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    UL SUBJECT 299D-2010 OUTLINE OF INVESTIGATION FOR DRY CHEMICAL FIRE EXTINGUISHERS FOR RESIDENTIAL COOKING EQUIPMENT (ISSUE NO 1)《住宅烹饪设备干化学灭火器的调查大纲》.pdf

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    UL SUBJECT 299D-2010 OUTLINE OF INVESTIGATION FOR DRY CHEMICAL FIRE EXTINGUISHERS FOR RESIDENTIAL COOKING EQUIPMENT (ISSUE NO 1)《住宅烹饪设备干化学灭火器的调查大纲》.pdf

    1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULJuly 9, 20101SUBJECT 299DOUTLINE OF INVESTIGATIONFORDRY CHEMICAL FIRE EXTINGUISHERS FOR RESIDENTIAL COOKINGEQUIPMENTISSUE NO. 1July 9, 2010Summary of TopicsThis first issue of SU 299D, the Outlin

    2、e of Investigation for Dry ChemicalExtinguishers For Residential Cooking Equipment, covers theconstruction and performance, exclusive of performance during fire tests,of portable dry chemical fire extinguishers intended for use on residentialcooking equipment. The requirements in the Standard for Dr

    3、y ChemicalExtinguishers, UL 299 apply to these extinguishers except that therequirements and tests contained herein supersede the Discharge RangeTest, Discharge Duration Test, and specific criteria relative to Marking.COPYRIGHT 2010 UNDERWRITERS LABORATORIES INC.UL COPYRIGHTED MATERIAL NOT AUTHORIZE

    4、D FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULJULY 9, 2010SUBJECT 299D2No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULCONTENTSINTRODUCTION1 Scope .42 Units of Measurement .43 Undated References 4PERFO

    5、RMANCE4 General 45 Discharge range test 56 Discharge duration test 5MARKING7 General 5JULY 9, 2010 SUBJECT 299D 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULINTRODUCTION1 Scope1.1 This Outline of Investigation covers requirements for the c

    6、onstruction and performance, exclusive ofperformance during fire tests, of portable dry chemical fire extinguishers intended for use on residentialcooking equipment. The requirements in the Standard for Dry Chemical Fire Extinguishers, UL 299 applyto these extinguishers except that the requirements

    7、and tests contained herein supersede the DischargeRange Test, Discharge Duration Test, and specific criteria relative to Marking.1.2 The requirements for performance during fire testing of these dry chemical fire extinguishers arespecified in the Outline of Investigation for The Fire Test Method For

    8、 Portable Hand-Held ExtinguishersIntended For Use On Residential Cooking Equipment, 711A.1.3 As used in these requirements, the term “extinguisher” refers to all extinguishers or any part thereofcovered by these requirements, unless specifically noted otherwise.1.4 These dry chemical fire extinguish

    9、ers are intended to be utilized in accordance with the SpecialPurpose Residential Fire Extinguisher guidance provided in the Standard for Portable Fire Extinguishers,ANSI/NFPA 10.2 Units of Measurement2.1 The metric unit shall be designated as the official unit for purposes of this outline. Where va

    10、lues ofmeasurement are specified in both SI and English units, either unit is used. In cases of dispute, the metricunit shall be used.3 Undated References3.1 Any undated reference to a code or standard appearing in the requirements of this standard shall beinterpreted as referring to the latest edit

    11、ion of that code or standard. Any undated reference to a code orstandard appearing in the requirements of this outline shall be interpreted as referring to the latest editionof that code or standard.PERFORMANCE4 General4.1 Representative samples of residential kitchen fire extinguishers are to be su

    12、bjected to the testsdescribed in these requirements.JULY 9, 2010SUBJECT 299D4UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL5 Discharge range test5.1 An extinguisher shall discharge initially to a distance of a minimum 1.5 m (5 ft) from the n

    13、ozzle anda minimum of 90 percent (by mass) of the rated capacity of dry chemical shall discharge at a minimumdistance of 0.75 m (2.5 ft) from the nozzle.5.2 An extinguisher charged with its rated capacity conditioned at 21 +/- 3C (70 +/- 5F) shall bepositioned in the vertical position with the disch

    14、arge nozzle held in a horizontal position at a height of 1m (3 ft) from the floor or ground. The extinguisher is to be completely discharged and the dischargedistance at initial discharge and the mass of dry chemical discharged at a distance of 0.75 m (2.5 ft) andgreater shall be determined.6 Discha

    15、rge duration test6.1 An extinguisher at 21 +/- 3C (70 +/- 5F) shall have a duration of discharge not less than 8 seconds,6.2 The test method shall be conducted as specified in UL 299.MARKING7 General7.1 An extinguisher complying with the requirements in this Outline shall be marked Residential Kitch

    16、enFire Extinguisher in addition to the other markings required by UL 299.7.2 Residential Kitchen Fire Extinguishers shall not contain the following marking:1) Any extinguisher Class; or2) Use Code symbols.JULY 9, 2010 SUBJECT 299D 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULJULY 9, 2010SUBJECT 299D6No Text on This Page


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