NAVY MIL-V-29592-1993 VALVE AIR VENT AUTOMATIC HYDRAULIC LOW PRESSURE TYPE II SYSTEMS GENERAL SPECIFICATION FOR《低压II型系统液压自动通气阀一般规范》.pdf

1、MIL-V-29592 m 999990b Lb36742 b4 m I INCH-POUND I MIL-V-29592(AS) 4 JANUARY 1993 MILITARY SPECIFICATION VALVE, AIR VENT, AUTOMATIC, HYDRAULIC, LOW PRESSURE TYPE II SYSTEMS, GENERAL SPECIFICATION FOR This specification is approved for use by the Naval Air Systems Command, Department of the Navy, and

2、is available for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers automatic hydraulic air vent valves for use in Type II aircraft hydraulic systems with system pressurized reser- voi rs. 1.2 Classification. Automatic, hydraulic air vent

3、valves shall be furnished in the classes as listed below: C1 ass Actuation Method I Mechanical by hydraulic reservoir pressure II Electrical by the presence of air 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications and standards. The following specifications and standards form a

4、part of this document to the extent specified herein. otherwise specified, the issues of these documents are those listed in the issue of the Department of Defense Index of Specifications and Standards (DODISS) and supplement thereto, cited in the solicitation (see 6.2). Unless Beneficial comments (

5、recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Commanding Officer, Naval Air Warfare Center Aircraft Di- vision Lakehurst, Systems Requirements Department, Code SR3, Lakehurst, NJ 08733-5100, by using the self-addr

6、essed Standardization Document Im- provement Proposal (OD Form 1426) appearing at the end of this document or by letter. AMSC N/A FSC 1650 Distribution Statement A. Approved for public release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without li

7、cense from IHS-,-,-MIL-V-29592 = 0b Lb36743 7T 4 SPECIFICATIONS FEDERAL PPP-8-566 PPP-B-601 PPP-B-636 PPP-B-676 QQ-P-35 MILITARY MIL-P-116 MIL-H-5440 MI L-C-5501 MIL-H-5606 MIL-H-6083 MI L-A-8625 MI L-H-8775 MI L-S-8879 MIL-T-31000 MIL-H-46170 MIL-F-81836 MI L-H-83282 Boxes, Fol di ng , Paperboard B

8、oxes, Wood, Cleated Plywood Boxes, Shipping, Fiberboard Boxes, Setup Passivation Treatments for Corrosion Resistant Steel Preservation, Hydrau 1 i c Sys and Installat Cap and Plugs Hydraul i c F1 u and Ordnance Methods of ems, Aircraft, Types I and II, Design on Requirements For Protective, Dust and

9、 Moisture Seal d, Petroleum Base, Aircraft, Missile Hydraulic Fluid, Petroleum Base, For Preservation and Operation Anodic Coatings, For Aluminum and Aluminum Alloys Hydraulic System Components, Aircraft and Missiles, General Specification for Screw Threads, Control 1 ed Radi us Root With Increased

10、Minor Diameter, General Specification for Technical Data Packages, General Specification For Hydraulic Fluid, Rust Inhibited, Fire Resistant, Synthetic Hydrocarbon Base Fil ter and Disposable Element, Fluid Pressure, Hydraul i c, 3 Micron Absol ute Hydraulic Fluid, Fire Resistant, Synthetic Hydrocar

11、bon Base, Aircraft, Metric, NATO Code No. H-537 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-V-29592 m 9999906 3636744 637 m MIL-V-29592(AS) STANDARDS MILITARY MI L-STD- 105 Sampling Procedures and Tables for Inspection By Attributes . MIL-S

12、TD-129 Marking for Shipment and Storage MI L-STD- 1 30 Identification Marking of U.S. Military Property MI L-STD-8 1 O Environmental Test Methods and Engineering Guidelines MI L-STD-889 Di ssimi lar Metals MI L-STD-207 3-1 DoD Materiel Procedures for Development and Application of Packaging Requirem

13、ents (Unless otherwise indicated, copies of federal and military specifications and standards are available from the Standardization Documents Order Desk, Building 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094.). 2.2 Non-Government publications. The following document forms a part of this docu

14、ment 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 the issues of the documents cited

15、 in the sol i ci tation (see 6.2). a SOCIETY OF AUTOMOTIVE ENGINEERS ARP 1383 Impulse Testing of Hydraulic Actuators, Valves, Pressure Containers and Similar Fluid System Components (Application for copies should be addressed to the Society of Automotive Engineers, 400 Commonwealth Drive, Warrendale

16、, PA 15096.) (Non-Government standards and other pub1 i cations are normally avai 1 able from These documents al so the organizations that prepare or distribute the documents. may be available in or through libraries or other informational services.) 2.3 Order of precedence. In the event of a confli

17、ct between the text of this document and the references cited herein (except for related associated detail specifications, specification sheets, or MS standards), the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specif

18、ic exemption has been obtained. 3. REQUIREMENTS 3.1 First article. When specified (see 6.21, a sample shall be subjected to first article inspection (see 6.4) in accordance with 4.4. 3.2 General specification. The requirements of MIL-H-8775 apply as requirements of this specification. Provided by IH

19、SNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-V-29592 b Lb36745 573 3.3 Materials. Mater,als shall be as specified herein and in referenced specifications and standards. adversely affect performance of the fini shed product. Materials shall be free of defect

20、s which 3.3.1 Compatibility. The automatic air vent valve shall be constructed of materials that will not adversely affect or be affected by hydraulic fluid conforming to MIL-H-83282 and MIL-H-46170. 3.3.2 Metals. Metals shall be of a corrosion resistant type or shall be treated to resist corrosion

21、when exposed to climat c and environmental con- ditions encountered during the service life of the equipment. The use of any protective coating that will crack, chip, or scale with age or extremes of climate and environmental conditions shall be avoided. ment shall be anodized in accordance with MIL

22、-A-8625. 3.3.3 Aluminum alloy parts. Aluminum alloy parts exposed to the environ- 3.3.4 Steel parts. Steel parts shall have a minimum chrome content of 12 Corrosion resistant steel parts shall be passi- percent to prevent corrosion. vated in accordance with QQ-P-35. 3.3.5 Fungus-proof materials. Mat

23、erials which are not nutrients for funaus shall be used to the qreatest extent. In cases where materials that are-nutrients for fungus musi be used, such materials shall be treated with a fungicidal agent as approved by the procuring activity. parts and hydraulic tubing as specified in MIL-H-5440 sh

24、all be compatible as spec i fi ed i n MIL-STD-889. 3.3.6 Dissimilar metals. Combinations of all automatic air vent valve 3.4 Design. Automatic air vent valves specified under this specification shall be capable of releasing undissolved air from hydraulic system while at the same time preventing oil

25、from leaking out of the system. The valve shall be capable of operating with the air vent valve outlet in the range of positions from vertical to 80 degrees from the vertical position in any direction. Venting of air may be continuous upon system pressurization or intermittent based upon system pres

26、surization and depressurization. operating requirements and pressure levels shall be as listed in the applicable military specification sheet. Detailed min any MIL 3.4.1 Joints. The automatic air vent valve design shall incorporate the mum number of external joints. Consideration shall be given to b

27、onding valve housing joints by permanent methods. Screw threads shall conform to S-8879. 3.4.2 Lockwire. Lockwire holes shall be provided as specified in the mi 1 i tary specification sheet. Al 1 threaded screws and joints shall be locked as specified in MIL-H-8775. 3.4.3 Temperature. The automatic

28、air vent valve shall be capable of operating at temperatures from -40“ to 275F as specified inthe applicable mi 1 i tary specification sheet. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-V-29592 W 9999906 3636746 40T W 3.4.4 Maximum oil leak

29、aqe. The maximum oil leakage allowed from the automatic air vent valve outlet in any condition of failure of the internal mechanism shall not be greater than 1500 mi per hour. This maximum oil leakage rate shall be calculated by the manufacturer using an oil temperature of 240F and the maximum reser

30、voir pressure as specified on the applicable military specification sheet. The detailed calculations with any assumptions shall be submitted with the first article test report as evidence of conformance. The oil leakage may also be measured by actual test using the same conditions as required for th

31、e calculation method. A description of the failure mode and method of generating the failure shall be included in the test report. a 3.5 Performance. The automatic air vent valves shall pass the tests specified in 4.4. 3.6 Interchangeability. All parts having the same manufacturers part number shall

32、 be directly and completely interchangeable with each other with respect to installation and performance. numbers shall be governed by the drawing number requirements as specified in MIL-T-31000. The manufacturers part number and drawing number shall be the same. Changes in manufacturers part 3.7 Id

33、entification of product. Each automatic air vent valve shall be clearly and permanently identified by steel stamping or by a permanently attached nameplate conforming to MIL-STD-130. be provided: The fol lowing information shall Valve, Air Vent, Mechanical (For Class I pressure actuated) or Valve, A

34、ir Vent, Electrical (For Class II air actuated types) M29592/YY-ZZ (Insert slash sheet number and dash size) Manufacturers Number Manufacturers S/N Manufacturers Name O 3.8 Workmanship. Workmanship shall be of such quality as to assure that automatic air vent valves furnished under this specificatio

35、n are free of defects that compromise, limit, or reduce performance or intended use. The automatic air vent valves shall be neat and free of burrs, rust, scratches, chips and sharp edges. Where dimensions and tolerances may affect inter- changeabi 1 i ty, they shall be 1 imi ted accordingly. 4. QUAL

36、ITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection. Unless otherwise specified in the contract or purchase order, the contractor is responsible for the performance of all inspection requirements (examinations and tests) as specified herein. Except as otherwise specified in the contract or pu

37、rchase order, the con- tractor may use his own or any other facilities suitable for the performance of the inspection requirements specified herein, unless disapproved by the Government. The Government reserves the right to perform any of the inspections set forth in this specification where such in

38、spections are deemed necessary to ensure suppl ies and services conform to prescribed requirements. ments of sections 3 and 5. 4.1.1 Responsi bi 1 i ty for compl iance. Al 1 i tems shall meet al 1 require- The inspection set forth in this specification 5 Provided by IHSNot for ResaleNo reproduction

39、or networking permitted without license from IHS-,-,-MIL-V-29592 shall become a part of the - m 999990b Lb3b747 346 m MIL-V-Z9592(AS) mtractors overall inspection system or qu 1 i ty program. The absence of any inspection requirements in the specification shall not re1 ieve the contractor of the res

40、ponsibi 1 i ty of ensuring that al 1 products or supplies submitted to the Government for acceptance comply with all requirements of the contract. Sampling inspection, as part of manufacturing operations, is an acceptable practice to ascertain conformance to requirements, however, this does not auth

41、orize submission of known defective material, either indicated or actua nor does it commit the Government to accept defective material. 4.2 Classification of inspections. The inspection requirements specif herein are classified as follows: I ed a. First article inspection (see 4.4). b. Quality confo

42、rmance inspection (see 4.5). 4.3 General. The quality assurance provisions shall be in accordance with 4.4 First article inspection. When a first article is required (see 3.1, MIL-t-8775, and as specified herein. 6.2 and 6.31, it shall be examined as specified in 4.7.1 and tested for per- formance a

43、s specified in 4.7.2 through 4.7.13. 4.4.1 Test samples. For first article inspection, two test specimens shall be selected for testing. The first sample shall be subjected to all tests and the second sample held as a back-up to confirm any failures that may occur. The test specimens shall not have

44、been subjected to any testing prior to submittal, except for the individual inspections (see 4.5.1). The speci- mens shall be assembled of parts which conform to manufacturers drawings and have nominal tolerances typical in a production lot. specified in Table I conducted in the order as specified.

45、shall consi st of the fol lowing: 4.4.2 Tests. The first article tests shall consist of the tests 4.5 Quality conformance inspections. Quality conformance inspections a. b. 4.5 the fol a. b. C. d. Individual inspection (see 4.5.1) Sampling tests (see 4.5.2) 1 Individual inspections. The individual i

46、nspection shall cons owi ng : Examination of product (see 4.7.1) Proof pressure (see 4.7.3) Functional (see 4.7.4) Reverse air flow (see 4.7.6) st of 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-I I 8 9 10 11 12 13 MIL-V-29592 m 9999906 L63b748

47、282 = a. Low temperature performance b. High temperature performance 4.7.7.2 Oi 1 expul sion 4.7.8 Endurance 4.7.9 Pressure surge 4.7.10 Vi bration 4.7.11 Housing torque 4.7.12 Burst 4.7.13 4.5.2 Sampling tests. Samples shall be selected from each inspection lot (see 4.5.2.1) in accordance with MIL-

48、STD-105 using special inspection level S-1 with no rejects allowed. The sample automatic air vent valve shall be unpacked and the inspections specified in 4.5.1, the rapid rate of pressure rise test (4.7.5), and the oil expulsion test (4.7.8) shall be conducted. a TABLE I. First article tests 4.5.2.

49、1 Inspection lot. For purposes of qual i ty conformance inspection, a lot shall be defined as all units of product manufactured under essentially the same conditions and offered for acceptance at one time. 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-V-29592 9999906 Lb36749 119 4.5.3 Failure of sampling test. When an automatic air vent valve fails to pass a sampling t