The exact method of construction and choice of alloys is the responsibility of. Specification guideline provides information on testing and rating power plant fans and covers construction features and related accessories. Laboratory methods of testing fans for ratings name of standards organization. Ul file e479840 enervex certifies that the bef 500x shown herein is licensed to bear the amca seal. Amca 99 0401 pdf this guide, known as amca standard classifications of spark resistant construction, defines three levels for spark resistant construction. Amca standard 99040186 classification for spark resistant construction. Materials shall be corrosion resisting or material shall be.
Classifications for spark resistant construction amca standard 99 0401 86 fan applications may involve the handling of potentially explosive or flammable particles, fumes or vapors. Amca publication 801 industrial processpower generation fans. Guideline specifications for selected amcacertified products. Supersedes 99040182 adopted air movement and amca standard 21286 control association international, inc. The purpose of this document is to provide fundamental information and to guide the industry on balance. Aace international aace aace 29r03 2011 forensic schedule analysis. The standard further addresses spark resistance in terms of assembly of fan components. Referenced publications and standards the following publications can be downloaded free of charge from amca internationals website, under the resources tab or by going. Revised standard ansiamca 21099, laboratory methods of testing fans for aerodynamic performance rating, establishes uniform methods for laboratory testing of fans and other air moving devices to determine aerodynamic performance for rating or guarantee purposes in terms of airflow rate, pressure, power, air density, speed of rotation, and efficiency. Ansiamca standard 9910, standards handbook arlington heights, il, usathe air movement and control association international, inc. Ansi amca standard 99 16 serves as a collection of information that can be used in the development of other amca documents.
Spark b the fan wheel is constructed of a nonferrous material usually aluminum. Spark resistant fan construction twin city fan and blower. Adapted from amca standard 99240403, drive arrangements for. Amca standard 99040186 classification for sparkresistant construction fan applications may involve the handling of potentially explosive or flammable particles, fumes, or vapors. Amca list your products or services on engineering360. For all classes of spark resistance, bearings and electrical devices motors, sensors, etc. Refer to amca 990401 standard for further information and details. While not explicitly stated, amca 99 0401 is limited to applications for which the explosive materials are present in a sealed ducted airstream, but not present on the outside of the fan housing.
The international authority on air system components amca publication 99 standards handbook amca 99 standards handbook air movement and control association international 30 west university drive arlington heights, il 600041893 usa amca 99 standards handbook copyright 2003 by air movement and control. Fan applications may involve the handling of potentially explosive or flammable particles, fumes or vapors. The chemical composition of this grade is as under however the width of this material ranges to mm to mm. Below is a listing of amca standards incorporated by reference in the code of federal regulations. Amca engineer associate asia region application form the air movement and control association international amca is a not. Amca standard 99040186 classification for spark resistant. Symbols 99009800 basic series of preferred numbers 99010076 metric units and conversion factors 99020000 charts and tables 99040186 classification for spark resistant construction 99140166 operating limits for central station units 99240403 drive. The standard contains guidelines which are to be used by both the manufacturer and user as a means of establishing general methods of construction.
Amca uses its best efforts to produce standards for the benefit of the industry and the public in light of available. Steel inline centrifugal fans a155 bulletin hartzell air movement. Classifications of spark resistant construction, defines three levels for spark resistant construction. Precisely located, burr free static pressure holes hemispherical tip design, best for accuracy if imperfectly aligned and nearly. When ordering fans with inlet boxes this information is required.
Symbols 99009800 basic series of preferred numbers 99010076 metric units and conversion factors 99020000 charts and tables 99040186 classification for spark resistant construction 99140166 operating limits for central station units 992404. Ventilation equipment used for applications containing potentially explosive gases in the. This amca standard deals only with the fan andor damper unit installed in that system. While not explicitly stated, amca 990401 is limited to applications for which the explosive materials are present in a sealed ducted airstream, but not present on. These pages illustrate the usual fan arrangements with their proper numbers. Classifications for spark resistant construction amca standard 99040186 fan applications may involve the handling of potentially explosive or flammable particles, fumes or vapors. Cast iron, excluding nodular iron, shall not be used in the construction of the fans nor shall cast iron be used in fan motors which are components of types a and l fans. The latest computer aided design techniques were used to develop critical components. Click on view only to access a readonly copy of a referenced amca standard. Engineering cookbook a handbook for the mechanical designer third edition. Amca 99 pascal unit gas technologies free 30day trial. This document comes with our free notification service, good for the life of the document. Amca standard 99 16 was adopted by amca membership on oct.
It is recommended that the definitions in this document be used in all standards and publications. Finite element analysis fea, for instance, ensures maximum wheel strength and reliability. Ansi approves ansiamca standard 9910, standards handbook. Amca 990401 classifications for spark resistant construction inactive buy now.
Free inlet, free outlet type b free inlet, ducted outlet type c ducted inlet, free outlet type d. A collection of amca publications 801, 802, 803, and 850 bound into a single paperback book. The bdb series is available in type s, c, t, x or z. Handbook manual guide by air movement and control association. Amca standards on fan arrangements, rotation, discharge. Amca 99 standards handbook amca 99 standards handbook contents 99002101 the fan laws. By order of the executive director office of the federal register washington, d. Amca 990401 pdf this guide, known as amca standard classifications of spark resistant construction, defines three levels for spark resistant construction. It is a material standard made by japanese standards association for specification for hot worked stainless steel bars with different shapes. Ahri guideline g ip2011 1 mechanical balance of fans and blowers section 1. Fan shall be of sparkresistant construction as defined in amca 990401 type b construction. Spark a all parts in contact with the airstream are constructed of nonferrous material usually aluminum. Industrial processpower generation handbook amca 801. Amca standard classification 99 401 spark resistant construction fan applications may involve the handling of potentially explosive or flammable particles, fumes or vapors.
It is generally accepted practice that ferrous materials are those whose iron content is 5% or greater. Adapted from ansiamca standard 9910 rotation is viewed fan basics from drive side. Amca standard 99 0401 86 classification for spark resistant construction. Alex lopez dj jovan walkers hope line nakama cast gunnercast za next move podcast hs 354 video.
Amca 990401 states that the motor or any electrical devices should not be placed in the flammable airstream. Such applications require careful consideration of all system components to insure the safe handling of such gas streams. Amca 99 0401 states that the motor or any electrical devices should not be placed in the flammable airstream. Amca standard 990401 does not require that an explosion resistant motor and disconnect be used to attain spark resistant construction as long as these components are located out of the airstream. Amca standard 9916 was adopted by amca membership on oct. The exact method of construction and choice of alloys is the responsibility of the manufacturer.
Amca 99 2016 standards handbook amca 990401 1986 classifications for spark resistant construction amca 201 2002. Complete warranty conditions are available from enervex inc. With free outlet conditions the velocity pressure is higher. Propeller panel fans are best utilized near free air propeller or panel fan. Amca standard 990401 has guidelines for spark resistant construction with three levels type a. Sample equipment specifications are included which outline the. Spark resistant construction for corrosion resistant fiberglass. Why are we saying, you need amca 300 sound power level. Amca standard classification 99401 spark resistant construction fan applications may involve the handling of potentially explosive or flammable particles, fumes or vapors. Amca 990401 addresses the choice of materials only in terms of ferrous or nonferrous. Amca 990401 provides recommendations for the prevention and possible elimination of the likelihood of such discharge through the use of devices which collect static buildup and drain it to ground, rendering it harmless. When ordering fans, or when requesting data or prices, the required fan arrangement must always be indicated.
Fan applications may involve the handling of potentially explosive or flammable. Ansiamca 21099, ansiashrae 511999, british standard 1042 and technical requirements of eu directive 201165 eu rohs ii insertion length. Bdb series 3 bdb twin fan bdb series are also available in twin fan version, with two double inlet fans mounted on the same shaft. Amca typec spark proof rating corrosion resistant epoxy coated steel wheel and scroll. Air movement and control association international, inc. Amca international revises amca standard 99, standards. Amca air movement and control association international fanclass standards are established to simplify the specification of fans. Such applications require careful consideration of all system components to ensure the safe handling of such gas streams. Air movement and control association amca international inc. Amca fanclass standards are based on fan horsepower required per square foot of outlet area representing the structural requirements imposed on a fan for a given set of operating conditions. A nonferrous aluminum rub ring surrounds the fan shaft where it passes through the fan housing. The ratings shown are based on tests and procedures performed in accordance with. Air movement and control association legally binding. Amca standard 99 0401 does not require that an explosion resistant motor and disconnect be used to attain spark resistant construction as long as these components are located out of the airstream.
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