Flexible Rectangular & Double Ridge Waveguide

Flexible Waveguides For Low & High Power

ATM manufactures a high quality line of flexible waveguides, waveguide assemblies, subassemblies of components, and assemblies in packages  specially designed to meet all of your requirements.

We offer flexible waveguides that flex only, and also models that flex and twist. Consult the tables below for specifications.

Please note: All of our flexible waveguide is made from brass material. For more information please call us and discuss your needs with our design engineers.

Rectangular Flexible Waveguide - High Power, Non-Twist
Rectangular Flexible Waveguide - Non-Twistable, High Power

Rectangular Flexible Waveguide - Non-Twistable, High Power

ATM Type "124" Flexible, Non-Twist Waveguide Assemblies:

  • For use in Hi Power Applications.
  • Finished with high temperature paint.
  • For brushed on neoprene jacket change model to "123"
Flexible Waveguide - High Power - Standard Models
WG Size Freq. GHz I.L.
(dB/ft)
(Typical)		 VSWR (Typ.) Power Rating Pressure
max
(psig)		 Flex Non-Twist
w/o Jacket
Model No*
<36" >36" avg. (kW) peak (kW)
WR284 2.60 - 3.95 0.03 1.10 1.15 33.8 1500 30 284-124-(L)-6-6
WR229 3.30 - 4.90 0.03 1.10 1.15 28.0 1200 30 229-124-(L)-2-2
WR187 3.95 - 5.85 0.04 1.10 1.15 13.5 650 30 187-124-(L)-6-6
WR159 4.90 - 7.05 0.05 1.10 1.15 11.2 550 30 159-124-(L)-2-2
WR137 5.85 - 8.20 0.07 1.10 1.15 7.5 390 30 137-124-(L)-2-2
WR112 7.05 - 10.0 0.09 1.12 1.20 4.5 250 30 112-124-(L)-6-6
WR90 8.20 - 12.4 0.11 1.12 1.20 2.2 150 30 90-124-(L)-6-6
WR75 10.0 - 15.0 0.13 1.12 1.20 2.1 125 30 75-124-(L)-6-6
WR62 12.4 - 18.0 0.16 1.20 1.25 1.3 100 30 62-124-(L)-6-6
WR51 15.0 - 22.0 0.20 1.25 1.30 1.0 75 30 51-124-(L)-6-6
WR42 18.0 - 26.5 0.25 1.25 1.30 0.6 35 30 42-124-(L)-6-6
WR34 22.0 - 33.0 0.30 1.30 1.35 0.5 20 30 34-124-(L)-6-6
WR28 26.5 - 40.0 0.35 1.30 1.35 0.5 20 15 28-124-(L)-6-6
Flexible Waveguide - High Power - Mechanical Specifications
WG Size Bending Rating Length (In)
Available in
sizes between
Static Repeated
E-plane Rad (in) H-plane Rad (in) E-plane Rad (in) H-plane Rad (in)
WR284 2.75 5.00 8.00 16.00 4.0 - 60.0
WR229 2.50 4.75 7.50 15.00 4.0 - 48.0
WR187 2.25 4.00 7.00 14.00 4.0 - 48.0
WR159 2.00 3.00 6.00 12.00 4.0 - 48.0
WR137 1.75 2.50 5.00 10.00 4.0 - 47.0
WR112 1.50 2.00 4.50 9.00 2.0 - 47.0
WR90 1.12 1.75 4.00 8.00 2.0 - 47.0
WR75 0.87 1.50 3.50 7.00 2.0 - 47.0
WR62 0.75 1.50 3.00 6.00 2.0 - 47.0
WR51 0.70 1.40 2.75 5.50 2.0 - 47.0
WR42 0.62 1.25 2.50 5.00 2.0 - 35.0
WR34 0.62 1.25 2.50 5.00 2.0 - 35.0
WR28 0.50 1.00 2.00 4.00 2.0 - 35.0
Ordering Information
Rectangular Flexible Waveguide
High Power, Non-Twistable
 WR -Mod -L -F1 -F2
Example part number:  137 -124 -30 -2 -2
Waveguide Size: (WR)
WR28 thru WR284 available		        
Basic Model No.: (-Mod) -124 Std, -123 Neoprene Jacket      
Length (L): In Inches    
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.

* When creating a model number to place for order, please substitute the letter (L) in the model number examples with the number of inches your assembly will be.

Example P/N:
137-124-30-2-2 is WR137 Waveguide -30 inches -CPRF Flg -CPRF Flg

Change Model No 124 to 123 for Neoprene Jacket Coating.

 

Double Ridge Flexible Waveguide - Non-Twist
WG Size Freq (GHz) Ins. Loss per
Foot (dB)
(Typical)		 VSWR (Typical)
12" - 36"		 Flexible Hi-Power
No Jacket *
WRD750 7.5 - 18.0 0.50 1.20 - 1.38 750-124-L-C3-C3
WRD650 6.5 - 18.0 0.50 1.28 - 1.50 650-124-L-C3-C3
WRD580 5.8 - 16.0 0.50 1.20 - 1.38 580-124-L-C3-C3
WRD475 4.75 - 11.0 0.50 1.20 - 1.38 475-124-L-C3-C3

* The Standard Model Numbers shown above are the most common parts ordered for size, material and flange.  However, these models can easily be altered for your needs, see flange types table below for available flange types.
Double Ridge Flexible Waveguide - Mechanical Specifications
WG Size Bending Rating Length (In)
Available in
sizes between
Static Repeated
E-plane Rad (in) H-plane Rad (in) E-plane Rad (in) H-planeRad (in)
WRD750 1.50 2.50 4.50 9.00 4.0 - 36.0
WRD650 1.50 2.50 4.50 9.00 4.0 - 36.0
WRD580 1.50 2.50 4.50 9.00 4.0 - 36.0
WRD475 1.50 2.50 4.50 9.00 4.0 - 36.0
Ordering Information
Flexible Double Ridge Waveguide
Non-Twistable
 WRD -Mod -L -F1 -F2
Example part number:  475 -124 -24 -C3 -C3
Waveguide Size: (WRD)
WRD750 thru WRD475 available		        
Basic Model No.: (-Mod)      
Length (L): In Inches    
Flange 1 (-F1):
C=Cover, G=Groove
1=Alternate Tap/Thru, 2=All Tapped, 3=All Thru		    
Flange 2 (-F2):
C=Cover, G=Groove
1=Alternate Tap/Thru, 2=All Tapped, 3=All Thru
See ATM Standard Flange page for more info.

* When creating a model number to place for order, please substitute the letter (L) in the model number examples with the number of inches your assembly will be.

Example P/N:
475-124-24-C3-C3 is WR475 Waveguide -24 inches -All Thru Cover Flg - All Thru Cover Flg.

 

Rectangular Flexible Waveguide - Flex-Twist
Rectangular Flexible Waveguide - Twist

Rectangular Flexible Waveguide - Twist

Rectangular Waveguide Twist Section

Rectangular Waveguide Twist Section

ATM Type "125" Flex-Twist Waveguide Assemblies:

  • Used in requirements where both bending and twisting of the Waveguide is needed.
  • Supplied with Neoprene® jacket in order to hold pressure, as a standard model.
  • Operating temp: -55 to +130°C
  • Silicone jacket available upon request.
Flexible Waveguide - Flex-Twist - Standard Models
WG Size Freq GHz Max I.L.
(dB/ft)
(Typical)		 VSWR (Typical) Power Rating
avg (kW)		 Pressure
max (psig)		 Flex-Twist
with Jacket
Model No.*
<36" >36"
WR284 2.60 - 3.95 0.04 1.04 1.07 6.50 20 284-125-(L)-6-6
WR229 3.30 - 4.90 0.04 1.05 1.07 4.00 30 229-125-(L)-2-2
WR187 3.95 - 5.85 0.05 1.05 1.07 3.00 30 187-125-(L)-6-6
WR159 4.90 - 7.05 0.05 1.05 1.08 2.50 30 159-125-(L)-2-2
WR137 5.85 - 8.20 0.06 1.05 1.09 2.00 30 137-125-(L)-2-2
WR112 7.05 - 10.0 0.08 1.07 1.10 1.30 35 112-125-(L)-6-6
WR90 8.20 - 12.4 0.10 1.07 1.10 1.00 45 90-125-(L)-6-6
WR75 10.0 - 15.0 0.15 1.08 1.10 0.95 45 75-125-(L)-6-6
WR62 12.4 - 18.0 0.16 1.10 1.13 0.40 45 62-125-(L)-6-6
WR51 15.0 - 22.0 0.35 1.15 1.18 0.20 45 51-125-(L)-6-6
WR42 18.0 - 26.5 0.38 1.18 1.23 0.15 45 42-125-(L)-6-6
WR34 22.0 - 33.0 0.45 1.17 1.20 0.10 45 34-125-(L)-6-6
WR28 26.5 - 40.0 0.60 1.30-36" max 0.10 45 28-125-(L)-6-6

* Important note: When creating a model number to place for order, please substitute the letter (L) as shown above, with the number of inches your assembly will be.
Flexible Waveguide - Flex-Twist - Mechanical Specifications
WG Size Bending Rating Twisting Rating
Static Repeated Static Repeated
E-plane
Rad (in)		 H-plane
Rad (in)		 E-plane
Rad (in)		 H-plane
Rad (in)		 Tolerance
(+/- deg/ft)		 Twist
(+/- deg/ft)
WR284 7.0 14.0 28.0 56.0 32 8
WR229 6.5 13.0 26.0 52.0 40 10
WR187 6.5 13.0 26.0 52.0 48 12
WR159 5.0 10.0 20.0 40.0 56 14
WR137 4.0 8.0 16.0 32.0 64 16
WR112 3.0 6.0 12.0 24.0 80 20
WR90 2.5 5.0 10.0 20.0 96 24
WR75 2.5 4.5 10.0 20.0 112 28
WR62 2.0 4.0 8.0 16.0 136 34
WR51 2.0 4.0 8.0 16.0 136 34
WR42 1.5 3.0 6.0 12.0 155 45
WR34 1.5 3.0 6.0 12.0 155 45
WR28 1.0 2.0 4.0 8.0 180 70
Ordering Information
Rectangular Flexible Waveguide
Flex-Twist
 WR -Mod -L -F1 -F2
Example part number:  137 -125 -36 -2 -2
Waveguide Size: (WR)
WR28 thru WR284 available		        
Basic Model No.: (-Mod)      
Length (L): In Inches    
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.

* When creating a model number to place for order, please substitute the letter (L) in the model number examples with the number of inches your assembly will be.

Example P/N:
137-125-36-2-2 is WR137 Waveguide -36 inches -CPRF Flg -CPRF Flg

 

Armored Flexible Rectangular Waveguide - High Power, Non-Twistable
Waveguide encased in Armor Jacket
Armored Rectangular Flexible Waveguide

Armored Rectangular Flexible Waveguide

ATM Type "126" Flexible Armored, Non-Twist Waveguide Assemblies

  • For use in hi-power applications
  • 304 stainless steel flexible armor jacket
  • Crush resistant
  • Kink Resistant
  • Optional polyolefin outer coating available
Armored Flexible Waveguide - Standard Models
WG Size Freq. GHz I.L.
(dB/ft)
(Typical)		 VSWR (Typical) Power Rating Pres
max
(psig)		 Flex Non-Twist
w/o Jacket
Model No*		 Outline
Dwgs
<36" >36" avg (kW) peak (kW)
WR112 7.05 - 10.0 0.09 1.12 1.20 4.5 250 15 112-126-(L)-6-6 Dwg
WR90 8.20 - 12.4 0.11 1.12 1.20 2.2 150 15 90-126-(L)-6-6 Dwg
WR75 10.0 - 15.0 0.15 1.12 1.20 2.1 125 15 75-126-(L)-6-6 Dwg
WR62 12.4 - 18.0 0.16 1.20 1.20 1.3 100 15 62-126-(L)-6-6 Dwg
WR51 15.0 - 22.0 0.20 1.25 1.30 1.0 75 15 51-126-(L)-6-6  
WR42 18.0 - 26.5 0.25 1.25 1.30 0.6 35 15 42-126-(L)-6-6 Dwg
WR34 22.0 - 33.0 0.30 1.30 1.35 0.5 20 15 34-126-(L)-6-6 Dwg
WR28 26.5 - 40.0 0.35 1.30 1.35 0.5 20 15 28-126-(L)-6-6 Dwg
Armored Flexible Waveguide - Mechanical Specifications
WG Size Bending Rating Length (In)
Available in
sizes between
Static Repeated
*E-plane
Rad (in)		 *H-plane
Rad (in)		 *E-plane
Rad (in)		 **H-plane
Rad (in)
WR90 6.0 6.0 6.0 8.0 5.0 - 47.0
WR75 5.0 5.0 5.0 7.0 5.0 - 47.0
WR62 4.0 4.0 4.0 6.0 5.0 - 47.0
WR51 3.5 3.5 3.5 5.5 4.0 - 47.0
WR42 3.0 3.0 3.0 5.0 4.0 - 35.0
WR34 2.5 2.5 2.5 5.0 4.0 - 35.0
WR28 2.0 2.0 2.0 4.0 4.0 - 35.0

* Note: Bending Radius is limited by the minimum bending radius of the armor.
** Note: Bending rating radius for Repeated H Plane is larger than the minimum bending radius of the armor.
Ordering Information
Flexible Rectangular Waveguide
Armored Non-Twistable
 WR -Mod -L -F1 -F2
Example part number:  28 -126 -30 -6 -6
Waveguide Size: (WR)
WR28 thru WR90 available		        
Basic Model No.: (-Mod)      
Length (L): In Inches    
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.

* When creating a model number to place for order, please substitute the letter (L) in the model number examples with the number of inches your assembly will be.

Example P/N:
28-126-30-6-6 is WR28 Waveguide -30 inches -Cover Flange -Cover Flange

Please note:  Standard material for Armored flex assemblies is brass.