Twists & Taper Transitions

We have a range of waveguide components include Precision Twists and Taper transitions. Customised products made to individual customer requirements are available on request. Download the specifications for all our... Read full description

SKU: Twists/tapers

Categories: Waveguides

Description

We have a range of waveguide components include Precision Twists and Taper transitions. Customised products made to individual customer requirements are available on request.

Download the specifications for all our available twists and the specifications for all our tapers or view the range below.

Twists

Precision Twists

The precision twists have been designed and precisely assembled to offer the optimum performance based on an average length and twist angle. They are available in clockwise and anticlockwise orientations.

Precision Twist diagram

Standard Rectangular

Specification:
V.S.W.R: Values for through flanges and up to 90 degree twists
Power: Values at F = 1.5 Fc for 90 degree twists
Material: Aluminium, Copper
Finish: Blue Paint, Iridited aluminium flanges

* S = clockwise, A = anticlockwise (as viewed through the waveguide).
** Twist in degrees. Standard Twist 30, 45 and 90 degrees.
*** For 3 Digit Rectangular Flange part number, refer to the Flange Catalogue, or consult our sales team.

Alternative lengths or alternative angles of twist (anti-clockwise) available on request.

Double Ridge

Specification:
V.S.W.R: Values for through flanges and up to 90 degree twists
Power: Values at F = 1.5 Fc for 90 degree twists
Material: Aluminium
Finish: Blue Paint, iridited aluminium flanges

* S = clockwise, A = anticlockwise (as viewed through the waveguide).
** Twist in degrees. Standard Twist 30, 45 and 90 degrees.
*** For 3 Digit Rectangular Flange part number, refer to the Flange Catalogue, or consult our sales team.

Ordering information

Example: PT 16 S Q Z 402 402 B 90

  • PT
    • Product code:
      PT = Precision Twist
  • 16
    • Waveguide size:
      British WG size for rectangular waveguide or MIL spec. WRD size for double ridge waveguide
      e.g. 16 = WG16; 750 = WRD750
  • S
    • Type:
      S = clockwise
      A = anticlockwise
  • Q
    • Paint:
      Q = TWS blue (preferred)
      B = black
      G = grey
  • Z
    • Finish:
      Z = unplated (preferred for brass / copper)
      M = passivate (option for brass)
      F = Iridite (preferred for aluminium)
      H = chromate
      A = tin
      B = silver
  • 402
    • Flange type (end1):
      Last 3 digits from the flange part no.
      e.g. 402 = UBR flange
  • 402
    • Flange type (end2):
      Last 3 digits from the flange part no.
      e.g. 402 = UBR flange
  • B
    • Material:
      A = aluminium
      B = brass (rectangular wg only)
      C = copper (rectangular wg only)
  • 90
    • Angle:
      30 = 30 deg (standard)
      45 = 45 deg (standard)
      60 = 60 deg (standard)
      90 = 90 deg (standard)

Notes
1) Bend angles between 0 and 180 deg available on request.
2) Flange and tube materials should match.

Micro-Twists

Micro-twist

A range of micro twists are ideal for applications where space is at a premium.

The machined micro twist is ideal for applications needing a 90 degree twist in polarisation in a small space. It is particularly useful at lower frequencies where the saving in weight and space can be significant. The machined twist typically covers half a waveguide band. Please contact our sales team for ordering information.

Taper transistions

Standard Rectangular to Rectangular

Taper transition diagram

Specification:
VSWR: Please refer to table
Material: Copper electroform or machined aluminium / brass fabrication
Finish: Blue paint, unplated (preferred for brass/ copper) / silver / iridite (preferred for aluminium) flanges

*** For 3 Digit Rectangular Flange part number, refer to the  Flange Catalogue, or consult our sales team.
***** For 5-digit non-standard part numbers speak to our sales team.
H = Half Height Waveguide
F = Quarter Height Waveguide
99 = Non Standard Waveguide Size

Standard Rectangular to Double Ridge

Specification:
VSWR: Please refer to table
Material: machined aluminium or brass fabrication
Finish: Blue paint, silver or chromated / iridited flanges

*** For 3 Digit Rectangular Flange part number, refer to the  Flange Catalogue, or consult our sales team.

 

Standard Double Ridge to Double Ridge

Specification:
VSWR: Please refer to table
Material: machined aluminium
Finish: Blue paint, chromated / iridited flanges

*** For 3 Digit Rectangular Flange part number, refer to the  Flange Catalogue, or consult our sales team.

Ordering information

Example: TT 16 A Q Z 402 402 402 402 B 40

  • TT
    • Product code:
      TT = taper transition
  • 16
    • Waveguide size:
      British WG size for rectangular waveguide or MIL spec. WRD size for double ridge waveguide
      e.g. 16 = WG16; 750 = WRD750
  • S
    • Type:
      S = Standard
  • Q
    • Paint:
      Q = TWS blue (preferred)
      B = black
      G = grey
  • Z
    • Finish:
      Z = unplated (preferred for brass / copper)
      M = passivate (option for brass)
      F = Iridite (preferred for aluminium)
      H = chromate
      A = tin
      B = silver
  • 402
    • Flange type (end1):
      Last 3 digits from the TWS flange part no.
      e.g. 402 = UBR flange
  • 402
    • Flange type (end2):
      Last 3 digits from the TWS flange part no.
      e.g. 402 = UBR flange
  • B
    • Material:
      A = aluminium
      B = brass (rectangular wg only)
      C = copper (rectangular wg only)
  • 17
    • Secondary waveguide size
      “British WG size for rectangular waveguide or MIL spec. WRD size for double ridge waveguide
      e.g. 17 = WG17; 750 = WRD750

 

For more details and prices please use the product enquiry form or contact our sales team.

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