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Waveguide Pressure Inlet

Dolph microwave offers a standard line of waveguide pressure inlet from WR28 to WR650 for pressurizing Waveguide systems with clean air or other gasses. Waveguide pressure inlet are available in almost all combinations of flange type and have a 1/8" NPT female inlet. We can customize waveguide pressure inlets to your specifications upon request.

Waveguide Pressure Sections/Inlets
Waveguide Pressure Inlet

Waveguide Pressure Inlet Ordering Guide

Ordering Guide of Waveguide Air Inlet


  • Flange type: Multiple types available - see Dolph Microwave Flanges page.

  • Finish: Corrosion protection plus black/grey top coat.

Waveguide Pressure Inlet Datasheet

Model No

Freq Range (GHz)

VSWR (Max)

Length (mm)

Coating

Pressure

Flange

Material

DH-14WPI…C

1.12-1.70

≤1.05

100

Oxidation

≤0.1

FDP/FDM

Al/Cu

DH-22WPI…C

1.70-2.60

≤1.05

100

Oxidation

≤0.1

FDP/FDM

Al/Cu

DH-26WPI…C

2.20-3.3

≤1.05

100

Oxidation

≤0.1

FDP/FDM

Al/Cu

DH-32WPI…C

2.60-3.95

≤1.05

100

Oxidation

≤0.1

FDP/FDM

Al/Cu

DH-40WPI…C

3.30-4.90

≤1.05

100

Oxidation

≤0.1

FDP/FDM

Al/Cu

DH-48WPI…C

3.95-5.85

≤1.05

100

Oxidation

≤0.1

FDP/FDM

Al/Cu

DH-58WPI…C

4.90-7.05

≤1.05

100

Oxidation

≤0.1

FDP/FDM

Al/Cu

DH-70WPI…C

5.85-8.20

≤1.05

50

Silver

≤0.1

FDP/FDM

Cu

DH-84WPI…C

7.05-10.0

≤1.05

50

Silver

≤0.1

FDP/FDM

Cu

DH-90WPI…C

8.20-12.40

≤1.05

50

Silver

≤0.1

FDP/FDM

Cu

DH-120WPI…C

10.0-15.0

≤1.05

50

Silver

≤0.1

FDP/FDM

Cu

DH-140WPI…C

12.4-18.0

≤1.05

50

Silver

≤0.2

FDP/FDM

Cu

DH-180WPI…C

15.0-22.0

≤1.05

50

Silver

≤0.2

FDP/FDM

Cu

DH-220WPI…C

18.0-26.5

≤1.05

50

Silver

≤0.2

FDP/FDM

Cu

DH-260WPI…C

22.0-33.0

≤1.05

50

Silver

≤0.2

FDP/FDM

Cu

DH-320WPI…C

26.5-40.0

≤1.05

50

Silver

≤0.2

FDP/FDM

Cu


*Indicates Model Number. See Ordering Information for complete part number.

Waveguide Pressure Inlet Diagram

diagram of waveguide air inlet 3
diagram of waveguide air inlet 1
diagram of waveguide air inlet 2

Waveguide Pressure Inlet Inquiry Elements

  • Waveguide size: WR2300 to WR10

  • Operational frequency range

  • Power hanlding: average power/ CW power

  • Pressure rate: bar/psi

  • Thickness in mm

  • Inlet size

  • Flange: flat or groove


For custom microwave components, please visit our custom page or contact us directly via email or Tel.

Waveguide Pressure Inlet Inquiry Elements

Waveguide Pressure Inlet Applications

Waveguide Pressure Inlet Applications

Waveguide pressure inlets are also called air inlets, which can be added to many waveguide assemblies composed by multiple individual devices. 

These waveguide components in microwave engineering create the most compact and cost effective solutions.


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Let's contact Dolph for more information!
No.333, Xingtai South Road, Weiyang Zone, Xi'an, China
sales@dolphmicrowave.com +86-2988810979