Bends (H & E plane)

The Rigid waveguide components include Precision Straight Waveguide, Precision and Compact Bends (E and H plane) and Precision Twists. Alternative designs for Twists, Bends and Straights to individual customer requirements... Read full description

SKU: Bends

Categories: Waveguides

Description

The Rigid waveguide components include Precision Straight Waveguide, Precision and Compact Bends (E and H plane) and Precision Twists. Alternative designs for Twists, Bends and Straights to individual customer requirements are available on request.

Download the specifications for all our available bends or view the range below.

Precision Straights

A range of standard length waveguide straights in a variety of materials. The high performance is based on the use of selected, sized, tube, careful assembly and selective tuning where necessary.

Precision striaght diagram

Standard Rectangular

Specification:
V.S.W.R: Values for through flanges only
Power: Values at F = 1.5 Fc
Material: Brass, Aluminium or Copper
Finish: Blue Paint, aluminium - iridited, unplated flanges

** Length in millimetres. Lengths up to 3 metres available as standard.
*** For 3 Digit Rectangular Flange part number, refer to the Flange Catalogue, or consult our sales team.

Double Ridge

Specification:
V.S.W.R: Values for through flanges only
Power: Values at F = 1.5 Fc
Material: Aluminium
Finish: Blue Paint, iridited aluminium flanges

** Length in millimetres. Lengths up to 3 metres available as standard.
*** For 3 Digit Rectangular Flange part number, refer to the Flange Catalogue, or consult our sales team.

Ordering information

Example: PS 16 S Q Z 402 402 B M500

  • PS
    • Product code:
      PS = Precision Straight
  • 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 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)
  • M500
    • Length:
      "M" length in mm (preferred)
      "I" length in inches
      e.g. M500 = 500mm

Bends

Precision Bends

The precision bends have been designed to offer the optimum performance based on an average length and bend radius. All bends are precisely assembled to ensure the highest performance.

Precision Bend diagram

Standard Rectangular

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

* E or H Plane bend (add "E" or "H"), when included in the above table, the dimensions refer specifically to either E or H Plane bends.
** Angle of bend in degrees. Standard Bends 30, 45, 60 and 90 degrees, alternative angles available on request.
*** For 3 Digit Rectangular Flange part number, refer to the Flange Catalogue, or consult our sales team. Machined or cast bends may be offered as an alternative.

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

* E or H Plane bend (add "E" or "H"), when included in the above table, the dimensions refer specifically to either E or H Plane bends.
** Angle of bend in degrees. Standard Bends 30, 45, 60 and 90 degrees, alternative angles available on request.
*** For 3 Digit Rectangular Flange part number, refer to the Flange Catalogue, or consult our sales team.

Compact Bends

A set of specifications has been provided to offer the minimum radius bend available for both "E" and "H" plane bends in the respective frequency range.

Compact bend diagram

Standard Rectangular

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

** Angle of bend in degrees. Standard Bends 30, 45, 60 and 90 degrees, alternative angles available on request.
*** For 3 Digit Rectangular Flange part number, refer to the Flange Catalogue, or consult our sales team. Cast Bends may be offered as an alternative option.

Double Ridge

Double ridge compact bend diagram

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

Ordering information

Example: PB 16 S Q Z 402 402 B 90 E

  • PB
    • Product code:
      PB = Precision Bend
  • 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:
      C= Compact
      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 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)
  • E
    • Type:
      E = E plane
      H = H plane

Unflanged step bends Bends

Unflanged step bends

This range was developed as a machined from solid replacement for cast bends - to avoid possible issues during brazing and with porosity

These step bends are machined from solid brass or aluminium.
They are available in 30, 45, and 90 degrees.

 

Ordering Information

Example: SB 16 90 E B

  • SB
    • Product code:
      SB = Step Bend
  • 16
    • Waveguide size:
      British WG size for rectangular waveguide or MIL spec. WRD size for double ridge waveguide
      e.g. 16 = WG16; 750 = WRD750
  • 90
    • Angle:
      30 = 30 deg (standard)
      45 = 45 deg (standard)
      60 = 60 deg (standard)
      90 = 90 deg (standard)
  • E
    • Type:
      E = E plane
      H = H plane
  • B
    • Material:
      A = aluminium
      B = brass

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 Twists 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 waveguide

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.

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