SAE ARP 745A:2002 pdf download General Components Specification for Explosive Actuated Valves One Cycle
1. SCOPE: The purpose of this recommended practice is to establish a general form which may be used as a guide in the preparation of detail specifications. This recommended practice shall not be used for procurement or be referred to in the detail specification. 2. APPLICABLE SPECIFICATIONS, OTHER PUBLICATIONS AND DRAWINGS:
2.1 The following specifications, standards, drawings, and publications of the issue in effect on date of invitation for bids shall form a part of this recommended practice to the extent specified herein. When the requirements of the below listed specifications conflict with the requirements of this document, the requirements of this document shall govern.
2.2 Military Specifications:
MIL-B-121 Barrier Material Grease Proofed, Flexible (Water Proofed)
MIL-D-70327 Drawings, Engineering and Associated Lists
MIL-E-5272 Environmental Testing, Aeronautical and Associated Equipment
MIL-P-5514 Packings, Installation and Gland Design, Hydraulic and Pneumatic
MIL-G-5572 Gasoline, Aviation; Grades 80/87, 91/96, 100/130, 115/145
MIL-N-6011 Nitrogen, Liquid and Gas
MIL-P-7105 Pipe Threads, Taper, Aeronautical
MIL-S-7742 Screw Threads, Standard Aeronautical
MIL-A-8625 Anodic Coatings; for Aluminum and Aluminum Alloys
MIL-C-9435 Chamber, Explosion Proof Testing
MIL-N-25027 Nut, Self-locking, 250 F, 550 F and 800 F
2.3 Military Standards:
MIL-STD-105 Sampling Procedures and Tables for Inspection by Attributes
MIL-STD-129 Marking of Shipments
MIL-STD-130 Identification Marking of U. S. Military Property
MIL-STD-143 Specifications and Standards, Order of Precedence for the Selection of
MS 20995 Wire, Lock
MS 33586 Metals, Definition of Dissimilar
MS 33588 Nuts and Plate Nuts, Self Locking, Functional Limitations of
2.4 Air Force – Navy Aeronautical Bulletin:
No. 438 Age Controls for Synthetic Rubber Parts
2.5 Other SAE Reference Publications:
AS 478 Identification Marking Methods
AS 567 General Practices for Use of Lock Wire, Key Washers, and Cotter Pins
3. REQUIREMENTS:
3.1 General: The explosive actuated valve shall be actuated (open or closed) through electrical energization of the squib contained therein. The squib is an electrically activated device for rapidly producing high pressure gas by igniting gas producing chemicals through the heating or explosive vaporization of small wire resistance elements (bridgewires). Samples of the valve, designed in accordance with the detail specification, shall pass the qualification tests specified therein, and all valves shall pass the acceptance tests to the extent specified therein.
3.1.2 Configuration: Various flow configurations of the types and classes listed in paragraph 3.1.1 are illustrated in Appendix A. The general configurations illustrated are not intended as design limitations. They illustrate many of the configurations presently employed and are shown as a guide to the design versatility of explosive actuated valves.
3.2 Materials: Materials and processes used in the manufacture of explosive actuated valves shall be of high quality, suitable for the purpose, and shall conform to applicable government specifications. Materials conforming to supplier specifications may be used provided the specifications are acceptable to the purchaser. The use of supplier specifications will not constitute waiver of purchase inspection. All materials used in the valve shall be compatible with the contacting fluid, and/or explosive chemical, to the extent specified therein.
SAE ARP 745A:2002 pdf download
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