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.
Flange type: Multiple types available - see Dolph Microwave Flanges page.
Finish: Corrosion protection plus black/grey top coat.
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 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 inlets are also called air inlets, which can be added to many waveguide assemblies composed by multiple individual devices.
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