Waveguide Bulkhead Feedthrus

 

 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.


 

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
*C = Diameter of bolt circle for 8 holes 17/64" diameter
**D = Diameter of clearance hole in wall of panel

 

Rectangular W/G Standard Models

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 available
           
Basic 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.

 

 

Double Ridge W/G Standard Models

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
new as of 9.06.06 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 available
         
Basic 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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