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GB/T 36258-2018 English PDF (GBT36258-2018)

GB/T 36258-2018 English PDF (GBT36258-2018)

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GB/T 36258-2018: Grounds-service connections of aircraft potable water, toilet-flush water and toilet drain
GB/T 36258-2018
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 drainage
1 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.

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