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https://www.dolphmw.com/products/double-ridged-waveguide-bulkhead-feedthrus/

Double Ridged Waveguide Bulkhead Feedthrus
Dolph Microwave offers a standard product line of double-ridge bulkhead waveguide adapter covering the waveguide sizes WRD-180 thru WRD-475. Assemblies include hardware and silicone rubber bulkhead gasket for mounting purposes. VSWR is less than 1.10. Custom waveguide bulkhead flange patterns and waveguide lengths are available upon request.

Bulkhead Waveguide Adapter Ordering Guide
Ordering Guide of Double Ridged Waveguide Bulkhead Feedthrus

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

Finish: Corrosion protection plus black top coat.

Bulkhead Waveguide Adapter Datasheet
Model No*WG SizeFreq Range (GHz)DimensionsMaterialFinish
ABCD
DH-110DRBFU…WRD110C2411.00-26.576.225.463.576.26061 ALChromated
DH-180DRBFU…WRD180D2418.00-40.0076.225.463.576.26061 ALChromated
DH-475DRBFU…WRD475D244.75-11.0010841.482.6101.66061 ALChromated
DH-500DRBFU…WRD500D365.00-18.0095.335.173.288.96061 ALChromated
DH-580DRBFU…WRD580D285.80-16.0095.335.173.288.96061 ALChromated
DH-650DRBFU…WRD650D286.50-18.0095.335.173.288.96061 ALChromated
DH-750DRBFU…WRD750D247.5-18.0095.335.173.288.96061 ALChromated

Waveguide Bulkhead Details
Ridge Waveguide Bulkhead Features
The double ridge WG bulkhead feed unit covers 2.6 GHz to 110.0 GHz(WRD284 to WRD10). This bulkhead waveguide adapter could be tailor-made as customer's need.

Waveguide Bulkhead Application
The double ridge WG bulkhead feed unit will support when a waveguide system must pass through a pressurized wall or cabinet. A heavy mounting flange and a gasket provide secure sealing.

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As one of microwave waveguide manufacturers, we will do our best to meet all the needs of customers.