ANSI ASTM F1431-1992 Standard Specification for Water Trap for Diesel Exhaust《内燃机排气用水密封器规范》.pdf

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1、Designation: F1431 92 (Reapproved 2016) An American National StandardStandard Specification forWater Trap for Diesel Exhaust1This standard is issued under the fixed designation F1431; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision,

2、 the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers the material, dimensions, andconstruction of diesel exhaust water traps, which

3、shall berequired whenever the exhaust is to be expelled through thehull of the vessel.1.2 The traps are designed to prevent sea backwash fromentering the diesel exhaust system.1.3 The values stated in SI units are to be regarded asstandard. The values given in parentheses are mathematicalconversions

4、 to inch-pound units that are provided for informa-tion only and are not considered standard.2. Referenced Documents2.1 ASTM Standards:2B443 Specification for Nickel-Chromium-Molybdenum-Columbium Alloy(UNS N06625) and Nickel-Chromium-Molybdenum-SiliconAlloy (UNS N06219) Plate, Sheet,and StripF104 Cl

5、assification System for Nonmetallic Gasket Materi-als2.2 Military Standard:3MIL-S-901 Requirements for Shock Tests, High Impact,Shipboard Machinery, Equipment and Systems2.3 Other Documents:ABS Rules for Building and Classing Steel Vessels4AWS D1.1 Structural Welding Code53. Ordering Information3.1

6、Water traps ordered under this specification shall in-clude the following information:3.1.1 ASTM designation, title and date of this specification,3.1.2 Quantity,3.1.3 Size,3.1.4 Shock test and grade (see Supplementary RequirementS1),3.1.5 Handhole shall be at 45 unless otherwise specified,and3.1.6

7、Flange dimensions shall be indicated for gaskets.4. Materials and Manufacture4.1 Materials:4.1.1 The tank and baffles shall be of nickel-chromium-molybdenum-columbium alloy and tested in accordance withSpecification B443.4.1.2 GasketsGaskets shall be ASTM Classification F104(F712100A9B4E22K5M6) and

8、shall withstand temperaturesof 650C (1200F).4.2 Manufacture:4.2.1 Construction of the water traps shall be in accordancewith this specification and Fig. 1.4.2.2 Welding shall be in accordance with ABS Rules forBuilding and Classing Steel Vessels or AWS D1.1.5. Requirements5.1 Water traps for diesel

9、exhaust systems shall be designedfor maximum temperatures of 650C (1200F).5.2 Baffles:5.2.1 No less than three baffles shall be installed. Thebottom baffle shall not extend below the top of the outlet pipe,as shown in Fig. 1.5.2.2 The inlet may be rotated about the centerline of thetrap to suit the

10、installations. The top baffle shall also be rotatedto retain the same relation with the inlet as shown in Fig. 1.5.3 Trap Size:5.3.1 The trap size shall be a minimum of1m(3ft)high.5.3.2 The diameter shall equal twice the diameter of theinlet exhaust line.5.3.3 The minimum free area through the trap

11、shall equaltwice the area of the outlet exhaust line.5.4 Hand HoleThe hand hole shall be configured asindicated in Fig. 1.1This specification is under the jurisdiction of ASTM Committee F25 on Shipsand Marine Technology and is the direct responsibility of Subcommittee F25.11 onMachinery and Piping S

12、ystems.Current edition approved Sept. 1, 2016. Published September 2016. Originallyapproved in 1992. Last previous edition approved in 2010 as F1431 92 (2010).DOI: 10.1520/F1431-92R16.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm

13、.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.3Available from Standardization Documents Order Desk, Bldg. 4 Section D, 700Robbins Ave., Philadelphia, PA 19111-5094, Attn: NPODS.4Available from American Bureau of Shipping (A

14、BS), ABS Plaza, 16855Northchase Dr., Houston, TX 77060, http:/www.eagle.org.5Available from American Welding Society (AWS), 8669 NW 36 St., #130,Miami, FL 33166-6672, http:/www.aws.org.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States16

15、. Dimensions6.1 The dimensions in Fig. 1 are recommended nominaldimensions.7. Workmanship, Finish, and Appearance7.1 Workmanship on traps and piping shall be of sufficientquality to prevent dirt accumulation. Welding shall have small,even beading, free of slag and spatter.7.2 The trap shall be free

16、of paint.8. Test Method8.1 Each trap shall be pneumatically proof tested 35 kPa (5psi) with no visible seam leakage.9. Packaging9.1 The water traps shall be crated or packaged individuallyfor shipment by a commercial common carrier.9.1.1 Talc and talcum used in the packaging process ofitems shall be

17、 free of asbestos and asbestiform-like materials.10. Marking10.1 Each water trap shall bear a weathertight tag showingthe purchase order number, ASTM designation, size, and nameof manufacturer. The markings on the package shall beapproximately 25.4 mm (1 in.) high.11. Quality Assurance Provisions11.

18、1 Source InspectionThe purchaser reserves the right toinspect the manufacturing process and end product in thesuppliers plant.12. Keywords12.1 diesel exhaust systems; piping systemsFIG. 1 Water Trap for Diesel ExhaustF1431 92 (2016)2SUPPLEMENTARY REQUIREMENTSThe following supplementary requirements

19、shall apply only when specified by the purchaser in thecontract order.S1. Provisions to withstand high shock. The grade will bespecified by the navy requirements.S1.1 When specified, the diesel exhaust water trap shallmeet the requirements set forth in MIL-S-901.ASTM International takes no position

20、respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.Th

21、is standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM Int

22、ernational Headquarters. Your comments will receive careful consideration at a meeting of theresponsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown

23、 below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org). Permission rights to photocopy the standard may also be secured from the Copyright Clearance Center, 222Rosewood Drive, Danvers, MA 01923, Tel: (978) 646-2600; http:/ 92 (2016)3

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