1、MIL-E-24127 44 W 9999906 0214421 3 m, MIL-E-2412?(SHIPS) 19 February 1965 MILITARY SPECIFICATION EDUCTORS, GASOLINE, OIL, OR WATER 1. SCOPE 1.1 =.- This specification covers eductors for gasoline, oil, or water service on board Naval ships. 1.2 Classification.- Eductors shall be of the following typ
2、es as specified (see 6.1): Type.A - Stationary. Type B - Portable. 2. APPLICABLE DOCUMENTS 2.1 The following documents of the issue in effect on date of invitation for bids or request for proposal, form a part of this specification to the extent specified herein. SPECIFICATIONS FEDERAL i&-N-288 - Ni
3、ckel-Copper AUoy and Nickel-Copper-Silicon Alloy Castings. MILVARY MIL-P-116 - Preservation, Methods Of. MIL-D-963 - Drawings, Electrical, Hull and Mechanical Equipment for Naval Shipboard Use. MIL-F-1183 - Fittings, Tube, Cast Bronze, Silver-Brazing. MIL-A-8625 - Anodic Coatings, for Aluminum and A
4、luminum Alloys. MIL-85059 - Steel, Corrosion-Resistant (18-8), Plate Sheet and Strip. MIL-P- 15024 - Plates, Identification, information and Marking for Identification of Electrical, MIL-C-15726 - Copper-Nickel AlloyRod, and Flat Products (Flat Wire, Strip, Sheet, Bar, and MIL-B-16541 - Bronze, Valv
5、e, Castings. I MIL-F-19488 - Fittings, Hose, Water, and Steam (Other than Flexible, Metallic). MILLF-20042 - Flanges, Pipe, Bronze (Silver Brazing). Electronic and Mechanical Equipment. Plate). . STANDARDS MILITARY MIL-STD-105 - Sampling Procedures and Tables for Inspection by Attributes. MIL-STD-12
6、9 - Marking for Shipment and Storage. DRAWINGS BUREAU OF SHIPS ,5000-54823-2501 1 Eductor, portable aluminum peripheral jet. (Copies of specifications, standards, drawings, and publications required by suppliers in connection with specific procurement functions should be obtained from the procuring
7、activity or a8 directed by the contract- ing officer.) 2.2 Other publications.- The following documents form a part of this specification to the extent speci- fied herein. Unless otherwise indicated, the issue in effect on date of invitation for bids or request for pro- posal shall apply. NATIONAL B
8、UREAU OF STANDARDS Handbook H28 - Screw-Thread Standards for Federal Services. pE7i-j 7 f THIS DOCUMENT CONTAINS PAGES. - - I/-, Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-E-24127 44 W 9799906 0234422 5 i MIL-E-24127(SHIPS) (Application for
9、copies should be addressed to the Superintendent of Documents, Government Printing Office, Washington, D. C. 20401.) OFFICIAL CLASSIFICATION COMMITTEE Uniform Freight Classification Rules. (Application for copies should be addressed to the Official Classification Committee, 1 Park Avenue at 33rd Str
10、eet, New York 16, N. Y.) 3. REQUIREMENTS 3.1 Component parts.- The eductor shall consist of a body (suction chamber), discharge tail (diffuser) with separate or integral throat, internal removable pressure nozzle, and pressure, suction and discharge connections. 3.2 The eductors shall be of a nonclo
11、gging design, effecting as near as practicable a smooth streamline design of the passage from the suction through to discharge. Projection of the throat into the mixing chamber, with consequent dead spaces and eddies where solids may accumulate, shall be avoided. 3.3 The design of the nozzle tip and
12、 the throat of the tail or discharge shall be such that the flow of fluid at the specified capacity will not produce excessive erosion of the parts under service operating conditions as specified in the contract or order. ment, without removing the eductor from the service line in which it is instal
13、led, (actuating medium line excepted). 3.4 The eductor design shall be such as to permit easyaccess to the nozzle for inspection and replace- 3.5 When specified (see 6.1) the eductor shall be provided with a foot (check) valve and strainer on the 3.5.1 The strainer shall be either of a flat plate or
14、 cylindrical design as specified (see 6.1). 3.5.2 Cylindrical strainers shall have approximately the same length as the diameter and shall be either suction connection. of cast or fabricated construction. The diameter of the strainer holes shall be not less than 1/8 inch nor more than 1/2 the diamet
15、er of the base of the diffuser throat. The total area of the holes shall be not less than four times the area of the suction inlet. 3.5.3 Flat plate strainers shall be designed to withstand a test of 20 pounds per square inch (p.s.i.) dif- ferential pressure, without showing any signs of permanent d
16、istortion as checked by use of a straight edge, or other convenient method. The total free area of the strainer holes shall be as specified in3.5.2. 3.6 End connections (type, sizes and so forth) shall be as specified (see 6.1) and as follows: (a) Pipe thread connections or threaded parts shall conf
17、orm to the requirements of Handbook H28. (b) Hose fittings shall conform to the requirements of MIL-F-19488. (c) Union ends shall be threaded and machined as the thread piece, and shall be furnished with ring (d) Flanges shall be in accordance with MIL-F-20042. and tail piece assembled in place, in
18、accordance with MIL-F-1183. 3.7 Marking for ident2ication.- Each eductor shall have the following data stamped or cast on the body, or contained on,a permanently attached nameplate: (a) Manufacturers name. (b) Manufacturers serial number, model number and size. (c) Suction lift in feet of water and
19、suction capacity. (d) Discharge head. (e) Driving fluid pressure in p.8.i. and volume (galions per minute (g.p.m.). (I) Federal standard stock number of the assembly. (g) Federal standard stock number or part number of the nozzle or nozzle tip. 3.7.1 Nameplates, if provided, shall be in accordance w
20、ith types A, B or C of MIL-P-15024. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-L . MIL-E-24127 44 7777706 0214423 .7 m c 3.8 Type A.- 3.8.1 Material for type A eductors, except the pressure nozzle, shall be bronze in accordance with MIL- B-165
21、41. Strainers and foot valves shall be of the same material as the eductor. The nozzle may be made in one piece, or may have a threaded removable tip. The inner surface of the tip shall form a smooth continu- ous surface with the inner surface of the nozzle. The one-piece nozzle, or the nozzle with
22、tip shall be made of nickel-copper-silicon alloy conforming to the requirements of QQ-N-288. 3.8.2 Each eductor shall be provided with lugs or a bracket cast integrally with the body for bolting the eductor to the ships structure. 3.8.3 Unless otherwise specified in the contract or order, 2 inch con
23、nections and smaller shall be union en& and connections 2-1/2 inches and larger shall be flanged. 3.9 Type B.- 3.9.1 Unless otherwise specified in the contract or order, type B eductors shall be in accordance with Drawing 5000-54823-2501, Where bronze is specified for the eductor, materials of the e
24、ductor, strainer and foot valve shall be the same as for type A eductors (see 3.8). 3.9.2 Foot valves for aluminum eductors shall be of copper-nickel or corrosion-resistant steel in ac- cordance with MIL-C-15726 and MIL-S-5059, respectively. Strainers may be of similar material as fur- nished for th
25、e foot valve, or of good commercial quality sheet steel, zinc coated after fabrication. 3.9.3 Aluminum parts shall be anodized in accordance with MIL-A-8625 after machining and before as- sembly. 3.10 Onboard repair parts.- Onboard repair parts shall consist of one spare nozzle (or nozzle tip, if re
26、movable) for each eductor furnished, and one set of gaskets. 3.11 Drawings.- Drawings shall be class A in accordance with MIL-D-963. 3.12 Workmanship.- Eductors shall be free of porosity or other casting defects. Threads shali be smooth, properly formed and free of burrs, nicks and tears. 4. QUALITY
27、 ASSURANCE PROVISIONS 4.1 Responsibility for inspection.- Unlss otherwise specified in the contract or purchase order, the supplier is responsible for the performance of all inspection requiremenb as specified herein. Except a8 otherwise Specified, the supplier may utilize his own facilities or any
28、commercial laboratory acceptable to the Government. The Government reserves the right to perform any of the inspections set forth in the speci- fication where such inspections are deemed necessary to assure supplies and services conform to prescribed requirements. 4.2 Quality conformance inspection.
29、- - 4.2.1 Lot.- All eductors of the same type and size offered for delivery at one time shall be considered a lot for purses of quality conformance inspection. 4.2.2 Sampling for examination.- A random sample of eductors shall be selected from each lot in ac- cordance with MIL-STD-105 at inspection
30、level LI for the examination of 4.2.4. The Acceptable Quality Level (AQL) shall be 2.5 percent defective. 4.2.3 Sampling for hydrostatic test.- A random sample of eductors shall be selected from each lot at inspection level II in accordance with MIL-STD-105 for the test of 4.2.5. if the number of de
31、fective eductors in any sample exceeds the acceptance number specified in MIL-STD-105 for the sample, the entire lot shall be tested, and ali eductors failing the test shall not be offered for delivery. 4.2.4 Examination. - 4.2.4.1 An examination shall be made of the sample eductors selected in acco
32、rdance with 4.2.2 to verify conformance with the requirements of this specification not involving tests . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-E-24127 4i.1 7999906 0214i.12i.1 9 W MIL-E-24127(SHIPS) 4.2.4.2 A dimensional examination sh
33、all be made on the sample eductors selected in accordance with 4.2.2 to verify conformance with the approved drawings. 4.2.5 Hydrostatic test.- Fach of the sample eductors selected in accordance with 4.2.3, including the foot valve, when applicable, shall be hydrostatically tested at 150 percent of
34、the driving fluid pressure for porosity and strength of casting. The pressure shall be applied for a period of 5 minutes during which time there shall be no leaking or sweating through the joints or casting. A slight leakage around the foot valve seat will be acceptable. 5. PREPARATION FOR DELIVERY
35、5.1 Domestic shipment and early equipment installation and for storage of onboard repair parts.- 5.1.1 Eductors.- 5.1.1.1 Preservation and packaging.- Preservation and packaging shall be sufficient to afford adequate protection against corrosion, deterioration and physical damage during shipment fro
36、m the supply source to the using activity and until early installation and may conform to the suppliers commercial practice when such meets these requirements. carrier at the lowest rate and will afford protection against physical or mechanical damage during direct shipment from the supply source to
37、 the using activity for early installation. The shipping containers or method of packing shall conform to the Uniform Freight Classification Rules and Regulations or other carrier regulations as applicable to the mode of transportation and may conform to the suppliers commercial prac- tice when such
38、 meets these requirements. 5.1.1.2 Packing.- Packing shall be accomplished in a manner which will insure acceptance by common . 5.1.1.3 Marking.- Shipment marking information shall be provided on interior packages and exterior shipping containers in accordance with the suppliers commercial practice.
39、 The information shall include nomenclature, Federal stock number or manufacturers part number, contract or order number, suppliers name and destination. 5.1.2 Onboard repair parts.- 5.1.2.1 Packaging.- The gaskets shall be packaged in accordance with method IC of MIL-P-116. The nozzle shall be pack
40、aged in accordance with method III of MIL-P-116. 5.1.2.2 Packing.- The repair parts shall be packed in accordance with 5.1.1.2. 5.1.2.3 Marking.- Onboard repair parts shall be marked in accordance with MIL-STD-129. 5.2 Domestic shipment and storage or overseas shipment.- The requirements, and levels
41、 of packaging, packing and marking for shipment shall be specified by the procuring activity (see 6.1). overseas shipment, which may be required when procurement is made.) 5.2.1 (The following provides various levels for protection during domestic shipment and storage or 5.2.1.1 Packwing.- 5.2.1.1.1
42、 Level A.- 5.2.1.1.1.1 Eductors shall be individually packaged in accordance with method III of MIL-P-116. 5.2.1.2 Packing.- 5.2.1.2.1 Level A.- 5.2.1.2.1.1 Eductors shall be packed in boxes conforming to any of the following specifications at the option of the supplier: PPP-B-636 - Type CF or SF, w
43、eather resistant class. PPP-B-591 - Class II. 4 o Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-5.2.1.2.2 Level B.- 5.2.1.2.2.1 Eductors shall be packed separately in boxes conforming to any of the following specifications at the option of the supp
44、lier: PPP-B-636 - Type CF or SF, domestic class. PPP-B-591 - Class I. 5.2.1.2.3 Level A or B.- 5.2.1.2.3.1 Cushioning, anchoring, blocking and bracing shall be in accordance with MIL-STD-1186. Box closure and stripping shall be in accordance with the applicable box specification or appendix thereto.
45、 rior packagesterior shipping containers shall be marked in accordance with MIL-STD-129. specified, in accordance with MIL-D-963. 5.2.1.3 Marking.- In addition to any special marking required by the contract or order, or herein, inte- 5.2.1.4 Drawings,- Drawings (see 3.11) shall be packaged, packed
46、and marked for the level of shipment 6. NOTES 6.1 Ordering data.- Procurement documents should specify the following: (a) Title, number, and date of this specification. (b) Type required (see 1.2). (c) When foot valve and strainer are required (see 3.5). (d) Whether cylindrical or flat plate straine
47、r is required (see 3.5.1). (e) Types, sizes and pertinent detaiis of end connections (see 3.6). (f) Eductor size (determined as being the same. as the size of the discharge connection). (g) Operating requirements: (1) Fluid or mixture to be handled. (2) Driving fluid and driving fluid pressure. (3)
48、Rated suction lift (self priming). (4) Rated discharge head. (5) Rated suction capacity. (6) Maximum permissible consumption of driving fluid. (h) Packaging, packing and marking requirements if other than those required by 5.1 (see 5.2). 6.2 Bid data.- 6.2.1 Drawings showing overall dimensions, material, performance data, and weight are to accomgany bids. Preparing activity: Navy- SH (Project 4420-N081SH) - . L -6. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
