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 there
2、from, is the sole responsibility of the user.” SAE reviews each technical report at least every five years at which time it may be revised, reaffirmed, stabilized, or cancelled. SAE invites your written comments and suggestions. Copyright 2013 SAE International All rights reserved. No part of this p
3、ublication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of SAE. TO PLACE A DOCUMENT ORDER: Tel: 877-606-7323 (inside USA and Canada) Tel: +1 724-776-497
4、0 (outside USA) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.org SAE values your input. To provide feedback on this Technical Report, please visit http:/www.sae.org/technical/standards/J2321/2_201305 SURFACE VEHICLE STANDARD J2321-2 MAY2013 Issued 2000-03 Reaffirmed
5、 2013-05 Superseding J2321-2 JAN2006 Disposable Hydraulic Filter Element - 190 L/min Flow, 21 MPa Collapse Pressure, Filtration Ratio = 75 at 7 m RATIONALE J2321/2 has been reaffirmed to comply with the SAE five-year review policy. ForewordThe following document numbering convention was established
6、to accommodate currently used militarypart numbers:In the part number, “J2321/2” is used rather than “J2321-2” to more clearly indicate that the part number is definedin SAE J2321-2 and not in the SAE J2321 General Specification. 1. ScopeThis specification sheet establishes requirements for a high c
7、ollapse pressure configuration filterelement of a specific configuration with a minimum filtration ratio of 75 for particles larger than 7 m whendesigned and tested in accordance with SAE J2321 and this specification sheet.1.1 Part or Identifying NumberFilter elements can be identified and ordered u
8、sing part identifying numbers asfollows:J2321/27XJ2321/2 Specification Sheet Number (SAE J2321-2) see the Foreword7 Dash No. for Filter Rating (see 1.1.1)X O-ring Material (see 1.1.2)EXAMPLEJ2321/27F is for a 7 m element supplied with a fluorocarbon O-ring.1.1.1 FILTRATION RATIO(Currently only the f
9、ollowing rating is covered.)7 = Minimum Filtration Ratio of 75 for particles greater than 7 m(c)1.1.2 SEAL MATERIALThe O-ring to be supplied with the element shall be of the size specified in Figure 1 andwith material as designated as follows:No designation = Supplied without O-ringF = Fluorocarbon
10、rubber per SAE AS3209224N = Nitrile rubber per AMS-P-83461/1224X = Seal material as designated by purchaser FIGURE 1SAE J2321-2 FILTER ELEMENT1.2 RationaleThis document has been reaffirmed to comply with the SAE 5-Year Review policy.2. References2.1 Applicable PublicationsThe following publications
11、form a part of this specification to the extent specifiedherein. Unless otherwise specified, the latest issue of the applicable publication, or its replacement shall apply.2.1.1 SAE PUBLICATIONSAvailable from SAE, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel:877-606-7323 (inside USA and Ca
12、nada) or 724-776-4970 (outside USA), www.sae.org.SAE J2321Ship Systems and EquipmentGeneral Specification for Filter ElementsHydraulic andLube Oil ServiceSAE AMS-P-83461/1Packing, Preformed, Petroleum Hydraulic Fluid Resistant, Improved Performanceat 275 Deg F (135 Deg C) Sizes and TolerancesSAE AS5
13、68Aerospace Size Standard for O-ringsSAE AS3209Packing, Preformed AMS 7276, “O”-Ring SAE AS4716Aerospace Standard, Gland Design, O-Ring and Other Elastomeric Seals2.1.2 ISO PUBLICATIONSAvailable from American National Standards Institute, 25 West 43rd Street, New York,NY 10036-8002, Tel: 212-642-490
14、0, www.ansi.org.ISO 12103-1Road vehiclesTest dust for filter evaluationPart 1: Arizona test dust _SAE J2321/2 Reaffirmed MAY2013 Page 2 of 43. Requirements3.1 Design, Materials, and TestingDesign, materials, and testing shall be in accordance with the generalspecification, SAE J2321 and the requirem
15、ents of this specification sheet.3.2 Configuration and DimensionsThe element configuration and dimensions shall be in accordance withFigure 1 and Tables 1A and 1B. The element O-ring gland shall be in accordance with SAE AS4716 for anAS568-224 O-ring with no back-up ring.3.3 Rated flowRated flow wit
16、h a petroleum base fluid with a viscosity of 68 mm2/s (68 cSt) shall be 190 L/min(50 gpm). 3.4 Dirt Holding CapacityThe apparent dirt holding capacity when tested with ISO 12103-1 A3 Medium TestDust shall be 50 g at rated flow to a differential pressure not exceeding 200 kPa (29 lb/in2) when tested
17、with afluid with a viscosity not less than 15 mm2/s (15 cSt).3.5 Filtration RatioThe minimum filtration ratio for the multi-pass test shall not be less than 75 for particles 7 mand larger with an ingression rate of 3 mg/L.3.6 Terminal Pressure Drop for Determining Filtration RatioThe element shall b
18、e tested at rated flow with15 mm2/s fluid at differential pressures to 1600 kPa (232 lb/in2).3.7 Clean Element Pressure DropThe pressure differential across a clean element at rated flow with 68 mm2/s (68 cSt) fluid shall not exceed 200 kPa (29 lb/in2).3.8 Collapse PressureThe element shall withstan
19、d a minimum collapse pressure of 21 MPa (3045 lb/in2).3.9 Reverse Flow PressureThe element shall withstand a minimum differential pressure of 140 kPa (20 lb/in2)in the reverse flow direction.3.10 Flow Fatigue CyclesThe element shall be subjected to 45 000 flow fatigue cycles at a differential pressu
20、reof 700 kPa (100 lb/in2) followed by 5000 cycles at a differential pressure of 2.0 MPa (290 lb/in2).3.11 Media Migration/Vibration TestingWhen subjected to media migration/vibration testing, media migrationand built-in contamination shall not exceed 5.0 mg.3.12 Magnetic permeabilityUnless specifica
21、lly waived by the procuring activity, the relative magneticpermeability shall be less than 2.0.TABLE 1ADIMENSIONS OF FILTER ELEMENTS (A THROUGH E)A(REF)BMinBMaxCMinCMaxDMinDMaxEMinEMaxInch 12.316 3.344 3.406 11.37 11.45 1.988 1.990 1.748 1.750Milli-meter 312.83 84.94 86.51 288.80 290.80 50.50 50.55
22、44.40 44.45TABLE 1BDIMENSIONS OF FILTER ELEMENTS (F THROUGH J)FMinFMaxGMinGMaxHMinHMaxIMinIMaxJMinJMaxInch 0.188 0.198 0.646 0.666 0.235 0.265 0.485 0.515 0.235 0.265Milli-meter 4.78 5.03 16.41 16.91 5.97 6.73 12.32 13.08 5.97 6.73_SAE J2321/2 Reaffirmed MAY2013 Page 3 of 44. NotesThis section conta
23、ins information of a general or explanatory nature that may be helpful but is not arequirement of the specification.4.1 This part number is intended to replace military part number M24402/4 Size B. The M24402/4 Size B elementhas a higher collapse pressure of 27.6 MPa (4000 lb/in2) and a lower efficiency.PREPARED BY THE SAE SHIP SYSTEMS AND EQUIPMENT COMMITTEE_SAE J2321/2 Reaffirmed MAY2013 Page 4 of 4
