1、STANDARD FOR HALOCARBON CLEAN AGENT FIREEXTINGUISHERSPrepared and Published by:NATIONAL STANDARDOF CANADACAN/ULC-S566:2017Approved by:Underwriters Laboratories of Canada (ULC) was established in 1920 byletters patent issued by the Canadian Government. It maintains andoperates laboratories and certif
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15、IONALE DU CANADA EST DISPONIBLE EN VERSIONS FRANAISE ET ANGLAISEPrepared by:ULC StandardsCAN/ULC-S566Second EditionUnderwriters Laboratories Inc.ANSI/UL 2129Third EditionHalocarbon Clean Agent Fire ExtinguishersJanuary 5, 2017Approved by:ANSI/UL 2129-2017Commitment for AmendmentsThis Standard is iss
16、ued jointly by Underwriters Laboratories Inc. (UL) and ULC Standards.Amendments to this Standard will be made only after processing according to the Standards writingprocedures by UL and ULC Standards.UL and ULC Standards are separate and independent entities and each is solely responsible for itsop
17、erations and business activities. The UL trade names and trademarks depicted in this document 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 2017 ULC Standard
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19、oposals should be submitted on a Standards Revision Request Form availablefrom ULC Standards.Copyright 2017 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 copy
20、rights, ownerships, and rights regardingthose Standards shall remain the sole and exclusive property of UL.This ANSI/UL Standard for Safety consists of the Third Edition.The most recent designation of ANSI/UL 2129 as an American National Standard (ANSI) occurred onJanuary 5, 2017. ANSI approval for
21、a standard does not include the Cover Page, Transmittal Pages,Title Page (front and back), or 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 StandardsDeve
22、lopment System (CSDS) at https:/.To purchase UL Standards, visit Comm 2000 at http:/m- or calltoll-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 De
23、velopment Organization.Attention is drawn to the possibility that some of the elements of this 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
24、to ULC Standards. The requests should beworded in such a manner as to permit a “yes” or “no” answer based on the literal text of the requirementconcerned.This Standard is intended to be used for conformity assessment.The Second Edition of this ULC Standard was based on, and superseded, the First Edi
25、tion.The review and action to revise or reaffirm this Standard will not exceed 5 years from 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 COMMITTE
26、E ON PORTABLE FIRE EXTINGUISHERSName Affiliation Category RegionL. Bourgeois Tritop Inc General Interest CanadaJ. Di Filippo Kidde Canada Producer CanadaG. Faber SCM Risk Management General Interest CanadaG. Ferris Protection R.T Inc. Producer CanadaF. Goodnight Fire Equipment ManufacturersAssociati
27、onProducer USAN. Khan Techin (Technical InspectionNetwork)General Interest CanadaB. Levitt 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 P
28、roducer CanadaD. Tiller Office of the Fire Marshal Hydrostatic Pressure Test, Clause 39; Vibration Test, Clause 40; Roadability andRough Usage Tests, Clause 41; Burst Strength Test Gauges and Indicators, Clause 50;Nameplate Exposure Tests, Clause 58;b) Moisture absorption, see Salt Spray Corrosion T
29、est, Clause 45; One-Year Time LeakageTest, Clause 48; Nameplate Exposure Tests, Clause 58;c) Flammability, see 6.7;d) Resistance to deterioration due to aging, see Aging Tests Polymeric Materials, Clause 43;One-Year Time Leakage Test, Clause 48; Nameplate Exposure Tests, Clause 58;e) Exposure to lig
30、ht and water, see 43.3; Nameplate Exposure Tests, Clause 58; andf) Exposure to the extinguishing agent, see 43.2.6.7 With reference to flammability, polymeric materials shall be classified as HB, V-0, V-1, V-2, 5VA, or5VB, when tested in accordance with the Standard for Tests for Flammability of Pla
31、stic Materials for Partsin Devices and Appliances, UL 94. Other nonmetallic materials shall have 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 minus 40C (min
32、us 40F) and minus54C ( minus 65F). See Operating Temperature Limits Test, Clause 33.JANUARY 5, 2017CAN/ULC-S566 ANSI/UL 2129126.9 The edges and surfaces of a valve, cap, closure, hose, cylinder, handle, mounting device, and similaritems, shall not be sufficiently sharp to constitute a risk of injury
33、 to persons in maintenance and use.6.10 Whenever reference measurements are required to determine that a part as described in 6.9 is notsufficiently sharp to constitute a risk of injury to persons, the method described in the requirements for thetest for sharpness of edges on equipment, the Standard
34、 for Test for 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 rechargeable stored pressure type extinguisher shall have threads orother mechanical means for securement
35、 to the valve assembly.7 Cylinders7.1 The requirements in this clause do not apply to a rechargeable cylinder marked as complying withU.S. Department of Transportation (DOT), or Canada Transportation of Dangerous Goods Regulations(TDGR), or ASME specifications, unless otherwise specifically indicate
36、d.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 material having rigidity, durability, and resistance tocorrosion at least equivalent to:a
37、) An aluminum alloy such as 6061-T6 or 6351-T6, see the Standard Specification forAluminum and Aluminum-Alloy Sheet and Plate, ASTM B209, having a minimum thickness of0.71 mm (0.028 in);b) An aluminum alloy, such as 1100, 1170, or 3003 having a minimum thickness of 0.71 mm(0.028 in);c) A mild steel
38、alloy, such as SAE 1010, having a minimum thickness of 0.71 mm (0.028 in); ord) An austenitic stainless steel having a maximum of 0.03 percent carbon content and having awall thickness of at least 0.63 mm (0.025 in).7.4 A cylinder assembled complete with permanently attached fittings shall be resist
39、ant to any corrosiveinfluence of the extinguishing agent.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 be threaded, brazed, or welded.Exception: Brazed joints shall not be used on stainless steel cyli
40、nders.JANUARY 5, 2017 CAN/ULC-S566 ANSI/UL 2129 137.7 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 points afterforming and before coating.8 Joints8.1 The min
41、imum width of a brazed joint on the cylinder wall shall not be less than four times the designthickness of the sidewall.9 Caps, Valves, Closures, and Pressure Relief9.1 The inside diameter of a fill opening of a rechargeable-type extinguisher shall be:a) A minimum 19 mm (3/4 in) for an extinguisher
42、having a capacity of 13.6 kg (30 lb) 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 13.6 kg (30 lb).9.2 A collar with external threads shall be constructed so that the cap does no
43、t 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 a minimum fourfull threads with the gasket in place.9.4 A cap, plug, or other component, except a pressure gauge or indicator, shall be provided with am
44、eans of relieving pressure when it is removed while the agent chamber is still under pressure. Thepressure shall be relieved with a minimum two threads engaged.9.5 Closures of rechargeable extinguishers shall resist, without evidence of damage to the threads, aclosing torque of 35 Nm (25 lbf-ft).9.6
45、 When pressure relief is required under the jurisdiction of the U.S. Department of Transportation (DOT)or Canada Transportation of Dangerous Goods Regulations (TDGR), it shall be in accordance with theCompressed Gas Association pamphlet CGA S-1.1 Pressure Relief Device Standards.JANUARY 5, 2017CAN/U
46、LC-S566 ANSI/UL 21291410 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 shall fit snugly against the cap or head. S
47、ee Elastomeric Parts Test, Clause 44.11 Filling Density11.1 The maximum ratio of extinguisher agent mass to cylinder volume (filling density) shall be specifiedby the manufacturer.12 Pressure Gauges and Indicators12.1 A rechargeable extinguisher, including a wheeled extinguisher, of the stored press
48、ure typeemploying a single chamber for both the agent and the expellant gas shall be equipped with a pressuregauge to show the amount of pressure in the chamber whether the valve is open or closed, except asprovided in 12.2. The operating range of the gauge shall reflect the operating temperature-pr
49、essurerelationship of the extinguisher, except that the minimum operating pressure line is able to be higher thanthe pressure that corresponds to the minimum operating temperature. A bourdon tube type pressuregauge shall have a pressure relief that vents in the event of a bourdon tube leak.12.2 An extinguisher having a disposable, nonrefillable, sealed chamber is not required to be equippedwith a pressure gauge when a pressure indicator is used to verify that the extinguisher is charged with thecorrect expellant ga
