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1、INTERNATIONAL STANDARD INTERNATIONAL ORGANIZATION FOR STANDARDIZATION .MEX*I Locking flange :e plane - 3 ul X - NOTE - The 3 slots are identical Detail X 1. Detail of valve seat FIGURE 3 - Dimensions and connection detail Copyright International Organization for Standardization Provided by IHS under
2、 license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/22/2007 21:36:08 MDTNo reproduction or networking permitted without license from IHS -,-,- IS0 485-1973 (E) Dimension a min. max. b- min. C max. d- min. mm in 38.1 1 l/2 41.33 1.627 41,25 1.624 54,80 2.156 69,81 2.74
3、9 69.72 2.745 01) min. f max. g- min. max. h- min; I Dimension I mm I in I i max. 7.21 0.284 min. 7.13 ) 0.281 I I I I I max. 48.36 1.904 m min. 48.26 1 1.900 n 15,9 518 02) 11,l 7116 P2 12.7 l/2 93 max. 11,28 0.445 min. 11.18 0.440 Dimension mm in I- 0.8 1 I32 r7 12 3164 r2 133 l/16 I I I 3 2.0 516
4、4 4 95 0.375 s 3.2 1 I8 0 0 t 27.8 1 -0.1 3/32 -0.005 0 11.9 15132 I) Valve travel. 2) Centres. 3) Diameter of cutter. Tolerances, unless otherwise stated : dimensional tolerance = 2 0.1 mm (+ 0.005 in) angular tolerance = +o” 15 . NOTES Configuration of the valve behind this face is optional. The v
5、alve shall be spring loaded. Loading at 23.93 mm (0.942 in) travel shall not exceed 98 N (22 Ibf) and loading in the valve shut position shall be 40 to 49 N (9 to 11 Ibf). Diameter q represents the diameter of the cutter which is required to traverse a minimum distancep in order to accomodate the ro
6、llers for dogs) of the ground half coupling. 7 Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/22/2007 21:36:08 MDTNo reproduction or networking permitted without license from IHS -,-,-
7、IS0 485-1973 (El Dimensions in millimetres (inches) Limit of permanent structure This diameter and associated firm outline represent the clearance envelope of the hose unit assembly and show the minimum clearance recommended for satisfactory operation. Section A-A Mating face with aircraft unit Sect
8、ion of selective pin View in direction of arrow X showing hose unit mating face FIGURE 4 - Space envelope and connection detail Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/22/2007 21
9、:36:08 MDTNo reproduction or networking permitted without license from IHS -,-,- IS0 485-1973 (E) l?l) max. 23.93 min. 22,71 a + 0,563) + 0.022 - 0,41 w 4.8 x 1.6 Y 2.4 1) Hose unit valve travel (obtained by movement of mechanism within the hose unit). 2) Top of valve to locking flange reference pla
10、ne, when hose unit valve is closed. 3) Face of valve in closed position may be between 0,56 mm (0.022 in) above and 0,41 mm (0.016 in) below the locking flange reference plane Tolerances, unless otherwise stated : dimensional tolerance = f 0.1 mm (+ 0.005 in), angular tolerance = I?z 0” 15 . 9 Copyr
11、ight International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/22/2007 21:36:08 MDTNo reproduction or networking permitted without license from IHS -,-,- Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/22/2007 21:36:08 MDTNo reproduction or networking permitted without license from IHS -,-,-
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