/8 4 4 4 4 3/4
14 5 18 18 5/8 6 3/4 8 12 6 6 6 6 3/4
16 5 18 1/8 19 1/4 7 3/8 8 13 6 6 6 6 3/4
18 5 19 1/4 21 5/8 9 9 14 6 6 6 6 3/4
20 5.5 21 3/8 22 1/8 9 5/8 9 15 6 6 8 8 3/4
22 5.5 23 1/2 26 5/8 10 1/4 11 16 8 8 8 8 3/4
24 5.5 23 1/2 27 1/8 10 3/4 11 17 8 8 8 8 3/4
26 5.5 24 1/2 27 5/8 11 1/4 11 18 8 8 8 8 1
28 5.5 24 5/8 28 1/8 11 7/8 11 19 8 8 8 8 1
30 7 28 3/4 32 3/4 12 1/2 13 20 10 10 10 10 1
32 7 29 7/8 34 1/4 13 1/8 14 21 10 10 10 10 1
34 9 32 34 3/4 13 3/4 14 22 10 10 12 12 1
36 9 34 1/8 39 3/8 14 3/8 16 23 12 12 12 12 1
38 10 35 1/8 39 7/8 14 7/8 16 24 12 12 14 14 1
40 10 36 1/8 42 3/8 15 1/2 17 25 14 14 14 14 1
42 10 36 3/8 43 16 1/8 17 26 14 14 14 14 1
*L = Tube length + L (from table above)
**G = Tube length + G (from table above)

CMS Heat Transfer Division, Inc.

273 Knickerbocker Avenue Bohemia, NY 11716 USA

Tel: 631-968-0084 Fax: 631-968-0184 Email: info@cmsheattransfer.com



CMS Heat Transfer products include shell and tube heat exchangers, fixed tubesheet and u-tube exchangers, oil coolers, pre-heaters, condensers, after-coolers, steam converters, kettles, reboilers and evaporators. CMS engineering include custom heat exchanger, process and mechanical design services to all TEMA and ASME conformance requirements.

IMPORTANT DISCLAIMER: All information provided on this site is for reference. While we make effort to provide accurate information, CMS cannot be held responsible for errors either of omission or typographical.



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