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Technical Reference
Flange Types Designations
Technical Reference
Click Flange Type No to see the detailed outline drawings.
WG Type
A Type
B Type
D Type
FUGP
EIA Std IEC Std FAP
(RND COVER)
FAM
(RND GROOVED)
FAE
(RND CHOKE)
FBP
(SQ COVER)
FBM
(SQ GROOVED)
FBE
(SQ CHOKE)
FDP
(CPRF)
FDM
(CPRG)
WR2300 R3             FDP3 FDM3  
WR2100 R4             FDP4 FDM4  
WR1800 R5             FDP5 FDM5  
WR1500 R6             FDP6 FDM6  
WR1150 R8             FDP8 FDM8  
WR975 R9             FDP9 FDM9  
WR770 R12             FDP12 FDM12  
WR650 R14             FDP14 FDM14  
WR510 R18             FDP18 FDM18  
WR430 R22             FDP22 FDM22  
WR340 R26             FDP26 FDM26  
WR284 R32 FAP32 FAM32 FAE32       FDP32 FDM32  
WR229 R40 FAP40 FAM40 FAE40       FDP40 FDM40  
WR187 R48 FAP48 FAM48 FAE48       FDP48 FDM48  
WR159 R58 FAP58 FAM58 FAE58       FDP58 FDM58  
WR137 R70 FAP70 FAM70 FAE70       FDP70 FDM70  
WR112 R84       FBP84 FBM84 FBE84 FDP84 FDM84  
WR90 R100       FBP100 FBM100 FBE100 FDP100 FDM100  
WR75 R120       FBP120 FBM120 FBE120 FDP120 FDM120  
WR62 R140       FBP140 FBM140 FBE140 FDP140 FDM140  
WR51 R180       FBP180 FBM180 FBE180 FDP180 FDM180  
WR42 R220       FBP220 FBM220 FBE220      
WR34 R260       FBP260 FBM260 FBE260      
WR28 R320       FBP320 FBM320 FBE320      
WR22 R400 FAP400 FAM400             FUGP400
WR18 R500 FAP500 FAM500             FUGP500
WR14 R620 FAP620 FAM620             FUGP620
WR12 R740 FAP740 FAM740             FUGP740
WR10 R900 FAP900 FAM900             FUGP900

Rectangular Waveguide Tubing Information
Model No EIA WG
Designation
IEC WG
Designation
Freq Range
(GHz)

Material
(Stock)

Inside
Dimensions (mm)

Std Tol
±Inside
Dim(mm)

Nom Wall
Thickness
(mm)
Outside
Dimensions
(mm)

Std Tol
±Outside
Dim(mm)

Freq of
Cut-Off for
TE1,0 Mode(GHz)

Wave-length
of Cut-Off
for TE1,0
Mode(mm)

Theoretical Attenuation
 lowest to highest freq
(dB/100ft)
Al Cu
VT3.. WR2300 R3 0.32-0.49 Aluminum 584.2*292.1   6     0.257 1169.2 0.270-0.400  
VT4.. WR2100 R4 0.35-0.53 Aluminum 533.4*266.7   5     0.281 1067.5 0.310-0.460  
VT5.. WR1800 R5 0.41-0.62 Aluminum 457.2*228.6 0.51 5     0.328 915.0 0.390-0.580  
VT6.. WR1500 R6 0.49-0.75 Aluminum 381*190.5 0.38 3.18     0.393 762.5 0.510-0.760  
VT8.. WR1150 R8 0.64-0.98 Aluminum 292.1*146.05 0.38 3.18     0.513 584.6 0.760-0.113  
VT9.. WR975 R9 0.76-1.15 Aluminum 247.65*123.82   3.18     0.605 495.6 0.098-0.145  
VT12.. WR770 R12 0.96-1.46 Aluminum 195.58*97.79   3.18     0.766 391.4 0.140-0.206  
VT14.. WR650 R14 1.13-1.73 Copper
Aluminum
165.1*82.55 0.33 2.03 169.16*86.61 0.2 0.908 330.4 0.180-0.266 0.214-0.317
VT18.. WR510 R18 1.45-2.2 Copper
Aluminum
129.54*64.77 0.26 2.03 133.6*68.83 0.2 1.157 259.1 0.259-0.382 0.309-0.456
VT22.. WR430 R22 1.72-2.61 Copper
Aluminum
109.22*54.61 0.22 2.03 113.28*58.67 0.2 1.372 218.4 0.334-0.494 0.399-0.588
VT26.. WR340 R26 2.17-3.3 Copper
Aluminum
86.36*43.18 0.17 2.03 90.42*47.24 0.17 1.736 172.7 0.475-0.702 0.567-0.837
VT32.. WR284 R32 2.6-3.95 Copper
Aluminum
72.14*34.04 0.14 2.03 76.2*38.1 0.14 2.078 144.3 0.652-0.953 0.777-1.136
VT40.. WR229 R40 3.22-4.9 Copper
Aluminum
58.17*29.08 0.12 1.625 61.42*32.33 0.12 2.577 116.3 0.860-1.270 1.026-1.514
VT48.. WR187 R48 3.94-5.99 Copper
Aluminum
47.549*22.149 0.095 1.625 50.8*25.4 0.1 3.153 95.1 1.231-1.795 1.467-2.140
VT58.. WR159 R58 4.64-7.05 Copper
Aluminum
40.386*20.193 0.081 1.625 43.64*23.44 0.08 3.712 80.77 1.487-2.195 1.773-2.617
VT70.. WR137 R70 5.38-8.17 Copper
Aluminum
34.849*15.799 0.07 1.625 38.1*19.05 0.08 4.301 69.7 2.004-2.910 2.390-3.470
VT84.. WR112 R84 6.57-9.99 Copper
Aluminum
28.499*12.624 0.057 1.625 31.75*15.88 0.05 5.260 57 2.761-3.993 3.292-4.761
VT100.. WR90 R100 8.2-12.5 Copper
Aluminum
22.86*10.16 0.046 1.27 25.4*12.7 0.05 6.557 45.72 3.833-5.547 4.570-6.614
VT120.. WR75 R120 9.84-15 Copper
Aluminum
19.05*9.525 0.038 1.27 21.59*12.06 0.05 7.869 38.1 4.590-6.775 5.472-8.078
VT140.. WR62 R140 11.9-18 Copper
Aluminum
15.799*7.899 0.031 1.015 17.83*9.93 0.05 9.488 31.6 6.077-8.971 7.246-10.696
VT180.. WR51 R180 14.5-22 Copper
Aluminum
12.95*6.477 0.026 1.015 14.99*8.51 0.05 11.575 25.91 8.185-12.082 9.759-14.406
VT220.. WR42 R220 17.6-26.7 Copper
Aluminum
10.668*4.318 0.021 1.015 12.7*6.35 0.05 14.051 21.34 12.970-18.487 15.464-22.042
VT260.. WR34 R260 21.7-33 Copper
Aluminum
8.636*4.318 0.02 1.015 10.67*6.35 0.05 17.358 17.27 15.036-22.197 17.928-26.465
VT320.. WR28 R320 26.3-40 Copper
Aluminum
7.12*3.556 0.02 1.015 9.14*5.59 0.05 21.053 14.22 20.120-29.701 23.989-35.413
VT400.. WR22 R400 32.9-50.1 Copper
Aluminum
5.69*2.845 0.02 1.015 7.72*4.88 0.05 26.344 11.38 28.119-41.508 33.526-49.491
VT500.. WR19 R500 39.2-59.6 Copper 4.775*2.388 0.02 1.015 6.81*4.42 0.05 31.393 9.55   43.603-64.367
VT620.. WR15 R620 49.8-75.8 Copper 3.795*1.88 0.02 1.015 5.79*3.91 0.05 39.499 7.52   62.425-92.152
VT740.. WR12 R740 60.5-91.9 Copper 3.0988*1.5494 0.0127 1.015 5.13*3.58 0.05 48.374 6.2   83.409-123.128
VT900.. WR10 R900 73.8-112 Copper 2.54*1.27 0.0127 1.015 4.57*3.3 0.05 59.016 5.08   112.397-165.920

Wave Band Designations
Frequency
Wave Band Designations
Frequency
Wave Band Designations
Old New Old New
500~1000 MHz VHF C 8~10 GHz X I
1~2 GHz L D 10~12.4 GHz X J
2~3 GHz S E 12.4~18 GHz Ku J
3~4 GHz S F 18~20 GHz K J
4~6 GHz C G 20~26.5 GHz K K
6~8 GHz C H 26.5~40 GHz Ka K

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