1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULUL 1091Butterfly Valves for Fire-Protection ServiceUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULUL COPYRIGHTED MATERIAL NOT AUTHORIZED
2、FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULUL Standard for Safety for Butterfly Valves for Fire-Protection Service, UL 1091Sixth Edition, Dated June 3, 2004Summary of TopicsThe revisions to UL 1091 are being issued to:Add Glossary, New Section 4A and Revise 5.1, 5.2, 6.1, 20.3
3、, 21.2, 26.1, and Table 18.1 toReference NPS or Nominal Pipe Size;Add Guidelines for Conducting Operating Torque Value Calculations for Butterfly Valvesto 20.6, and New Appendix A; andMake Editorial Changes to Outside Standard References.Text that has been changed in any manner or impacted by ULs el
4、ectronic publishing system is markedwith a vertical line in the margin. Changes in requirements are marked with a vertical line in the marginand are followed by an effective date note indicating the date of publication or the date on which thechanged requirement becomes effective.The revised require
5、ments are substantially in accordance with Proposal(s) on this subject dated February19, 2010.All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, ortransmitted in any form by any means, electronic, mechanical photocopying, recording, or otherwisewithout
6、prior permission of UL.UL provides this Standard as is without warranty of any kind, either expressed or implied, including butnot limited to, the implied warranties of merchantability or fitness for any purpose.In no event will UL be liable for any special, incidental, consequential, indirect or si
7、milar damages,including loss of profits, lost savings, loss of data, or any other damages arising out of the use of or theinability to use this Standard, even if UL or an authorized UL representative has been advised of thepossibility of such damage. In no event shall ULs liability for any damage ev
8、er exceed the price paid forthis Standard, regardless of the form of the claim.Users of the electronic versions of ULs Standards for Safety agree to defend, indemnify, and hold ULharmless from and against any loss, expense, liability, damage, claim, or judgment (including reasonableattorneys fees) r
9、esulting from any error or deviation introduced while purchaser is storing an electronicStandard on the purchasers computer system.The requirements in this Standard are now in effect, except for those paragraphs, sections, tables, figures,and/or other elements of the Standard having future effective
10、 dates as indicated in the note following theaffected item. The prior text for requirements that have been revised and that have a future effective dateare located after the Standard, and are preceded by a SUPERSEDED REQUIREMENTS notice.MAY 12, 2010 UL 1091 tr1UL COPYRIGHTED MATERIAL NOT AUTHORIZED
11、FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULMAY 12, 2010 UL 1091tr2No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULJUNE 3, 2004(Title Page Reprinted: May 12, 2010)1UL 1091Standard for Butterfly Valves
12、for Fire-Protection ServiceFirst Edition January, 1974Second Edition December, 1976Third Edition September, 1983Fourth Edition September, 1986Fifth Edition June, 1994Sixth EditionJune 3, 2004Comments or proposals for revisions on any part of the Standard may besubmitted to UL at any time. Proposals
13、should be submitted via a ProposalRequest in ULs On-Line Collaborative Standards Development System (CSDS)at http:/.ULs Standards for Safety are copyrighted by UL. Neither a printed nor electroniccopy of a Standard should be altered in any way. All of ULs Standards and allcopyrights, ownerships, and
14、 rights regarding those Standards shall remain thesole and exclusive property of UL.COPYRIGHT 2010 UNDERWRITERS LABORATORIES INC.UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULMAY 12, 2010BUTTERFLY VALVES FOR FIRE-PROTECTION SERVICE - UL 1091
15、2No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULCONTENTSINTRODUCTION1 Scope .52 Components 53 Units of Measurement .64 Undated References 64A Glossary 6CONSTRUCTION5 Sizes 66 Working Pressures 67 Discs 78 Seats 79 Bodies .
16、710 Shafts 811 Brass Materials 912 Actuator Assemblies .913 Electrically Operated Valve Monitor Switches 10PERFORMANCE14 General 1215 Tests on Organic Coating Materials for Seating Surfaces 1215.1 General .1215.2 Air oven exposure 1215.3 Water immersion .1415.4 Sodium chloride immersion 1415.5 Potas
17、sium biphthalate immersion .1415.6 Sodium carbonate immersion 1615.7 Impact test 1616 Nonmetallic Materials Test .1616.1 Plastic or other nonmetallic parts (excluding rubber, synthetic elastomers andcoatings) 1616.2 Elastomeric parts (except gaskets) 18B17 Leakage Test .18B18 Hydrostatic Test .18B19
18、 Torque Tests .1919.1 All valves 1919.2 Valves with integral indicating and operating arrangements 1919.3 Valve with wrench nut actuator .2020 Operation Tests 2021 Hydraulic Friction Loss Test 2122 10-Day Moist Ammonia Air Stress Cracking Test .2123 Cycling Test 2224 Dezincification Test of Brass Pa
19、rts 2324.1 General .2324.2 Reagent .2324.3 Samples 2324.4 Method .23MAY 12, 2010 BUTTERFLY VALVES FOR FIRE-PROTECTION SERVICE - UL 1091 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULMANUFACTURING AND PRODUCTION TESTS25 General 24MARKING26 G
20、eneral 24INSTRUCTIONS27 Installation Instructions 25Appendix AGuidelines For Conducting Operating Torque Value Calculations For Butterfly ValvesMAY 12, 2010BUTTERFLY VALVES FOR FIRE-PROTECTION SERVICE - UL 10914UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PE
21、RMISSION FROM ULINTRODUCTION1 Scope1.1 These requirements cover butterfly valves intended for use in piping systems supplying water forfire-protection service.1.2 The valves covered by these requirements are intended for installation and use in accordance withthe Standards for:a) Low, Medium and Hig
22、h Expansion Foam, NFPA 11;b) Installation of Sprinkler Systems, NFPA 13;c) Installation of Standpipe and Hose Systems, NFPA 14;d) Water Spray Fixed Systems for Fire Protection, NFPA 15;e) Foam-Water Sprinkler and Foam-Water Spray Systems, NFPA 16;f) Installation of Stationary Pumps for Fire Protecti
23、on, NFPA 20;g) Water Tanks for Private Fire Protection, NFPA 22; andh) Installation of Private Fire Service Mains and Their Appurtenances, NFPA 24.2 Components2.1 Except as indicated in 2.2, a component of a product covered by this standard shall comply with therequirements for that component.2.2 A
24、component is not required to comply with a specific requirement that:a) Involves a feature or characteristic not required in the application of the component in theproduct covered by this standard, orb) Is superseded by a requirement in this standard.2.3 A component shall be used in accordance with
25、its rating established for the intended conditions ofuse.2.4 Specific components are incomplete in construction features or restricted in performance capabilities.Such components are intended for use only under limited conditions, such as certain temperatures notexceeding specified limits, and shall
26、 be used only under those specific conditions.MAY 12, 2010 BUTTERFLY VALVES FOR FIRE-PROTECTION SERVICE - UL 1091 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL3 Units of Measurement3.1 Values stated without parentheses are the requirement.
27、 Values in parentheses are explanatory orapproximate information.4 Undated References4.1 Any undated reference to a code or standard appearing in the requirements of this standard shall beinterpreted as referring to the latest edition of that code or standard.4A GlossarySection 4A added May 12, 2010
28、4.A1 For the purpose of this Standard, the following definitions apply.4A.2 NPS (NOMINAL PIPE SIZE) A dimensionless designator for pipe sizes defined in standardsincluding ASTM A 53/A 53M, Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless; ASTM A 135/A 13
29、5M, Standard Specification for Electric-Resistance-Welded Steel Pipe and ASTM A 795/A 795M, Standard Specification for Black and Hot-Dipped Zinc-Coated (Galvanized) Welded and Seamless Steel Pipe for Fire Protection Use. Used to replace termssuch as Nominal Diameter and Nominal Size.CONSTRUCTION5 Si
30、zes5.1 A valve shall be constructed for use with standard pipe of 1 NPS or larger.5.1 revised May 12, 20105.2 Valve sizes refer to the nominal pipe size, NPS, of the waterway through the inlet and outletconnections and to the nominal pipe size for which the connections are intended.5.2 revised May 1
31、2, 20106 Working Pressures6.1 A valve shall be constructed for a minimum rated working pressure of:a) 175 psi (1206 kPa) for 12 NPS or smaller; andb) 150 psig (1034 kPa) for 14 NPS or larger.6.1 revised May 12, 2010MAY 12, 2010BUTTERFLY VALVES FOR FIRE-PROTECTION SERVICE - UL 10916UL COPYRIGHTED MAT
32、ERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL7 Discs7.1 A valve disc shall be either metallic or resilient covered and comply with the following:a) A metallic disc shall be cast or fabricated from materials having corrosion resistance at leastequivalent to c
33、ast iron; andb) A disc shall be constructed to resist leakage and rupture. See Leakage Test, Section 17,and Hydrostatic Test, Section 18.7.2 A resilient covered disc shall have the resilient material mechanically secured, bonded, or vulcanizedto a metallic disc, and the material shall comply with th
34、e Nonmetallic Materials Test, Section 16.8 Seats8.1 The seating surfaces of a valve shall be constructed to resist leakage. See Leakage Test, Section 17.8.2 A seating surface that is contacted by a resilient material shall:a) Be made of bronze, brass, ni-resist, or ductile iron having a nickel coati
35、ng in accordancewith Electroplated Engineering Nickel Coatings, ASTM B689 with at least 0.003 inch (0.08 mm)thickness, or other metal or coating (including other nickel coating processes with lessthickness) that has at least equivalent corrosion resistance;b) Have a protective organic coating comply
36、ing with Tests on Organic Coating Materials forSeating Surfaces, Section 15; orc) Be a nonmetallic part complying with the requirements specified in Nonmetallic MaterialsTest, Section 16.8.3 A rubber seat shall be clamped, mechanically secured, bonded, or vulcanized to the valve body ordisc.9 Bodies
37、9.1 The body of a valve shall be made of a material having corrosion resistance at least equivalent to castiron.9.2 A casting shall be smooth and free from scale, lumps, cracks, blisters, sand holes, and defects of anynature that could make it unfit for use. A casting shall not be plugged or filled,
38、 but may be impregnatedto remove porosity.9.3 The dimensions of all flanges, flange pipe joints, and threaded body openings shall conform to thefollowing standards, as applicable or to other national standards that apply where the valve is intended tobe installed. The flange class shall be at least
39、equal to the rated pressure of the valve.a) Pipe Threads, General Purpose (Inch), ANSI/ASME B1.20.1.b) Dryseal Pipe Threads (Inch), ANSI/ASME B1.20.3.c) Gray Iron Pipe Flanges and Flanged Fittings, (Classes 25, 125, and 250), ANSI/ASME B16.1(Class 125 or higher).MAY 12, 2010 BUTTERFLY VALVES FOR FIR
40、E-PROTECTION SERVICE - UL 1091 7UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM ULd) Ductile Iron Pipe Flanges and Flanged Fittings, Class 150 and 300, ANSI/ASME B 16.42.e) Steel Pipe Flanges for Waterworks Service, 4 144 inches, ANSI/AWWA C207,
41、 for valveshaving a maximum rated working pressure of 175 psig (1206 kPa); Pipe Flanges and FlangedFittings, NPS 1/2 Through NPS 24 Metric/Inch Standard, ANSI/ASME B16.5, for valves havinga maximum rated working pressure greater than 175 psig (1206 kPa.9.4 Valve bodies with grooved ends shall confor
42、m to Grooved and Shouldered Joints, ANSI/AWWAC606.9.5 A wafer type valve shall be constructed to fit between flanges made in accordance with therequirements for Class 125 or higher flanges in Gray Iron Pipe Flanges and Flanged Fittings, (Classes 25,125, and 250), ANSI/ASME B16.1.10 Shafts10.1 The sh
43、aft of a valve shall be constructed of AISI Series 300 or 400 stainless steel or equivalentmaterial.Exception: A valve can incorporate a shaft constructed of ductile iron, carbon steel or equivalent materialprovided:a) The shaft is not exposed to an internal water source;b) The valve is installed in
44、 above ground applications only; andc) No binding, rubbing, or friction occurs between the shaft and body as a result of shaftcorrosion.10.2 Shaft extensions shall be constructed of AISI Series 300 or 400 stainless steel, carbon steel orequivalent material.10.3 The shaft of a valve shall be capable
45、of transmitting the maximum operating torque withoutexceeding a torsional shear stress of:a) 40 percent of the yield strength; andb) 18 percent of the ultimate tensile strength of the shaft material.See Operation Tests, Section 20.MAY 12, 2010BUTTERFLY VALVES FOR FIRE-PROTECTION SERVICE - UL 10918UL
46、 COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION ORDISTRIBUTION WITHOUT PERMISSION FROM UL11 Brass Materials11.1 Parts that are exposed to water under service conditions and that are made of drawn, cast, ormachined brass containing more than 15 percent zinc shall resist cracking. See 10
47、-Day Moist AmmoniaAir Stress Cracking Test, Section 22.11.2 Parts that are exposed to water under service conditions and that are made of brass containingmore than 15 percent zinc shall resist dezincification. See Dezincification Test of Brass Parts Test,Section 24.12 Actuator Assemblies12.1 A valve
48、 shall be equipped with a worm gear or traveling nut actuator.12.2 An actuator shall be equipped with either of the following:a) An indicating arrangement that will positively indicate when the valve is in the open andclosed position. The indicator shall be visible from two positions 180 degrees apa
49、rt, at adistance to 50 feet (15.2 m). The valve and the actuator shall be constructed so that the valvecannot be assembled with the indicator showing the disc orientation incorrectly.b) A wrench nut constructed for connection to a separate butterfly valve indicator post.12.3 A valve incorporating an integral actuator/indicating arrangement as specified in 12.2(a) shall beconstructed such that it can be locked in the open position after installation.12.4 If a valve incorporates a stem extension, it shall be integral with the valve
