1、 AMSC N/A FSC 680 Comments, suggestions, or questions on this document should be addressed to WR-ALC/LER, 225 Ocmulgee Court, Robins AFB GA 31098-1647. Since contact information can change, you may want to verify the currency of this address information using the ASSIST Online database at https:/ass
2、ist.daps.dla.mil/online . MIL-PRF-32020B 5 April 2011 SUPERSEDING MIL-PRF-32020A 17 May 2010 PERFORMANCE SPECIFICATION PROVER, LIQUID VOLUMETRIC POSITIVE DISPLACEMENT METER This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. The me
3、ter prover is used to verify readings on displacement and turbine meters such as permanently installed meters used with truck fill stand installations or meters mounted on mobile refueling equipment such as the R-11 6000 gallon refueler and R-12 Hydrant Refueler. The prover is designed for the verif
4、ication of positive displacement and turbine meters within the operational flow range of 30 GPM to 600 GPM with operating pressures not to exceed 150 psi. The meter prover consists of a trailer chassis and running gear that contains a master meter, suitable inlet and outlet piping and connections, d
5、ischarge hoses and nozzles, control valves, check valve after meter, and pressure and 2 temperature gages. The master meter prover will be designed in accordance with API MPMS 4-1 and 4-5. 2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this section are specified in sections 3 and 4 of
6、this specification. This section does not include documents in other sections of this specification or recommended for additional information or as examples. While every effort has been made to ensure the completeness of this list, document users are cautioned that they must meet all specified requi
7、rements documents cited in sections 3 and 4 of this specification, whether or not they are listed. 2.2 Government documents. 2.2.1 Specifications, standards, and handbooks. The following specifications, standards, and handbooks form a part of this document to the extent specified herein. Unless othe
8、rwise specified, the issues of these documents are those cited in the solicitation or contract. FEDERAL STANDARDS * FED-STD-595/26173 Gray, Semigloss FED-STD-297 Rust proofing of Commercial (Non-tactical) Vehicles COMMERCIAL ITEM DESCRIPTIONS A-A-50696 Reels, Static Discharge Grounding, 50 and 75 fe
9、et Cable Lengths A-A-59248 Meter, Volumetric, Positive Displacement, Liquid, Fuel, 600 GPM A-A-59326 Coupling Half, Quick Disconnect, Cam locking Type INCH-POUND Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-32020B 2DEPARTMENT OF DEFENSE SP
10、ECIFICATIONS MIL-DTL-5624 Turbine Fuel, Aviation, Grades JP-4, JP-5 and JP-5/JP-8 ST MIL-PRF-85285 Coating, Polyurethane, High Solids MIL-DTL-25524 Turbine Fuel, Aviation, Thermally Stable MIL-DTL-83133 Turbine Fuels, Aviation, Kerosene Types, NATO F-34 (JP-8), NATO F- 35, and JP-8+100 (NATO F-37) M
11、IL-DTL-83413 Connectors and Assemblies, Electrical, Aircraft Grounding, General Specifications MIL-A-25896 Adapter, Pressure Fuel Serving, Nominal 2.5 Inch Diameter DEPARTMENT OF DEFENSE STANDARDS MIL-STD-810 Environmental Engineering Considerations and Laboratory Tests MS24484 Adapter, Pressure Fue
12、l Servicing, Nominal 2.5 Inch Diameter (Copies of these documents are available online at https:/assist.daps.dla.mil/quicksearch/ or https:/assist.daps.dla.mil/online . or from the Standardization Document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094.) 2.3 Non-Government
13、publications. The following documents form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract. AMERICAN SOCIETY OF MECHANICAL ENGINEERS (ASME) ASTM F 1347 Manually Operated Fueling Hose Ree
14、ls, Standard Specification for (ASTM standards may be obtained from ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959. Electronic copies of ASTM standards may be obtained from http:/www.astm.org ) AMERICAN PETROLEUM INSTITUTE API-STD-1529 Aviation Fueling Hos
15、e API-RP2003 Protection Against Ignitions Arising out of Static, Lightning, and Stray Currents API-MPMS Chapter 4.5 Master Meter Provers API-MPMS Chapter 4.9 Methods of Calibration for Displacement and Volumetric Tank Providers (Copies are available from the American Petroleum Institute, 1220 L Stre
16、et, NW, Washington DC 20005.) SOCIETY AUTOMOTIVE ENGINEERS (SAE) SAE-AS8090 Equipment, Towed Aerospace Ground, Mobility SAE-AS5877 Nozzle, Pressure Fuel Servicing, Locking, Type D-1, D-2, D-3 (SAE documents may be obtained at http:/www.sae.org/servlets/index or from SAE, Inc., 400 Commonwealth Drive
17、, Warrendale PA 15096.) 2.4 Order of precedence. Unless otherwise noted herein or in the contract, in the event of a conflict between the text of this document and the references cited herein, the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws a
18、nd regulations unless a specific exemption has been obtained. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-32020B 33. REQUIREMENTS 3.1 First article. When specified in the contract or purchase order, a sample shall be subjected to first ar
19、ticle inspection. 3.2 Nozzle. 3.2.1 The nozzle connected to the hose on the hose reel shall meet or exceed the requirements of SAE-AS5877. * 3.3 Hose reel. The hose reel shall meet or exceed the requirements of ASTM F 1347, Type 4 and shall contain minimum 25 feet of 2 1/2 inch of hose that conforms
20、 to API-BULL-1529. 3.4 Meter assembly. The volumetric positive displacement meter assembly shall be in accordance with A-A-59248. The meter shall include an automatic pre-set stop feature that will allow the operator to predetermine an amount of fuel to register and then automatically shut off the f
21、low without causing a shock or hammer to the plumbing. * 3.5 Pressure fuel servicing adapter. The adapter shall connect the meter assembly to the inlet side of trailer flow system. It shall have a 4-inch plug mounted at right angle to the adapter and a dust cap to prevent the entrance of foreign mat
22、ter when the trailer is not in use. * 3.6 Instrumentation. Instrumentation to monitor temperature and pressure through the operating range of the prover shall be provided and must be readable from a distance of 10 feet in average light conditions. * 3.7 Static Grounding Reel. The reel shall be used
23、to provide a contact between the trailer and the vehicle or facility. The assembly shall be in accordance with MIL-DTL-83413. * 3.8 Valves. Valves of the appropriate type shall be used to close off the hose reel delivery system when necessary. * 3.9 Chassis and running gear. Chassis and running gear
24、 shall conform to SAE AS 8090. * 3.10 Parking Brake. Parking brakes shall perform to SAE-AS8090. * 3.11 Weight. The tester shall not exceed 1200 lbs. Gross dry weight. * 3.12 Appearance. The unit and all components shall be painted in a tone down color of gray, semigloss, Federal Standard 595, Color
25、 No. 26173, polyurethane coating MIL-PRF-85285. * 3.13 Workmanship. The tester shall be manufactured meeting or exceeding standard commercial practices for the selection and installation of hardware, corrosion prevention practices and the ease of repair and servicing. * 3.14 Performance. The tester
26、shall be capable of withstanding exposure of the following conditions without adversely affecting the integrity, accuracy, and not cause any leakage. a. Temperature ranges of -40F to +130F. b. Fungus growth as encountered in tropical climates. c. A relative humidity of 95 5% at a temperature of +130
27、F. d. Sand and dust particles as may be encountered in desert areas. e. Atmosphere containing salt-laden moisture. f. Being towed over semi-rough terrain and/or unimproved roads. * 3.15 Interchangeability. All parts having the same manufacturers part number shall be functionally and dimensionally in
28、terchangeable with similar parts with the same part number. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-32020B 44 VERIFICATION 4.1 Classification of inspections. The inspection requirements specified herein are classified as follows: a. F
29、irst article inspection (see para. 4.2) b. Conformance inspection (see para. 4.3) 4.2 First article inspection. First article inspection, when required, shall be performed on one complete prover and shall consist of the following 4.4 examination, 4.5 methods of inspection, and 4.6 performance with a
30、 repeat of 4.6.1 at the completion of tests described by 4.6.3 through 4.6.8. 4.3 Conformance tests. Each prover shall be subjected to the following tests as described under 4.4., 4.5.2 and 4.6.1. * 4.4 Examination. Each prover shall be examined for compliance with the requirements specified in 3.1
31、through 3.15. 4.5 Methods of inspection. 4.5.1 Testing apparatus. Apparatus used in conjunction with the testing specified herein shall be laboratory precision type and shall be calibrated at intervals properly spaced to assure laboratory accuracy. 4.5.2 Fuel. Unless otherwise specified, the fuel us
32、ed during the testing specified shall conform to MIL-DTL-83133 and shall have a specific gravity of not less than 0.750 at 60F. 4.6 Performance. 4.6.1 Hydrostatic test. The prover shall be filled and subjected to a pressure of 225 psi for a period of 10 minutes. All leaks encountered shall be repair
33、ed and the unit retested. No leakage shall be permitted. 4.6.2 Functional flow test. A test specimen meter shall be installed upstream of the prover in a pumping system capable of pumping at a rate of 600 gpm at 100 gpm increments. Each tested flow rate shall last for a period of hour. The pre-set s
34、top will be set at 5000 gal and 10000 gal incrementally at a 600 gpm rate. During this test the meter on the tester shall function in a satisfactory manner with no shock or hammer effect to the plumbing system. 4.6.3 High temperature test. The prover shall be subjected to high temperature in accorda
35、nce with MIL-STD-810, method 501.5, procedure I, steps 1 through 4. Following the 48 hour exposure at 130 F, the prover shall be removed from the chamber and visually examined for deterioration. The prover shall show no deleterious effects from the exposure and shall complete the remainder .of the t
36、ests in a satisfactory manner. 4.6.4 Low Temperature test. The prover shall be subjected to low temperature in accordance with MIL-STD-810, method 502.5, procedure I, steps 1 through 6. Following the period of 24 hours after stabilization at -40 F, the prover shall show no evidence of failure and sh
37、all complete the remaining tests in a satisfactory manner. 4.6.5 Humidity test. The prover shall be subjected to humidity in accordance with MIL-STD-810, method 507.5, procedure I, steps 1 through 7. Following this test, the meter shall be visually examined for deterioration, evidence of swelling se
38、paration of components, and related types of failure. 4.6.6 Salt fog test. The prover shall be exposed to salt fog in accordance with MIL-STD-810, method 509.5, procedure I. During this test, the inlet and outlet of the meter shall be plugged to prevent internal contamination. The meter shall resist
39、 the effects of the test and shall show no evidence of failure or malfunction. 4.6.7 Sand and dust test. The prover shall be exposed to sand and dust in accordance with MIL-STD-810, method 510.5, procedure I, steps 1 through 4. During this test, the inlet and outlet of the meter shall be plugged to
40、prevent internal contamination. Upon completion of the test, it shall be demonstrated that the tester is completely operable. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-32020B 55. PACKAGING 5.1 Packaging. For acquisition purposes, the pa
41、ckaging shall be as specified in the contract or order (see 6.4). When actual packaging of material is to be performed by DoD personnel, these personnel need to contact the responsible packaging activity to ascertain requisite packaging requirements. Packaging requirements are maintained by the Inve
42、ntory Control Points packaging activity within the Military Department, or within the Military Departments System Command. Packaging data retrieval is available from the managing Military Departments or Defense Agencys automated packaging files, CD-ROM products, or by contacting the responsible pack
43、aging activity. 6. NOTES (This section contains information of a general or explanatory nature that may be helpful, but is not mandatory. ) 6.1 Military-Unique Rational. There are commercially available provers (master meters) that can prove fuel meters on fixed and mobile equipment; however, they m
44、ust be able to verify total fuel delivery suitable for single point and auxiliary tank refueling of military aircraft style systems. It must also be capable of performing in the hostile environments of arctic and desert temperatures as well as maintaining its integrity on flightline surfaces as well
45、 as unimproved surfaces of forward operating locations. 6.2 Operator/Maintenance Manual. A detailed manual should be published to include, but is not limited to, master meter operations, operator maintenance, annual calibration requirements of master meter, and an illustrated parts breakdown. 6.3 In
46、tended use. The type prover covered by this specification is intended to prove and verify readings of positive displacement and turbine meters installed in fixed facility refueling system, truck fillstands and mobile refueling equipment. 6.4 Acquisition requirements. Acquisition documents should spe
47、cify the following: a. Title, number and date of this specification. b. Applicable levels of preservation, packaging, and packing required. c. Data specified herein should be submitted in accordance with DD-Form 1423 6.5 Subject term (key word) listing. Flightline Fuel Servicing Totalizer Trailer *
48、6.6 Changes from previous issue. The margins of this specification are marked with asterisks to indicate where changes from the previous issue were made. This was done as a convenience only and the Government assumes no liability whatsoever for any inaccuracies in these notations. Bidders and contra
49、ctors are cautioned to evaluate the requirements of this document based on the entire content irrespective of the marginal notations and relationship to the last previous issue. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-32020B 6Custodians: Preparing Activity: Air Force 84 Air Force 84 Reviewers: Agent: Air Force 99 Air Force 99 DLA
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