UL 1193:1998 pdf download Marine Filters and Strainers for Nonflammable Liquids
1 Scope
1.1 These requirements cover marine filters and strainers that are intended to separate foreign material.such as sand, fine gravel, and seaweed, from the seawater intake for marine engines or other equipmentusing seawater.
1.2 The marine filters and strainers covered by these requirements are intended for installation inaccordance with the applicable requirements of the U. S. Coast Guard or the American Boat and YachtCouncil, Inc., or both.
1.3 These requirements do not cover filters, strainers, or separators intended for use with flammableliquids.
1.4 A product that contains features, characteristics, components, materials, or systems new or differentfrom those covered by the requirements in this standard, and that involves a risk of fire, electric shock, oiinjury to persons shall be evaluated using the appropriate additional component and end-productrequirements as determined necessary to maintain the acceptable level of safety as originally anticipatedby the intent of this standard. A product whose features, characteristics, components, materials, oisystems conflict with specific requirements or provisions of this standard cannot be judged to comply withthis standard.Where considered appropriate, revision of requirements shall be proposed and adopted inconformance with the methods employed for development, revision, and implementation of this standard
2 Units of Measurement
2.1 If a value for measurement is followed by a value in other units in parentheses, the second value maybe only approximate. The first stated value is the requirement.
3 Components
3.1 Except as indicated in 3.2, a component of a product covered by this standard shall comply with therequirements for that component.
3.2 A component need not comply with a specific requirement that:a) lnvolves a feature or characteristic not needed in the application of the component in theproduct covered by this standard, or
b) ls superseded by a requirement in this standard.
3.3 A component shall be used in accordance with its recognized rating established for the intendedconditions of use.
3.4 Specific components are recognized as being incomplete in construction features or restricted inperformance capabilities. Such components are intended for use only under limited conditions, such ascertain temperatures not exceeding specified limits, and shall be used only under those specific conditionsfor which they have been recognized.
4 Glossary
4.1 For the purpose of these requirements, the following definitions apply.
4.2 FILTER – A device incorporating any form of filtering element intended to permit the passage ofwater, and prevent the passage of particles larger than a value less than 1/32 inch (0.8 mm).
4.3 STRAINER – A device incorporating a screen or sieve intended to permit the passage of water,and prevent the passage of particles larger than a value greater than 1/32 inch (0.8 mm).
CONSTRUCTION
5 General
5.1 A copy of the installation and operating instructions that accompany each device as produced, orequivalent information, is to be furnished with, and used as a guide in the examination and testing of, thedevice.
6Assembly
6.1 A filter or strainer shall include all of the components necessary for the intended function andinstallation of the device.
6.2 A device shall be constructed to withstand the stresses likely to be encountered in use.
6.3 The construction of a device shall facilitate cleaning even under adverse conditions of use, such asin an engine space with minimal lighting. See Disassembly Reassembly Test, Section 9.
UL 1193:1998 pdf download
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