1、STANDARD FOR WATER BASED AGENT FIREEXTINGUISHERSPrepared and Published by:NATIONAL STANDARDOF CANADACAN/ULC-S554:2016Approved by:Underwriters Laboratories of Canada (ULC) was established in 1920 byletters patent issued by the Canadian Government. It maintains andoperates laboratories and certificati
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15、E DU CANADA EST DISPONIBLE EN VERSIONS FRANAISE ET ANGLAISEPrepared by:ULC StandardsCAN/ULC-S554Third EditionUnderwriters Laboratories Inc.ANSI/UL 8Seventh EditionStandard for Water Based Agent Fire ExtinguishersNovember 25, 2016This harmonized standard has been jointly revised on November 25, 2016
16、to reflect updates to thestandard. For this purpose, UL and ULC Standards have updated the Title Page and Preface datedNovember 25, 2016.ANSI/UL 8-2016Approved byCommitment for AmendmentsThis Standard is issued jointly by Underwriters Laboratories Inc. (UL) and ULC Standards.Amendments to this Stand
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18、 arethe sole property of Underwriters Laboratories Inc. The ULC Standards trade names and trademarksdepicted in this document are the sole property of ULC Standards.ISSN 0317-526X Copyright 2016 ULC StandardsAll rights reserved.No part of this publication may be reproduced in any form, in an electro
19、nic retrieval system orotherwise, whatsoever without the prior permission of the publisher.In Canada, written comments are to be sent to the ULC Standards, 400 - 171 Nepean Street, Ottawa,Ontario K2P 0B4. Proposals should be submitted on a Standards Revision Request Form availablefrom ULC Standards.
20、Copyright 2016 Underwriters Laboratories Inc.ULs Standards for Safety are copyrighted by UL. Neither a printed nor electronic copy of a Standardshould be altered in any way. All of ULs Standards and all copyrights, ownerships, and rights regardingthose Standards shall remain the sole and exclusive p
21、roperty of UL.This ANSI/UL Standard for Safety consists of the Seventh Edition.The most recent designation of ANSI/UL 8 as an American National Standard (ANSI) occurred onNovember 25, 2016. ANSI approval for a standard does not include the Cover Page, TransmittalPages, Title Page (front and back), o
22、r the Preface.Comments or proposals for revisions on any part of the Standard may be submitted to UL at any time.Proposals should be submitted via a Proposal Request in ULs On-Line Collaborative StandardsDevelopment System (CSDS) at https:/.To purchase UL Standards, visit Comm 2000 at http:/m- or ca
23、lltoll-free 1-888-853-3503.ULC PreambleInternational Classification for Standards (ICS): 13.220.10This Standard has been developed in compliance with the requirements of SCC for accreditation of aStandards Development Organization.Attention is drawn to the possibility that some of the elements of th
24、is Canadian standard may be thesubject of patents rights. ULC Standards shall not be held responsible for identifying any or all suchpatents rights.Requests for interpretation of this Standard should be sent to ULC Standards. The requests should beworded in such a manner as to permit a “yes” or “no”
25、 answer based on the literal text of the requirementconcerned.This Standard is intended to be used for conformity assessment.The Third Edition of this ULC Standard was based on, and superseded, the Second Edition.The review and action to revise or reaffirm this Standard will not exceed 5 years from
26、the date ofpublication, unless the Standard is identified as fitting within a stabilized category, whereby the review willcommence within the appropriate time frame set out by ULC Standards.TECHNICAL COMMITTEE ON PORTABLE FIRE EXTINGUISHERSName Affiliation Category RegionL. Bourgeois Tritop Inc Gene
27、ral Interest CanadaJ. Di Filippo Kidde Canada Producer CanadaG. Ferris Protection R.T Inc. Producer CanadaF. Goodnight Fire Equipment ManufacturersAssociationProducer USAN. Khan Techin (Technical InspectionNetwork)General Interest CanadaM. Kohli Mark Kohli Consulting General Interest CanadaB. Levitt
28、 Levitt-Safety Ltd. User CanadaN. Murray Consumer Association ofCanadaUser CanadaA. Rees Department of NationalDefenceUser CanadaG. Schultz City of Toronto Regulator OntarioI. Shearer Strike First Corporation Producer CanadaD. Tiller Office of the Fire Marshal Hydrostatic Pressure Test, Clause 40; V
29、ibration Test, Clause 41; Roadability andRough Usage Tests, Clause 42; Burst Strength Test Gauges and Indicators, Clause 52;Nameplate Exposure Tests, Clause 60;b) Moisture absorption; see Salt Spray Corrosion Test, Clause 46; One-Year Time LeakageTest, Clause 50, Nameplate Exposure Tests, Clause 60;
30、c) Flammability, see 6.7;d) Resistance to deterioration due to aging, see Aging Tests Polymeric Materials, Clause 44;One-Year Time Leakage Test, Clause 50; Nameplate Exposure Tests, Clause 60;e) Exposure to light and water, see 44.3 and Nameplate Exposure Tests, Clause 60; andf) Exposure to the exti
31、nguishing agent, see 44.2.6.7 With reference to flammability, polymeric materials shall be classified as type HB, V-0, V-1, V-2, 5VA,or 5VB, in accordance with the Standard for Tests for Flammability of Plastic Materials for Parts in Devicesand Appliances, UL 94. Other nonmetallic materials shall ha
32、ve equivalent characteristics.6.8 An extinguisher shall operate as intended from the minimum storage temperature to 49C (120F),inclusive. Currently recognized minimum storage temperatures are 4C (40F) or lower. See OperatingTemperature Limits Test, Clause 35.NOVEMBER 25, 2016CAN/ULC-S554 ANSI/UL 812
33、6.9 The edges and surfaces of a valve, cap, closure, hose, cylinder, handle, or mounting device shall notbe sufficiently sharp to constitute a risk of injury to persons in intended maintenance and use.6.10 Whenever reference measurements are required to determine that a part as described in 6.9 is n
34、otsufficiently sharp to constitute a risk of injury to persons, the method described in the Standard for Testfor Sharpness of Edges on Equipment, UL 1439, is to be employed.6.11 A hand portable extinguisher shall have a gross weight not exceeding 27 kg (60 lb).6.12 A pressurizing adaptor for a recha
35、rgeable stored pressure type extinguisher shall have threads orother mechanical means for securement to the valve assembly.7 Cylinders7.1 The requirements in this clause do not apply to a cylinder marked as complying with U.S. Departmentof Transportation (DOT), or Canada Transportation of Dangerous
36、Goods Regulations (TDGR), or ASMEspecifications, unless otherwise specifically indicated.7.2 An extinguisher cylinder under the jurisdiction of the DOT or TDGR shall comply with the appropriateDOT or TDGR specifications for shipping containers.7.3 An extinguisher cylinder shall be fabricated of a ma
37、terial having rigidity, durability, and resistance tocorrosion equivalent to:a) An aluminum alloy such as 6061-T6 or 6351-T6, see the Specification for Aluminum andAluminum-Alloy Sheet and Plate, ASTM B209, having a minimum thickness of 0.71 mm (0.028in);b) An aluminum alloy, such as 1100, 1170, or
38、3003 having a minimum thickness of 0.71 mm(0.028 in);c) A mild steel alloy, such as SAE 1010, having a minimum thickness of 0.71 mm (0.028 in); ord) An austenitic stainless steel alloy having a maximum of 0.03 percent carbon content and aminimum thickness of 0.63 mm (0.025 in).7.4 A cylinder assembl
39、ed complete with permanently attached fittings shall be resistant to any corrosiveinfluence of the extinguishing agent. See Agent Exposure Test, Clause 48.7.5 The material of the dome and bottom of a metal cylinder shall be of the same material as the cylinder.7.6 All joints in metal cylinders shall
40、 be threaded, brazed, or welded.Exception: Brazed joints shall not be used on stainless steel cylinders.7.7 For the purpose of these requirements, thickness measurements of the sidewall are to be measuredon uncoated metal. The thickness of the dome and of the bottom is to be measured at several poin
41、ts afterforming and before coating.NOVEMBER 25, 2016 CAN/ULC-S554 ANSI/UL 8 138 Joints8.1 The minimum width of a brazed joint on a cylinder wall shall be at least four times the thickness ofthe sidewall.9 Caps, Valves, Closures, and Pressure Relief9.1 The inside diameter of a fill opening of a recha
42、rgeable-type extinguisher shall be:a) A minimum 19 mm (3/4 in) for an extinguisher having a capacity of 19 L (5 gal) or less;Exception: For coated cylinders, a minimum 38 mm (1-1/2 in ) fill opening is required.b) A minimum 64 mm (2-1/2 in) for an extinguisher having a capacity above 19 L (5 gal).9.
43、2 A collar with external threads shall be constructed so that the cap does not contact the dome or thebottom when the gasket is removed.9.3 A threaded cap, closure, or valve shall engage the collar or the threaded opening by not less thanfour full threads with the gasket in place.9.4 A cap, plug, or
44、 other component, except a pressure gauge or indicator, shall be provided with ameans of relieving pressure when it is removed while the agent chamber is still under pressure. Thepressure shall be relieved with a minimum of two threads engaged.9.5 Closures of rechargeable extinguishers shall resist,
45、 without evidence of damage to the threads, aclosing torque of 35 Nm (25 lbf-ft).9.6 When pressure relief is required under the jurisdiction of the Department of Transportation (DOT) orCanada Transportation of Dangerous Goods Regulations (TDGR), it shall be in accordance with theCompressed Gas Assoc
46、iation pamphlet CGA S-1.1 Pressure Relief Device Standards.10 Gaskets and “O” rings10.1 A gasket or an O ring shall be retained in a recess or the equivalent, in the cap, collar, or valve.A gasket or an O ring of a rubber-like material shall be of thickness to provide a compression-type sealand shal
47、l fit snugly against the cap or head. See Elastomeric Parts Test, Clause 45.NOVEMBER 25, 2016CAN/ULC-S554 ANSI/UL 81411 Gas Cartridges, Cylinders, and Regulators11.1 A gas cartridge and a cylinder under the jurisdiction of the Department of Transportation (DOT) orCanada Transportation of Dangerous G
48、oods Regulations (TDGR) shall be constructed, tested, marked,and charged in accordance with the applicable shipping container specifications of the DOT or TDGR.11.2 A gas cylinder assembly shall be provided with a pressure-relief device as required by applicableDOT or TDGR regulations. A gas cylinde
49、r assembly not under the jurisdiction of the DOT or the TDGRshall be provided with a pressure relief appropriate for the cylinder used.11.3 Gas cartridges shall be provided with an anti-recoil cap for use in storage and transit.11.4 Gas cartridges or cylinder assemblies shall be securely attached to the extinguisher.11.5 Gas cylinders of the seated-valve type shall be provided with a pressure-relief disc held in place bya nut which vents and prevents recoil.11.6 A seated-valve type gas cylinder assembly shall be provid
