SAE J2333-1998 Ship Systems and Equipment.Hydraulic Systems—Filter Selection Parameters.pdf
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1、SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefr
2、om, is the sole responsibility of the user.” SAE reviews each technical report at least every five years at which time it may be reaffirmed, revised, or cancelled. SAE invites your written comments and suggestions. QUESTIONS REGARDING THIS DOCUMENT: (724) 772-8512 FAX: (724) 776-0243 TO PLACE A DOCU
3、MENT ORDER; (724) 776-4970 FAX: (724) 776-0790 SAE WEB ADDRESS http:/www.sae.org Copyright 1998 Society of Automotive Engineers, Inc. All rights reserved.Printed in U.S.A. SURFACE VEHICLE 400 Commonwealth Drive, Warrendale, PA 15096-0001 RECOMMENDED PRACTICE Submitted for recognition as an American
4、National Standard J2333 ISSUED MAR1998 Issued1998-03 DOD Adopted1998-10 Ship Systems and EquipmentHydraulic SystemsFilter Selection Parameters ForewordThis SAE Recommended Practice is based to a large extent on a paper prepared by Wayne K. Wilcox of the Naval Sea Systems Command titled “Selection Pa
5、rameters for Hydraulic System Filters with a Comparison of Aircraft and Marine Applications“ which was published in the September 1987 issue of the Naval Engineers Journal. Much of the material in this document has been extracted directly from the paper with the permission of the author. TABLE OF CO
6、NTENTS 1.Scope . 2 1.1Field of Application. 2 2.References. 2 2.1Applicable Publications. 2 2.2Other Publications 3 3.Definitions. 3 3.1Filtration Efficiency . 3 3.2Absolute Rating 3 3.3Filtration Ratio (Beta Ratio) 3 3.4Nominal (Size) Rating. 3 3.5Percentage by Weight 4 4.Introduction. 4 4.1Backgro
7、und 4 4.2Cause of Past Deficiencies. 4 4.3Selection Parameters . 4 4.4Fluid Viscosity and Flow Rate 4 4.5Filter Location. 6 4.6Filter Bypass Relief Valves. 7 4.7Filter Element Efficiency and Dirt Capacity 9 4.8Cost Factors in Filter Selection. 10 4.9Selection of Maintenance Practices . 11 4.10Select
8、ion of Element Condition Indicators 12 4.11Selection of Standardized Elements and Assemblies 14 4.12Determining System Cleanliness Requirements 14 SAE J2333 Issued MAR1998 -2- 5.Notes 16 5.1Iintended Use16 5.2Applicability.16 5.3Key Words.16 1.ScopeThis SAE Recommended Practice identifies and examin
9、es the various parameters which must be considered in selecting hydraulic system filters, their locations within the system and the dirt capacity of the filter elements. 1.1Field of ApplicationThis document is generally applicable to all ship hydraulic systems but does not apply to personal or recre
10、ational watercraft. 2.References 2.1Applicable PublicationsThe following publications form a part of the specification to the extent specified herein. Unless otherwise indicated, the latest revision of SAE publications shall apply. 2.1.1SAE PUBLICATIONSAvailable from Society of Automotive Engineers,
11、 Inc., 400 Commonwealth Drive, Warrendale, Pa 15096. SAE AIR 887Liquid Filter Ratings, Parameters and Tests SAE J1778Hydraulic Fluids For Marine Vehicles SAE J1779Hydraulic System Design Criteria for High-Performance Marine Surface Vehicles and Small Submersible Vehicles SAE J2321Ship Systems and Eq
12、uipmentFilter ElementsHydraulic and Lube Oil Service (Document under development) 2.1.2NFPA PUBLICATIONSAvailable from National Fluid Power Association, 3333 North Mayfair Road, Milwaukee, WI 53222. T3.10.8.8Multi-Pass Method for Evaluating the Filter Performance (Note: Expected to be replaced with
13、ISO 16889.) 2.1.3ISO DOCUMENTSAvailable from International Organization for Standardization, 1 rue de Varembe, 1211 Geneva 20, Switzerland or from the National Fluid Power Association (NFPA). ISO 4406Hydraulic fluid powerFluidsCodes for defining the level of contamination of solid particles ISO 4572
14、Hydraulic fluid powerFiltersMultipass method for evaluating filtration performance of a fine filter element (Note: Expected to be replaced with ISO 16889.) ISO 12103-1Road vehiclesTest dust for filter evaluationPart 1: Arizona test dust ISO 111711Hydraulic fluid powerCalibration of liquid automatic
15、particle counters 2.1.4DEPARTMENT OF DEFENSE PUBLICATIONSAvailable from DODSSP, Subscription Services Desk, Building 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094. MIL-F-5504Filter and Filter Elements, Fluid Pressure, Hydraulic Micronic Type MIL-H-5606Hydraulic Fluid, Petroleum Base, Aircraft
16、and Ordnance MIL-F-8815Filter and Filter Elements, Fluid Pressure, Hydraulic Line, 15 Micron Absolute and 5 Micron Absolute, Type II Systems, General Specification for MIL-F-17111Fluid, Power Transmission MIL-L-17331Lubricating Oil, Steam Turbine and Gear, Moderate Service MIL-PRF-17672Hydraulic Flu
17、id, Petroleum, Inhibited MIL-H-19457Hydraulic Fluid, Fire-Resistant, Non-Neurotoxic MIL-H-22072Hydraulic Fluid, Catapult, NATO Code Number H-579 SAE J2333 Issued MAR1998 -3- MIL-F-24402Filter (Hydraulic), Filter Elements (High Efficiency) and Filter Differential Pressure Indicators MIL-F-24402/4Filt
18、er Elements, Hydraulic, Disposable (Expected to be replaced by SAE J2321) MIL-F-24702Filter Elements, Hydraulic, Disposable, General Specification for (Expected to be replaced by SAE J2321 when issued) MIL-PRF-83282Hydraulic Fluid, Fire Resistant, Synthetic Hydrocarbon Base, Aircraft, Metric, NATO C
19、ode Number H-537 2.2Other Publications Downs, David C., “Clean hydraulics cuts downtime,“ Machine Design, Dec. 14, 1995, pg. 113-119 Needleman, W. M., “Filtration,” STLE Handbook of Lubrication and Tribology, E. R. Booser, Ed., CRC Press, 1994 Pall Industrial Hydraulics Corporation, “Contamination C
20、ontrol and Filtration Fundamentals,“ 1993, 2200 Northern Blvd., East Hills, NY 11548-1289 Parker Hannifin Corporation, “The Handbook of Hydraulic Filtration,“ Hydraulic Filter Division, 16810 Fulton County Road #2, Metamora, OH 43540 Vickers, Incorporated “Vickers Guide to Systemic Contamination Con
21、trol, 12/1992. P.O. Box 302, Troy, MI 48007-302 Wilcox, Wayne K., “Selection Parameters for Hydraulic System Filters with a Comparison of Aircraft and Marine Applications,“ Naval Engineers Journal, Sept. 1987, Vol. 99, No. 5, pp. 62-70 Zingaro, A. “Walking the fluid cleanliness tightrope, Part 5: Fl
22、uid cleanliness standards, the Multipass Test, Beta Ratios, Contaminant loading, particle capture efficiency, and filter selection and location,“ Hydraulic however, they cannot protect system components from a catastrophic pump failure. In systems with multiple pumps, a separate discharge filter is
23、recommended for each pump. 4.5.5FILTERS UPSTREAM OF CONTAMINATION SENSITIVE COMPONENTSFilters should be installed immediately upstream of critical and contamination sensitive components, such as electro-hydraulic servo valves, particularly in large systems where the servo is located a considerable d
24、istance from the pump discharge filter. When such filters are installed, it is generally not a good practice to select a filter with finer filtration than the pump discharge or return line filter or they are apt to have a short service life as they become the primary system filter. Filters in these
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