Controls and Safety Devices for Automatically Fired Boilers

AN A MERICAN NA TIONAL S T AND ARD

ASME CSD-1–2018

(Revision of ASME CSD-1–2015)

ASME CSD-1–2018

(Revision of ASME CSD-1–2015)

Controls and

Safety Devices for Automatically Fired Boilers

AN AMERICAN NATIONAL STANDARD

Date of Issuance: October 12, 2018

The next edition of this Standard is scheduled for publication in 2021.

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The American Society of Mechanical Engineers Two Park Avenue, New York, NY 10016-5990

Copyright © 2018 by

THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS

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CONTENTS

Foreword . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v

Committee Roster vi

Correspondence With the CSDAFB Committee vii

Summary of Changes ix

Nonmandatory Appendices

FOREWORD

The major perils in operating automatically fired boilers are loss of water (low water), furnace explosion, overpressure, and overtemperature. Principal causes of accidents to automatically fired boilers are lack of proper controls and safety devices, lack of adequate maintenance, improperly trained operators, failure to test controls and safety devices, and complacency on the part of the operator due to long periods of trouble-free operation. It is believed that improved instrumentation, controls and safety devices, proper operating procedures, and a clearer understanding of installation requirements by the manufacturers, installers, and operators can greatly reduce the chances of personal injury, damage to property, and loss of equipment from accidents.

It should be pointed out that any governmental jurisdiction has authority over any particular installation. Inquiries dealing with problems of a local character should be directed to the proper authorities of such jurisdictions.

Safety codes and standards are intended to enhance public health and safety. Revisions result from the committee’s consideration of factors such as technological advances, new data, and changing environmental and industry needs. Revisions do not imply that previous editions were inadequate.

The first edition of this Standard, which was approved by The American Society of Mechanical Engineers’ Committee on Controls and Safety Devices for Automatically Fired Boilers, was approved and designated as an ASME Standard by The American Society of Mechanical Engineers on April 29, 1977.

The second edition, which was approved by the American National Standards Institute (ANSI) on October 4, 1982, was issued on December 31, 1982. An addenda to the edition, CSD-1a–1984, was approved on August 17, 1984 and issued on November 15, 1984.

The third edition, which was approved by ANSI on November 17, 1988, was issued on February 15, 1989. The CSD-1a– 1989 Addenda was approved on October 3, 1989 and issued on February 15, 1990. The CSD-1b–1990 Addenda was approved on June 21, 1990 and issued on December 1, 1990.

The fourth edition, which was approved by ANSI on February 28, 1992, was issued on June 15, 1992. The CSD-1a–1993 Addenda was approved on August 18, 1993 and issued on November 30, 1993. The CSD-1b–1994 Addenda was approved on June 20, 1994 and issued on September 30, 1994.

The fifth edition, which was approved by ANSI on February 6, 1995, was issued on June 30, 1995. The CSD-1a–1996 Addenda was approved on February 5, 1996 and issued on July 31, 1996. The CSD-1b–1996 Addenda was approved on July 16, 1996 and issued on December 20, 1996.

The sixth edition, which was approved by ANSI on January 30, 1998, was issued on April 14, 1998. The CSD-1a–1999 Addenda was approved on November 2, 1999 and issued on March 10, 2000. The CSD-1b–2001 Addenda was approved on July 30, 2001 and issued on November 30, 2001.

The seventh edition, which was approved by ANSI on January 17, 2002, was issued on April 15, 2002. The eighth edition, which was approved by ANSI on August 9, 2004, was issued on April 15, 2005.

The ninth edition, which was approved by ANSI on September 13, 2006, was issued on December 29, 2006. The tenth edition, which was approved by ANSI on February 24, 2009, was issued on May 8, 2009.

The eleventh edition, which was approved by ANSI on January 13, 2012, was issued on May 10, 2012.

The twelfth edition of CSD-1, which was approved by ANSI on December 21, 2015, was issued on March 24, 2016. This thirteenth edition of CSD-1, which was approved by ANSI on August 23, 2018, was issued on October 12, 2018.

ASME CSDAFB COMMITTEE

Controls and Safety Devices for Automatically Fired Boilers

(The following is the roster of the Committee at the time of approval of this Standard.)

STANDARDS COMMITTEE OFFICERS

1. Safarz, Chair

2. Carlisle, Vice Chair

C. R. Ramcharran, Secretary

STANDARDS COMMITTEE PERSONNEL

R. D. Austin, State of Arizona, Department of Safety and Health, Boiler Safety

E. J. Belski, Onecis Insurance Co.

J. Berezowksi, Xylem, Inc.

N. D. Butt, Weil-McLain

K. Carlisle, Karl Dungs, Inc.

J. P. Chicoine, Mestek, Inc.

T. D. Curtis, Industrial Combustion

M. T. Fecke, Exponent Failure Analysis Associates

J. P. Fidgeon, Utility Plant Solutions

R. S. Glass, Raypak, Inc.

G. M. Halley, American Boiler Manufacturers Association

T. F. Hardin, UL, Inc.

T. Q. Huynh, Miura Canada Co., Ltd.

J. L. Kleiss, Lochinvar, LLC

R. Labore, Fireye, Inc.

J. R. Lamore, Honeywell Thermal Solutions

J. C. Merwin, Potter Electric Signal Co.

B. L. Mickelson, Honeywell International, Inc.

1. W. Moore, Hartford Steam Boiler

2. E. Murray, U.S. Navy

S. V. Nelson, State of Colorado

V. G. Newton, Boiler & Property Consulting, LLC

C. R. Ramcharran, The American Society of Mechanical Engineers

J. Safarz, Selas Heat Technology, Co., LLC

D. Schirmer, Boiler and Property Consulting, LLC

A. Shahabi, Riello Canada

A. D. Silver, SCC, Inc.

F. R. Switzer, Jr., S-afe, Inc.

M. Wadkinson, Fulton Thermal Corp.

J. Boyd, Alternate, Karl Dungs, Inc.

T. M. Griffin, Alternate, The Hartford Steam Boiler Insurance and Inspection

S. J. Guzinski, Alternate, Naval Facilities Engineering Service Center

B. E. Leng, Alternate, SCC, Inc.

1. Martens, Alternate, Exponent, Inc.

2. E. Nelson, Alternate, UL, LLC

J. O’Halloran, Alternate, Xylem, Inc.

J. Pettiford, Alternate, The Fulton Co.

P. H. Schuelke, Alternate, Weil-McLain

T. Shernisky, Alternate, Onecis Insurance Co.

J. C. Stoeger, Alternate, Industrial Combustion

G. A. Tompkins, Alternate

D. C. Wiggins, Alternate, Lochinvar, LLC

R. K. Black, Honorary Member, Johnston Boiler Co.

T. W. Bukowski, Honorary Member, Weber-Stephen Products Co.

1. B. West, Honorary Member, State of Iowa, Division of Labor Services

   
   

   CORRESPONDENCE WITH THE CSDAFB COMMITTEE

   
   

   General. ASME Standards are developed and maintained with the intent to represent the consensus of concerned interests. As such, users of this Standard may interact with the Committee by requesting interpretations, proposing revisions or a case, and attending Committee meetings. Correspondence should be addressed to:

   
   

   Secretary, CSDAFB Standards Committee

   The American Society of Mechanical Engineers Two Park Avenue

   New York, NY 10016-5990

   https://go.asme.org/Inquiry

   
   

   Proposing Revisions. Revisions are made periodically to the Standard to incorporate changes that appear necessary or desirable, as demonstrated by the experience gained from the application of the Standard. Approved revisions will be published periodically.

   The Committee welcomes proposals for revisions to this Standard. Such proposals should be as specific as possible, citing the paragraph number(s), the proposed wording, and a detailed description of the reasons for the proposal, including any pertinent documentation.

   
   

   Proposing a Case. Cases may be issued to provide alternative rules when justified, to permit early implementation of an approved revision when the need is urgent, or to provide rules not covered by existing provisions. Cases are effective immediately upon ASME approval and shall be posted on the ASME Committee web page.

   Requests for Cases shall provide a Statement of Need and Background Information. The request should identify the Standard and the paragraph, figure, or table number(s), and be written as a Question and Reply in the same format as existing Cases. Requests for Cases should also indicate the applicable edition(s) of the Standard to which the proposed Case applies.

   
   

   Interpretations. Upon request, the CSDAFB Standards Committee will render an interpretation of any requirement of the Standard. Interpretations can only be rendered in response to a written request sent to the Secretary of the CSDAFB Standards Committee.

   Requests for interpretation should preferably be submitted through the online Interpretation Submittal Form. The form is accessible at https://go.asme.org/InterpretationRequest. Upon submittal of the form, the Inquirer will receive an automatic e-mail confirming receipt.

   If the Inquirer is unable to use the online form, he/she may mail the request to the Secretary of the CSDAFB Standards Committee at the above address. The request for an interpretation should be clear and unambiguous. It is further rec- ommended that the Inquirer submit his/her request in the following format:

   
   

   Subject: Cite the applicable paragraph number(s) and the topic of the inquiry in one or two words. Edition: Cite the applicable edition of the Standard for which the interpretation is being requested.

   Question: Phrase the question as a request for an interpretation of a specific requirement suitable for general understanding and use, not as a request for an approval of a proprietary design or situation. Please provide a condensed and precise question, composed in such a way that a “yes” or “no” reply is acceptable.

   Proposed Reply(ies): Provide a proposed reply(ies) in the form of “Yes” or “No,” with explanation as needed. If entering replies to more than one question, please number the questions and replies.

   Background Information: Provide the Committee with any background information that will assist the Committee in understanding the inquiry. The Inquirer may also include any plans or drawings that are necessary to explain the question; however, they should not contain proprietary names or information.

   Requests that are not in the format described above may be rewritten in the appropriate format by the Committee prior to being answered, which may inadvertently change the intent of the original request.

   Moreover, ASME does not act as a consultant for specific engineering problems or for the general application or understanding of the Standard requirements. If, based on the inquiry information submitted, it is the opinion of the Committee that the Inquirer should seek assistance, the inquiry will be returned with the recommendation that such assistance be obtained.

   ASME procedures provide for reconsideration of any interpretation when or if additional information that might affect an interpretation is available. Further, persons aggrieved by an interpretation may appeal to the cognizant ASME Committee or Subcommittee. ASME does not “approve,” “certify,” “rate,” or “endorse” any item, construction, proprietary device, or activity.

   
   

   Attending Committee Meetings. The CSDAFB Standards Committee regularly holds meetings and/or telephone conferences that are open to the public. Persons wishing to attend any meeting and/or telephone conference should contact the Secretary of the CSDAFB Standards Committee.

   
   

   ASME CSD-1–2018 SUMMARY OF CHANGES

   
   

   Following approval by the ASME CSDAFB Committee and ASME, and after public review, ASME CSD-1–2018 was approved by the American National Standards Institute on August 23, 2018.

   
   

   ASME CSD-1–2018 includes the following changes identified by a margin note, (18).

   
   

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