GB/T 36258-2018 PDF English
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GB/T 36258-2018: Grounds-service connections of aircraft potable water, toilet-flush water and toilet drain
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Grounds-service connections of aircraft potable water, toilet-flush water and toilet drain ICS 49.080 V39 National Standards of People's Republic of China Ground joint for aircraft drinking water, toilet water and drainage (ISO 17775.2006, Aircraft-Grounds-serviceconnections- Published on.2018-06-07 2019-01-01 implementation State Market Supervisory Administration China National Standardization Administration issued
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard uses the translation method equivalent to ISO 17775.2006 "aircraft ground service to connect drinking water, toilet flushing water and toilet Excreted. The documents of our country that have a consistent correspondence with the international documents referenced in this standard are as follows. ---GB/T 131-2006 Product Geometry Technical Specification (GPS) Representation of surface structure in technical product documentation (ISO 1302.2002, IDT) ---GB/T 1182-2008 Product Geometry Specification (GPS) Geometric Tolerance Shape, Orientation, Position and Runout Tolerance (ISO 1101.2004, IDT) This standard has made the following editorial changes. --- The standard name was changed to "ground joints for aircraft drinking water, toilet water and drainage". This standard is proposed and managed by the National Aircraft Standardization Technical Committee (SAC/TC435). This standard was drafted. China Aviation Integrated Technology Research Institute. The main drafters of this standard. Xu Pengguo, Wang Huidan, Lanjiang. Ground joint for aircraft drinking water, toilet water and drainage1 Scope
This standard specifies the size and material requirements for ground joints for aircraft drinking water, toilet water and drainage. This standard applies to the design and manufacture of ground joints (hereinafter referred to as joints) for aircraft drinking water, toilet water and drainage.2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. ISO 129-1 Technical drawings - Dimensions and tolerances - Part 1. General guidelines (Technicaldrawings-Indication ofdimensionsandtolerances-Part 1.Generalprinciples) ISO 1101 Product Geometry Specification (GPS) Geometric Tolerance Shape, Orientation, Position, and Runout Tolerance (Geometrical ProductSpecifications(GPS)-Geometricaltolerancing-Tolerancesofform,orientation,locationand Run-out) ISO 1302 Product Geometry Specification (GPS) Representation of surface structure in technical product documentation [GeometricalProduct Specifications(GPS)-Indicationofsurfacetextureintechnicalproductdocumentation]3 size
The dimensions of the joint are shown in Figure 1 and Table 1. All detailed dimensions and tolerances should be common on all aircraft, ground connection The mouth should match it. Figure 1 joint structure Table 1 Dimensions are in millimeters (inches) system size Φd1 φd2 φd3 φd4 l1 l2 l3 l4 l5 drinking water maximum 23.52 (0.926) 19.61 (0.772) 15.60 (0.614) 19.507 (0.768) - 7.493 (0.295) 11.252 (0.443) 3.68 (0.145) 1.778 (0.070) Minimum 23.42 (0.922) 19.51 (0.768) 15.44 (0.608) 18.339 (0.722) 24.765 (0.975) 6.985 (0.275) 10.744 (0.423) 3.43 (0.135) 1.27 (0.050) Toilet water maximum 29.87 (1.176) 25.96 (1.022) 21.62 (0.851) 25.959 (1.022) - 7.493 (0.295) 11.252 (0.443) 3.68 (0.145) 1.778 (0.070) Minimum 29.77 (1.172) 25.86 (1.018) 21.41 (0.843) 25.857 (1.018) 24.765 (0.975) 6.985 (0.275) 10.744 (0.423) 3.43 (0.135) 1.27 (0.050) drain maximum 111.38 (4.385) 106.807 (4.205) 101.727 (4.005) 108.102 (4.256) - 6.096 (0.240) 14.529 (0.572) 5.33 (0.210) 2.54 (0.100) Minimum 111.25 (4.380) 106.68 (4.200) 98.806 (3.890) 107.975 (4.251) 30.226 (1.190) 5.588 (0.220) 14.021 (0.552) 5.23 (0.206) 2.032 (0.080) system size R1 r2 r3 α1(°) α2(°) α3(°) α4(°) drinking water maximum 0.76 (0.030) 1.02 (0.040) 0.76 (0.030) Minimum 0.51 (0.020) 0.76 (0.030) 1.27 (0.050) Toilet water maximum 0.76 (0.030) 1.02 (0.040) 0.76 (0.030) Minimum 0.51 (0.020) 0.76 (0.030) 1.27 (0.050) drain maximum 0.762 (0.030) 1.02 (0.040) 0.889 (0.035) Minimum 0.254 (0.010) 0.76 (0.030) 0.254 (0.010)4 materials
4.1 This standard does not stipulate the material of the joint, but the materials used in all relevant components should be used with the aircraft drinking water, toilet water and platoon. The water used in the water system is compatible with the chemicals. For stainless steel materials, the strength and hardness of the intended application should be guaranteed. Should pass the test Verify that the material selected is suitable for the joint used to make the fluid used in the aircraft. 4.2 The surface and dimensions in Figures 1 and 1 shall meet the requirements of ISO 129-1, ISO 1101 and ISO 1302. 4.3 All fillet radii shall be 1.5 mm (0.059 in) unless otherwise specified. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
