Waveguide Bulkhead Feedthrus
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ATM offers a series of bulkhead units covering the waveguide sizes WR-28 through WR-284. All units are pressure tested to 30 psi and have a unique corrosion-resistant 316 stainless steel epoxy coating. Please call us and discuss your needs with one of our design engineers. |
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| WG Size | Dimension A (in) |
Dimension B (in) |
Dimension C* (in) |
Dimension D** (in) |
Dimension L (in) |
| WR284 | 1.625 | 7.25 | Ø6.50 | 5.500 | 4.25 |
| WR229 | 1.625 | 6.75 | Ø6.00 | 5.000 | 4.25 |
| WR187 | 1.625 | 5.25 | Ø4.63 | 3.750 | 4.25 |
| WR159 | 1.625 | 6.00 | Ø5.25 | 4.250 | 4.25 |
| WR137 | 1.625 | 4.75 | Ø4.00 | 3.125 | 4.25 |
| WR112 | 1.625 | 4.00 | Ø3.25 | 2.625 | 4.25 |
| WR102 | 1.625 | 4.00 | Ø3.25 | 2.625 | 4.25 |
| WR90 | 1.375 | 3.50 | Ø2.88 | 2.250 | 3.75 |
| WR75 | 1.375 | 3.50 | Ø2.88 | 2.250 | 3.75 |
| WR62 | 1.000 | 3.25 | Ø2.63 | 2.000 | 3.00 |
| WR51 | 1.000 | 3.25 | Ø2.63 | 2.000 | 3.00 |
| WR42 | 1.000 | 3.00 | Ø2.50 | 1.875 | 3.00 |
| WR34 | 1.000 | 3.00 | Ø2.50 | 1.875 | 3.00 |
| WR28 | 1.000 | 3.00 | Ø2.50 | 1.875 | 3.00 |
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*C = Diameter of bolt
circle for 8 holes 17/64" diameter **D = Diameter of clearance hole in wall of panel |
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WG Size
(WR)Freq GHz VSWR
(max)Standard
Model No.WR284 2.60 - 3.95 1.05 284-130A-4.25-6-6 WR229 3.30 - 4.90 1.05 229-130A-4.25-2-2 WR187 3.95 - 5.85 1.05 187-130A-4.25-6-6 WR159 4.90 - 7.05 1.05 159-130A-4.25-2-2 WR137 5.95 - 8.20 1.05 137-130A-4.25-2-2 WR112 7.05 - 10.0 1.05 112-130A-4.25-6-6 WR102 7.00 - 11.0 1.05 102-130A-4.25-6-6 WR90 8.20 - 12.4 1.05 90-130A-3.75-6-6 WR75 10.0 - 15.0 1.05 75-130A-3.75-6-6 WR62 12.4 - 18.0 1.05 62-130A-3.00-6-6 WR51 15.0 - 22.0 1.05 51-130A-3.00-6-6 WR42 18.0 - 26.5 1.05 42-130A-3.00-6-6 WR28 26.5 - 40.0 1.05 28-130A-3.00-6-6
Ordering Information WR - Mod M -L - F1 - F2 W/G Bulkhead Feedthru Example part number:
90 -130 A -3.75 -6 -6 Waveguide Size: (WR)
WR28 thru WR284 availableBasic Model No.: (-Mod) Material (M): A=Aluminum, B=Brass Length (L): Standard listed above Flange 1 (-F1): 1=CPRG, 2=CPRF, 6=Cover, 7=Choke Flange 2 (-F2): 1=CPRG, 2=CPRF, 6=Cover, 7=Choke
See ATM Standard Flange page for more info.* The Standard Model Numbers above are the most common parts ordered for size, material and flange. However, these models can easily be altered to accommodate your needs by using the Model # code system to the left.
WG Size
(WR)Freq GHz VSWR
(max)Standard
Model No.Outline Dwg WRD250 2.60 - 7.80 1.10 250-130A-5.0-C3-C3 Dwg WRD350 3.50 - 8.20 1.10 350-130A-5.0-C3-C3 Dwg WRD475 4.75 - 11.0 1.10 475-130A-3.75-C3-C3 Dwg WRD580 5.80 - 16.0 1.10 580-130A-3.75-C3-C3 Dwg WRD650 6.50 - 18.0 1.10 650-130A-3.75-C3-C3 Dwg WRD750 7.50 - 18.0 1.10 750-130A-3.75-C3-C3 Dwg WRD180
18.0 - 40.0 1.10 180-130A-3.0-C3-C3
Ordering Information WRD - Mod M -L - F1 - F2 Double Ridge W/G Bulkhead Feedthru Example part number:
580 -130 A -3.75 -C3 -C3 Waveguide Size: (WRD)
WRD250 thru WR750 availableBasic Model No.: (-Mod) Material (M): A=Aluminum, B=Brass Length (L): Standard listed above Flange 1 (-F1): see table below Flange 2 (-F2): see table below
or see ATM Standard Flange page for more info.* The Standard Model Numbers above are the most common parts ordered for size, material and flange. However, these models can easily be altered to accommodate your needs by using the Model # code system to the left.
FLANGE DESIGNATION & TYPE
DESIGNATION TYPE HOLES - C1 COVER ALTERNATE TAP/THRU - C2 ALL TAPPED - C3 ALL THRU - G1 GROOVE ALTERNATE TAP/THRU - G2 ALL TAPPED - G3 ALL THRU
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Advanced Technical Materials Inc |
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