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BS EN 60154-2:2016 – TC:2020 Edition

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Tracked Changes. Flanges for waveguides – Relevant specifications for flanges for ordinary rectangular waveguides

Published By Publication Date Number of Pages
BSI 2020 156
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IEC 60154-2:2016 specifies the dimensions of flanges for ordinary rectangular waveguide for use in electronic equipment. It covers requirements for flanges drilled before or after mounting on waveguides. It should be noted that for optimum electrical performance, post-drilling of the alignment holes after mounting is recommended. The aim of this standard is to specify for waveguide flanges the mechanical requirements necessary to ensure compatibility and, as far as practicable, interchangeability as well as to ensure adequate electrical performance. This edition includes the following significant technical changes with respect to the previous edition: a) revise the estimation for return loss at connection interface of waveguides; b) add two type of waveguide flange for high frequency application, i.e. over 50 GHz; c) expand the operation frequency range up to 3,3 THz; d) rename the frequency band over R 1200, i.e. R1,2k.

PDF Catalog

PDF Pages PDF Title
104 European foreword
Endorsement notice
106 English
CONTENTS
108 FOREWORD
110 INTRODUCTION
111 1 Scope
2 Normative references
3 Terms and definitions
4 General
4.1 Standardized types
4.2 Flange designation
112 5 Mechanical requirements
5.1 Dimensions
5.1.1 Alignment holes
5.1.2 Shank diameter of fixing bolts used for alignment
5.1.3 Relation between shank and alignment hole diameters
113 5.1.4 Overall dimensions and thickness of flanges
5.1.5 Surface roughness of contact area of flanges
5.1.6 Flatness of contact area
5.1.7 Perpendicularity of the axis of the holes
5.1.8 General requirements for assemblies
5.1.9 Perpendicularity of the contact area
Tables
Table 1 – ISO specifications
Table 2 – Requirements of root mean square of roughness on the contact area
114 5.2 Additional requirements for unmounted flanges
5.2.1 General
5.2.2 Shape of aperture
5.2.3 Ordering information
5.3 Information on reflection
116 Table 3 – The worst “return loss” in (positive) decibels for waveguides (1 of 2)
118 Table 4 – Flange types (1 of 2)
120 Figures
Figure 1 – Flange type A: 60154 IEC-AR 32
Figure 2 – Flange type A: 60154 IEC-AR 32 gasket
121 Figure 3 – Flange type A: 60154 IEC-AR 48
Figure 4 – Flange type A: 60154 IEC-AR 48 gasket
122 Figure 5 – Flange type A: 60154 IEC-AR 58-70
Figure 6 – Flange type A: 60154 IEC-AR 58-70 gasket
123 Table 5 – Dimensions of type A flange for ordinary rectangular waveguides (1 of 2)
125 Figure 7 – Flange type B: 60154 IEC-BR 84-320
Figure 8 – Flange type B: 60154 IEC-BR 84-320 gasket
126 Table 6 – Dimensions of type B flange for ordinary rectangular waveguides (1 of 2)
128 Figure 9 – Flange type C: 60154 IEC-PCR 220-500
Figure 10 – Flange type C: 60154 IEC-PCR 220-500 gasket
129 Table 7 – Dimensions of type C flange for ordinary rectangular waveguides (1 of 2)
131 Figure 11 – Flange type C: 60154 IEC-PCR 220-500
Figure 12 – Flange type C: 60154 IEC-PCR 220-500 gasket
132 Figure 13 – Recommended gaskets for flanges without gasket groves
133 Figure 14 – Recommended gaskets for type PDR 3 to 12 flanges
134 Figure 15 – Flange type D: 60154 IEC-PDR 3 AND UDR 3
135 Figure 16 – Flange type D: 60154 IEC-PDR 4 AND UDR 4
136 Figure 17 – Flange type D: 60154 IEC-PDR 5 AND UDR 5
137 Figure 18 – Flange type D: 60154 IEC-PDR 6 AND UDR 6
138 Figure 19 – Flange type D: 60154 IEC-PDR 8 AND UDR 8
139 Figure 20 – Flange type D: 60154 IEC-PDR 9 AND UDR 9
140 Figure 21 – Flange type D: 60154 IEC-PDR 12 AND UDR 12
141 Figure 22 – Flange type D: 60154 IEC-PDR 14 – 40
142 Figure 23 – Flange type D: 60154 IEC-PDR 48 – 100
143 Figure 24 – Flange type D: 60154 IEC-UDR 120 – 180
144 Figure 25 – Flange type D: 60154 IEC-PDR 120 – 180
145 Table 8 – Dimensions of type D flange for ordinary rectangular waveguides (1 of 2)
147 Figure 26 – Flange type E: 60154 IEC-UER 32
148 Figure 27 – Flange type E: 60154 IEC-UER 40-100
149 Table 9 – Dimensions of type E flange for ordinary rectangular waveguides (1 of 2)
151 Figure 28 – Flange type F: 60154 IEC-UFC without choke or gasket groove
153 Figure 29 – Flange type G: 60154 IEC-UGC without choke or gasket groove
BS EN 60154-2:2016 - TC
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