WW-H-191E
ASTM B 75 - Seamless Copper Tube.
ASTM B 111 - Copper and Copper-Alloy Seamless Condenser Tubes and Ferrule
Stock.
ASTM B 395 - U-Bend Seamless Copper and Copper Alloy Heat Exchanger and
Condenser Tubes.
(Private sector and civil agencies may purchase copies of these voluntary standards from the
American Society for Testing and Materials, 100 Barr Harbor Drive, West Conshohocken, PA
19428-2959.)
TUBULAR EXCHANGER MANUFACTURERS ASSOCIATION, INC. (TEMA)
Standards for Tubular Exchanger Manufacturers Association, Class "C" Heat Exchangers. (Private sector and civil agencies may purchase copies of these voluntary standards from the
Tubular Exchanger Manufacturers Association, Inc. 25 North Broadway, Tarrytown, NY
10591.)
(DoD activities may obtain copies of those adopted voluntary standards listed in the DoD Index of Specifications and Standards free of charge from the Defense Automated Printing Services, Attn: DoDSSP, Building 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094.)
2.3 Order of precedence. In the event of a conflict between the text of this document and the references cited herein, the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained.
3. REQUIREMENTS
3.1 Description. The heater, as referred to in this specification, is a horizontal unit, multi-pass shell and tube heat exchanger, with saturated steam flowing in the shell side and water flow in the tube side.
3.2 Codes and standards. Each heater shall conform to the applicable requirements of TEMA
standards for class C exchanger and ASME Section VIII, Division 1, standards.
3.3 First article. When specified (see 6.2), a sample heater shall be subjected to first article inspection in accordance with 4.2.1.
3.4 Materials. Materials used shall be free from defects which would adversely affect the performance or maintainability of individual components or of the overall assembly. Materials not specified herein shall be of the same quality used for the intended purpose in commercial practice. Unless otherwise specified herein, all equipment, material, and articles incorporated in the work covered by this specification are to be new and fabricated using materials produced from
recovered materials to the maximum extent possible without jeopardizing the intended use. The
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