1、A-A-50605 = 7999974 0355403 3b7 10 August 1993 COMMERCIAL ITEM DESCRIPTION EXPANSION JOINT, TFE FLUOROCARBON RESIN, CORRUGATED WITH DUCTILE IRON FLANGES The General Services Administration has authorized the use of this commercial item description as a replacement for MIL-E-15330 which is canceled i
2、n part. 1. Abstract. This description covers TFE fluorocarbon resin expansion joints having ductile iron flanges identified as class C in MIL-E-15330. joint shall be defined by size as indicated below. Each expansion Size decimation Inside diameter linches nominal) A 1 - 1/2 B 2 C 3 D 4 E 6 F 8 G 10
3、 Face to face linches +1/16) 1-3/8 1-9/16 2 - 1/4 2 - 5/a 2 - 3/4 4 5 - 1/4 2. Salient characteristics. 2.1 Confinuration. The expansion joint shall consist of a molded TFE bellows, two ductile iron flanges, and not less than 3 limit bolts and monel reinforcing rings. figure 1. The general configura
4、tion of the expansion joint shall be as specified on Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Commander, Naval Sea Systems Command, SEA 03442, 2531 Jefferson Davis Hwy, rlington, VA 22242
5、-5160 by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by I letter. 0 AMSC N/A FSC 4730 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited Provided by IHSNot for ResaleNo reproduction or ne
6、tworking permitted without license from IHS-,-,-A-A-50605 = 9999974 0155404 2T3 A-A- 50605 2.2 Workmanship. The TFE fluorocarbon resin molding shall be free of blow holes, molding flash, cracks, and linear indications that may impede the satisfactory function of the expansion joint. The ductile iron
7、 flanges shall be free of sharp edges. 3. Oualitv assurance provisions. 3.1 Test pressure. All expansion joints shall be proof tested to 300 pounds per square inch (psi). 3.2 Tensile strength. The TFE fluorocarbon resin shall have a tensile strength of not less than 2300 psi when tested in accordanc
8、e with ASTM D 638 with samples prepared in accordance with ASTM D 1708. 3.3 Marking. The ductile flanges shall be stamped with the following identifica- tion data: (a) This specification number. (b) Manufacturers name or logo. (c) Contract number and date. (d) Expansion joint size. 4. Contractor cer
9、tification. The contractor shall certify and maintain substan- tiating evidence that the product offered meets the salient characteristics of this Commercial Item Description, and that the product conforms to the producers own drawings, specifications, standards, and quality assurance practices. The
10、 government reserves the right to require proof of such conformance prior to first delivery and thereafter as may be otherwise provided for under the provisions of the contract. 5. Reaulatorv requirements. The offeror/contractor is encouraged to use recovered materials in accordance with Public Law
11、94-580 to the maximum extent practicable. 6. Preservation, packaging. Dacking, labelinn. and marking. The preservation, packaging, packing, labeling, and marking shall be as specified in the contract or order. 7. Notes. ASTM D 638 (Standard Test Method for Tensile Properties of Plastics) and ASTM D
12、1708 (Standard Test Method for Tensile Properties of Plastics by Use of Microtensile Specimens) are available from the American Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103. These documents also may be available in or through libraries or other informational services.
13、Preparing activity: Navy - SH (Project 4730-N098) 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-50605 m 9999974 0355405 33T 9 A-A- 50605 UMIT U.1 FIGURE 1. Molded TFE expansion joint 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
