Space Machine offers a standard product line of dual fitting pressure flanges covering waveguide sizes WR28 thru WR430. VSWR is less than 1.10:1 over the full waveguide band. Dual fitting pressure flange standard thickness is 0.75”. Custom thickness is available upon request. Different types of pressure fittings available in standard SME pressure flange assembly, such as Schrader Valve, Flared Compression Fitting, Pipe Threads, or Barbed Fitting. Pressure inlet can be substituted with drain unit or pressure drain unit. Additional sizes and configurations are available upon request.