1、I INCH-POUND I A-A- 590 09 22 July 1997 COMMERCIAL ITEM DESCRIPTION STRAINERS, SEDIMENT, PIPELINE, SELF-CLEANING The General Service Administration has authorized the use of this commercial item description, for all federal agencies. 1. SCOPE 1.1 ScoDe. This commercial item description covers self-c
2、leaning pipeline sediment strainers. 1.2 Intended use. The strainers specified are intended for installation in fuel piping systems on the discharge side of the pump. 2. SALIENT CHARACTERISTICS 2.1 Codes and standards. Strainer shall comply with the applicable requirements of Table I. 2.2 Desian and
3、 construction. Each strainer shall contain one rotatable screen and floating brush for the purpose of cleaning the screen without shutting down operation of the system. The sump below the screen shall be fitted with a valved drain outlet. 2.3 Material. The material requirements for all strainer comp
4、onents shall be in accordance with Table II. Beneficial comments, recommendations, additions, deletions, clarifications. etc. and any other data which may improve this document should be sent to: Commander, SEA 03R42, Naval Sea Systems Command, 2531 Jefferson Davis Hwy, Arlington, VA 22242-5160. AMS
5、C N/A FSC 4730 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TABLE I. Reference data. Part Material Applicable documents Remarks Housing CRES ASTM A 351 CF8M Cover Mo
6、nel NO4400 Brush Stainless steel ASTM A 167 S30400 Threaded Non-CRES MS17829 fasteners I O I rings Fluorocarbon MIL-R-832 48 / 1 Type 1 Class 1 Screen CRES plate ASTM A 167 S31600 Non-ferrous ASTM F 593 Equipment/Characteristic Description Fuel type F-76 fuel per MIL-F-16884 Operating pressure 600 p
7、si (MAX) Temperature range 70 to 120F Piping connections Inlet and outlet 3-inch, class 600, ANSI 16.5 raised face flanges . I 2.4 Screen. The screen shall be made of one unit. Screen shall be of the spiral wound “V“ shape wire construction. All seam welds shall be continuous. 2.4.1 Screen strenath
8、test. The strainer screen shall be tested by applying a differential pressure across the screen equal to 100 percent of the specified strainer design pressure using water for a duration of 10 minutes. Differential pressure shall be applied in a rapid manner, one minute.or less. Screen which distort,
9、 stretch, or exhibit other weaknesses shall be rejected. 2.5 Actuation. Each strainer screen shall be fitted with a shaft along its rotational axis, which penetrates the compartment cover through a watertight seal. The design shall incorporate a positive means of preventing stem ejection. Handwheel
10、shall be sized and configured so that maximum required operating force is less than 50 pound. 2.6 Brush. The brush shall be aligned so that the screen can be turned in either direction without being damaged. TABLE II. Materials rewired for strainers. 2.7 Covers. Compartment covers shall be flanged a
11、nd attached to the body by , bolts. Each cover shall be equipped with an anti-spray feature, to deflect fluid spray in the event of a O-ring seal failure. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59009 m 9999974 0375229 bo8 m A-A- 5 9 O
12、O 9 2.8 EnveloDe dimensions. Envelope dimensions shall be in accordance with Table III. TABLE III. EnveloDe dimensions. Notes: 1. Height does not include drain valve. 2. All dimension are in inches. 2.9 pun ctional Derformance. Unless otherwise specified (see 6-11, design flow capacity and design te
13、mperature shall be as specified in Table I. 2.9.1 ODerational cvclina tests. The strainer shall be tested for a total of 600 cycles at design pressure. At the completion of the 600 cycles, compliance with the required operating force of 50 pounds or less and zero leakage shall be demonstrated. Upon
14、satisfactory completion of this test the unit shall be refurbished to new condition before being offered for delivery. 2.10 Workmanshix,. The strainer body and covers shall be of uniform quality and condition, free from blow holes, porosity, hard spots, shrinkage defects, cracks, and other defects.
15、All surfaces shall be smooth and well cleaned. The inside surfaces of strainers shall be well cleaned and free from sharp edges. 3. REGULATORY REQUIREMENTS 3.1 Recovered materials. The offeror/contractor is encouraged to use recovered materials to maximum extent practicable, in accordance with parag
16、raph 23.403 of the Federal Acquisition Regulation (FAR). 3.2 Prohibited material. Zinc or cadmium plating shall not be used on any part of the strainer. 3.3 Mercurv exclusion. The strainer shall be free of mercury contamination. During the manufacturing process, tests, and examination, the product t
17、o be offered for acceptance shall not come in direct contact with mercury or any of its components, nor with any mercury containing device employing a single boundary of containment. 4. QUALITY ASSURANCE PROVISIONS 4.1 Product conformance. The products provided shall meet the salient characteristics
18、 of this commercial item description, conform to the producers own drawings, specifications, standards, and quality assurance practices, and be the same production offered for sale in the commercial market. The government reserves the right to require proof of such conformance. 4.2 Additional inspec
19、tion. Where other specifications form a part of this commercial item description, sampling, examination, and tests shall be conducted as required by the pertinent specification, unless otherwise specified in the contract or order (see 7.1). 5. PACKAGING 5.1 General reauirement. Commercial packaging
20、shall be in accordance with the requirements of ASTM D 3951. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59009 = 9999974 01175230 32T A-A- 5 9 O O 9 5.1.1 Container modification. Shipping containers exceeding 200 pounds gross weight shall b
21、e provided with a minimum of two, 3- by 4-inch nominal wood skids laid flat, or a skid- or sill-type base which will support the material and facilitate handling by mechanical handling equipment during shipment, stowage, and storage. 6. NOTES 6.1 Acauisition reuuirements. Acquisition documents must
22、specify the following: (a) Title, number, and date of this comercial item description. (b) The required design flow capacity and clean pressure drop (cl Technical manuals and drawings required (see 6.3). (d) Whether repair parts are required (see 6.4.1). (e) Issue of DODISS to be cited in the solici
23、tation, and if (see Table I). required, the specified issue of individual documents referenced (see 6.2.1.1). 6.2 Sources of documents. 6.2.1 Government documents. The following documents of the issue in effect on date of invitation for bids or request for proposal, form a part of the comercial item
24、 description to the extent specified. 6.2.1.1 SDecifications. standards, and handbo oks. The following specifications, standards, and handbooks form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those listed in the issue of the
25、Department of Defense Index of Specifications and Standards (DODISS) and supplement thereto, cited in the solicitation (see 6.1). SPECIFICATIONS DEPARTMENT OF DEFENSE MIL-S-901 - Shock Tests, H.I. (High-Impact); Shipboard Machinery, Equipment, & Systems, Requirements for. MIL-R-83248 - Rubber, Fluor
26、ocarbon Elastomer, High Temperature Fluid and Compression Set Resistant. Temperature Fluid, and Compression Set Resistant (O-rings, Class 1, 75 Hardness). MS17829 - Nut, Self-Locking, Hexagon, Regular Height, 250 Degree F, (Non Metallic Insert) Non- Corrosion-Resistant Steel. MIL-R-83248/1 - Rubber
27、Fluorocarbon Elastomer, High STANDARDS DEPARTMENT OF DEFENSE MIL-STD-167 - Mechanical Vibrations of Shipboard Equipment (Type I - Environmental and Type II - Internally Induced). (Unless otherwise indicated, copies of federal and military specifica- tions, standards, and handbooks are available from
28、 the Naval Publication and Forms Center, Standardization Documents Order Desk, BLDG. 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094.) 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A- 59009 6.2.2 Non-Government Dublications. The following d
29、ocuments form a part of this document to the extent specified herein. Unless otherwise specified, the issues of the documents which are DOD adopted are those listed in the issue of the DODISS cited in the solicitation. Unless otherwise specified, the issues of documents not listed in the DODISS are
30、the issues of the documents cited in the solicitation (see 6.1). AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI) B16.5 - Pipe Flanges and Flanged Fittings. (Application for copies should be addressed to the American National Standards Institute, 1430 Broadway, New York, NY 10018.) AMERICAN SOCIETY FOR
31、TESTING AND MATERIALS (ASTM) A 167 - Standard Specification for Stainless and Heat- Resisting Chromium-Nickel Steel Plate, Sheet and Strip. Ferritic (Duplex), for Pressure-Containing Parts. A 351 - Standard Specification for Castings Austenitic- D 3951 - Commercial Packaging, Practice for. F 593 - S
32、tandard Specification for Nonferrous Bolts, Hex Cap Screws, and Studs. (Application for copies should be addressed to the American Society for Testing and Materials, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2859.) FLUID CONTROL INSTITUTE (FCI) 78-1 - Pressure Rating Standard for Pipeline S
33、trainers Other Then “Y“ Type. (Application for copies should be addressed to the Fluid Control Institute, Inc., P.O. Box 3854, Tequesta, FL 33458.) INSTRUMENT SOCIETY OF AMERICA (ISA) S75.02 - Control Valve Capacity Test Procedure. (Application for copies should be addressed to the Instrument Societ
34、y of America, 67 Alexander Dr., P.O. Box 12277, Research Triangle Park, NC 27709.) (Non-Government standards and other publications are normally available from the organization that prepares or distributes the documents. These documents also may be available in or through libraries or other informat
35、ional services. ) 6.2.3 Order of Drecedence. In the event of a conflict between the text of this commercial item description and the references cited herein, the text of this commercial item description takes precedence. Nothing in this commercial item description, however, supersedes applicable law
36、s and regulations unless a specific exemption has been obtained. 6.3 Technical manuals. The requirement for technical manuals should be considered when this specification is applied to a contract. If technical manuals are required, military specifications and standards which have been cleared and li
37、sted in DoD 5010.12-L (AMSDL) must be listed on a separate CDRL (DD Form 1423), included as an exhibit to the contract. The technical manuals must be acquired under a separate contract line item in the contract. 6.4 Orderina sDare or repair Darts. When ordering spare parts or repair parts for the eq
38、uipment covered by this commercial item description, the contract should state that such spare parts and repair parts should meet the same requirements as the parts used in the manufacture of the equipment. Packaging for such parts should also be specified. 5 Provided by IHSNot for ResaleNo reproduc
39、tion or networking permitted without license from IHS-,-,-A-A- 5 9 O0 9 6.4.1 pen air Darts and reDair Darts boxes. Complete sets of repair screens for each type and class shall be furnished as follows: (a) One set for each of the eight initial strainers required. (b) One set for each two additional
40、 strainers required. (cl Cover O-rings - four for every strainer supplied. (d) Other O-rings, and seals - one set for every eight strainers supplied. When specified (see 6.1) items (c) and (d) shall be furnished in repair boxes. 6.5 Preinstallation instruction. A set of instructions covering the pre
41、installation of the equipment should be furnished. Instructions should include all information necessary to return the unit to active status, such as, but not limited to: the addition of lubricants prior to operation, flushing of lines, removal of greaseproof barrier and the location of detached com
42、ponents. Instructions should be packaged in a transparent waterproof plastic bag. Closure should be by heat sealing. The shipping container in which the instructions are packed should be so marked. CIVIL AGENCY COORDINATING ACTIVITY: GSA-FSS MILITARY INTERESTS: Custodians: Army - MR Navy - SH Air Force - 99 Review activities: Navy - SA Air Force - 82 DLA-CS Preparing activity: Navy - SH (Project 4730-0463) 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
