1、- - -I _I _II_ STD=UL LLZL-ENGL 1998 9275775 0760498 TTL - O-7629-0268-X Marine Through-Hull Fittings and Sea-Valves _- - i I I l _ - Underwriters Laboratories Inc. 8 Northbrook, Illinois (847) 272-8800 Melville, New York* (516) 271-6200 Santa Clara, California (408) 985-2400 Research Triangle Park,
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7、IL 60062-2096 UL Standard for Safety for Marine Through-Hull Fittings and Sea-Valves, UL 1121 Fifth Edition, Dated November 18, 1998 The master for this Standard at ULs Northbrook Office is the official document insofar as it relates to a UL service and the compliance of a product with respect to th
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22、s in this Standard are now in effect, except for those paragraphs, sections, tables, figures, and/or other elements of the Standard having future effective dates as indicated in the note following the affected item. The prior text for requirements that have been revised and that have a future effect
23、ive date are located after the Standard, and are preceded by a “SUPERSEDED REQUIREMENTS notice. Copyright Q 1998 Underwriters Laboratories Inc. This Standard consists of pages dated as shown in the following checklist: Page Date 1-14 . , , . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
24、. . . . . . . . . . . . . . . . . , , . . . . . . . . . . . . . . . . . . . November 18, 1998 STD=UL 1121-ENGL 1998 9275795 O760502 252 = November 18,1998 1 UL 1121 Standard for Marine Through-Hull Fittings and Sea-Valves First Edition - September, 1972 Second Edition -July, 1973 Third Edition - Oct
25、ober, 1979 Fourth Edition - July, 1988 Fifth Edition November 18,1998 An effective date included as a note immediately following certain requirements is one established by Underwriters Laboratories inc. Revisions of this Standard will be made by issuing revised or additional pages bearing their date
26、 of issue. A UL Standard is current only if it incorporates the most recently adopted revisions, ali of which are itemized on the transmittal notice that accompanies the latest set of revised requirements. ISBN 0-7629-0268-X COPYRIGHT O 19T7,1998 UNDERWRITERS LABORATORIES INC. STD-UL 1121-ENGL 1998
27、D 9275795 O760503 199 2 MARINE THROUGH-HULL FllTlNGS AND SEA-VALVES - UL 1121 NOVEMBER 18,1998 No Text on This Page STD*UL 1121-ENGL 1998 9275795 O760504 025 = NOVEMBER 18. 1998 MARINE THROUGH-HULL FllTINGS AND SEA-VALVES . UL 1121 3 CONTENTS FOREWORD 4 INTRODUCTION 1 Scope . 5 4 Glossary . 6 2 Unit
28、s of Measurement . 5 3 Component . 5 CONSTRUCTION 5 All Devices . 6 6 Through-Hull Fittings 6 7 Seacocks 7 8 Materials . 7 PERFORMANCE 9 General 8 1 O Thermal Conditioning Test 9 11 Mechanical and Thermal Shock Test (Sea Valves) . 9 12 Moisture Absorption Test . 9 13 Resistance to Liquids Test . 10
29、14 Vibration Test 10 15 Shock Test . 10 16 Abrasion and Rough Usage Test (Through-Hull Fittings) . 11 17 Operation Test (Sea Valves) . 11 18 Leakage Test (Sea Valves) 11 19 1 O-Day Moist Ammonia Air Stress Cracking Test . 11 20 Static Load Test 12 21 Resistance to Ultraviolet Weathering Test . 13 MA
30、RKING 22 General 14 STDDUL 1121-ENGL L998 9275795 0760505 TbL 4 MARINE THROUGH-HULL FlllINGS AND SEA-VALVES - UL 1121 NOVEMBER 18,1998 FOREWORD A. This Standard contains basic requirements for products covered by Underwriters Laboratories Inc. (UL) under its Follow-Up Service for this category withi
31、n the limitations given below and in the Scope section of this Standard. These requirements are based upon sound engineering principles, research, records of tests and field experience, and an appreciation of the problems of manufacture, installation, and use derived from consultation with and infor
32、mation obtained from manufacturers, users, inspection authorities, and others having specialized experience. They are subject to revision as further experience and investigation may show is necessary or desirable. B. The observance of the requirements of this Standard by a manufacturer is one of the
33、 conditions of the continued coverage of the manufacturers product. C. A product which complies with the text of this Standard will not necessarily be judged to comply with the Standard if, when examined and tested, it is found to have other features which impair the level of safety contemplated by
34、these requirements. D. A product employing materials or having forms of construction which conflict with specific requirements of the Standard cannot be judged to comply with the Standard. A product employing materials or having forms of construction not addressed by this Standard may be examined an
35、d tested according to the intent of the requirements and, if found to meet the intent of this Standard, may be judged to comply with the Standard. E. UL, in performing its functions in accordance with its objectives, does not assume or undertake to discharge any responsibility of the manufacturer or
36、 any other party. The opinions and findings of UL represent its professional judgment given with due consideration to the necessary limitations of practical operation and state of the art at the time the Standard is processed. UL shall not be responsible to anyone for the use of or reliance upon thi
37、s Standard by anyone. UL shall not incur any obligation or liability for damages, including consequential damages, arising out of or in connection with the use, interpretation of, or reliance upon this Standard. F. Many tests required by the Standards of UL are inherently hazardous and adequate safe
38、guards for personnel and property shall be employed in conducting such tests. STD-UL LLIIL-ENGL 1998 9275795 07b050b 9TB H NOVEMBER 18,1998 MARINE THROUGH-HULL FnINGS AND SEA-VALVES - UL 1121 5 INTRODUCTION 1 Scope 1.1 These requirements cover marine through hull fittings intended to be used above o
39、r below the water line and marine sea valves for use as shut off devices to effect positive closure of boat hull penetrations. 1.2 These requirements do not cover the use of shut off devices as a means of establishing or controlling the flow rate of a liquid. 1.3 Requirements for the installation an
40、d use of marine through-hull hull fittings and seacocks covered by these requirements are included in Recommended Practices and Standards Covering Seacocks, Through-hull Hull Connections, and Drain Plugs, ABYC H 27, and the Recommended Practices and Standards Covering Installation and Protection of
41、Hull Openings Between Waterline and Sheer Line, ABYC H 15. 1.4 A product that contains features, characteristics, components, materials, or systems new or different from those covered by the requirements in this standard, and that involves a risk of fire, electric shock, or injury to persons shall b
42、e evaluated using the appropriate additional component and end-product requirements as determined necessary to maintain the acceptable level of safety as originally anticipated by the intent of this standard. A product whose features, characteristics, components, materials, or systems conflict with
43、specific requirements or provisions of this standard cannot be judged to comply with this standard. Where considered appropriate, revision of requirements shall be proposed and adopted in conformance with the methods employed for development, revision, and implementation of this standard. 2 Units of
44、 Measurement 2.1 If a value for measurement is followed by a value in other units in parentheses, the second value may be only approximate. The first stated value is the requirement. 3 Component 3.1 Except as indicated in 3.2, a component of a product covered by this standard shall comply with the r
45、equirements for that component. 3.2 A component need not comply with a specific requirement that: a) Involves a feature or characteristic not needed in the application of the component in the product covered by this standard, or b) Is superseded by a requirement in this standard. 3.3 A component sha
46、ll be used in accordance with its recognized rating established for the intended conditions of use. 3.4 Specific components are recognized as being incomplete in construction features or restricted in performance capabilities. Such components are intended for use only under limited conditions, such
47、as certain temperatures not exceeding specified limits, and shall be used only under those specific conditions for which they have been recognized. STD-UL LL2L-ENGL 1998 M 9275795 O760507 834 M 6 MARINE THROUGH-HULL FllllNGS AND SEA-VALVES - UL 1121 NOVEMBER 18,1998 4 Glossary 4.1 For the purpose of
48、 these requirements the following definitions apply. 4.2 THROUGH-HULL FITTING - A device intended to provide a means of conveying liquid or vapor into or out of the hull of a boat without leakage of liquid or vapor to the boat interior. 4.3 SEACOCK - A type of valve used to control the intake or dis
49、charge of water through the hull. It is operated by a lever type handle usually operating through a 90 degree arc, giving a clear indication of whether it is open or closed. CONSTRUCTION 5 All Devices 5.1 A through-hull fitting or sea valve shall have a nonclogging passageway. 5.2 A through-hull fitting or sea valve shall be constructed to prevent loosening from the hull or shifting in position in service when mounted as intended. 6 Through-Hull Fittings 6.1 A through-hull fitting shall be constructed to provide the necessary
