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Bulkhead Flanges
PENN ENGINEERING'S Bulkhead Flanges will assist when a waveguide system must pass through a pressurized wall or
cabinet. A heavy mounting flange and a gasket provide secure sealing. Brass units are Silver plated per QQ-S-365D
Class A, Aluminum units are Chem-film per MIL-C-5541E, and both are finished with PENN ENGINEERING'S Metallic Blue Paint.
Special Bulkheads are available upon request. |
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| Model # |
Waveguide
Size EIA |
Frequency
Range GHz |
"A" |
"B" |
"C" |
"D***" |
"L" |
| 4256 |
WR 284 |
2.60-3.95 |
1.625 |
7.25 |
6.5* |
5.5 |
4.25 |
| 4254 |
WR 229 |
3.30-4.90 |
1.625 |
6.750 |
6.00* |
5.00 |
4.25 |
| 4252 |
WR 187 |
3.95-5.85 |
1.625 |
5.250 |
4.625* |
3.75 |
4.25 |
| 4250 |
WR 159 |
4.90-7.05 |
1.625 |
6.00 |
5.250* |
4.25 |
4.25 |
| 4248 |
WR 137 |
5.85-8.20 |
1.625 |
4.750 |
4.00* |
3.125 |
4.25 |
| 4246 |
WR 112 |
7.05-10.0 |
1.625 |
4.00 |
3.250* |
2.625 |
4.25 |
| 4244 |
WR 102 |
7.00-11.0 |
1.625 |
4.00 |
3.250* |
2.625 |
4.25 |
| 4242 |
WR 90 |
8.20-12.4 |
1.625 |
3.375 |
2.875** |
2.125 |
3.75 |
| 4240 |
WR 75 |
10.0-15.0 |
1.625 |
3.375 |
2.875** |
2.125 |
3.75 |
| 4238 |
WR 62 |
12.4-18.0 |
1.00 |
3.375 |
2.875** |
2.125 |
3.00 |
| 4236 |
WR 51 |
15.0-22.0 |
1.00 |
3.375 |
2.875** |
2.125 |
3.00 |
| 4234 |
WR 42 |
18.0-26.5 |
1.00 |
3.375 |
2.875** |
2.125 |
3.00 |
| 4232 |
WR 34 |
22.0-33.0 |
1.00 |
3.00 |
2.875** |
2.125 |
3.00 |
| 4230 |
WR 28 |
26.5-40.0 |
1.00 |
3.00 |
2.500** |
1.875 |
3.00 |
| 4228 |
WR 22 |
33.0-50.0 |
1.00 |
3.00 |
2.500** |
1.875 |
3.00 |
| 4226 |
WR 19 |
40.0-60.0 |
1.00 |
3.00 |
2.500** |
1.875 |
3.00 |
| 4224 |
WR 15 |
50.0-75.0 |
1.00 |
3.00 |
2.500** |
1.875 |
3.00 |
| 4222 |
WR 12 |
60.0-90.0 |
1.00 |
3.00 |
2.500** |
1.875 |
3.00 |
| 4220 |
WR 10 |
75.0-110.0 |
1.00 |
3.00 |
2.500** |
1.875 |
3.00 |
*Diameter of bolt circle for 8 holes 1/4" diameter
** Diameter of bolt circle for 6 holes 1/4" diameter
*** Diameter of clearance hole in wall or panel
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An ISO 9001:2000 Certified and AS90003:2001 Compliant Company