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WR90 standard welded waveguide flange

Short Description:

The waveguide flange series products can cover the frequency range of 8.2-330GHz,and the waveguide models range from WR-90 (BJ-100) to WR3(BJ 2600). Available with flat flanges,sealing flange sand flanges with choke slots. The material can be brass,aluminum or copper. Can also be customized according to customer requirements.


  • Waveguide: WR90
  • Frequency Range(GHz): 8.2-12.5
  • Material: Copper
  • Surface treatment: Unoil
  • Size(mm): 41.4*41.4*11.1
  • Net Weight(Kg): 0.05Around
  • Product Detail

    Product Tags

    Connector of waveguide flange:

    After obtaining appropriate waveguide components, the assembly and maintenance of waveguide components and interconnection devices will also affect the performance. The connector of waveguide flange is a problem prone area. If gaskets are not used, the surface of the flange needs to be kept clean and flat. Any damage, dust, or peeling of the metal plate may cause RF leakage, and misalignment may degrade performance. The bending and distortion of the waveguide may also form stress cracks due to thermal cycling and mechanical stress. The higher the frequency of the waveguide, the more sensitive the system performance is to correct assembly and maintenance.

    For example, for a waveguide with a flange connection, each corner of the waveguide has a specified torque. If one corner of the waveguide has more and less torque than the other, a small gap will reduce the VSWR and insertion loss performance. RF leakage may also occur. This may occur when the gasket gradually deteriorates with age or after heating and cooling cycles. Some threaded screws still support even under vibration and heavy load. The method of ensuring stable fastening can be adopted as long as it does not affect the RF performance and flange clamping.


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