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Global Invacom
Global Invacom Pressurisation Components (Kapton, Duroid, Quartz & Boron Nitride)
Product Code:
RW16-SZZ-402-402
Weight:
1.00 KGS
Request a quote at Contact@orbitalconnect.com or +1.888.218.9394
In general three types of pressure window are available:
- Glass reinforced PTFE windows and are suitable for pressures up to 40 psi. Windows for standard rectangular waveguide sizes have a VSWR better than 1.10:1 over the full waveguide bandwidth, or 1.05:1 over a 50% bandwidth. Double Ridge sizes have a VSWR better than 1.10:1 over an octave bandwidth, or 1.15:1 over the full frequency band
- Kapton windows are available for lower pressures (7 p.s.i.) and offer improved performance, typically better than 1.05:1 over the full waveguide bandwidth.
- Quartz windows are available for very high power or high pressure differential requirements (They are usually tailored to a customer’s particular requirements so please contact the factory for details).
Other specialised materials like Boron Nitride etc. are available upon request.
General
All pressure windows have a larger matching iris on one side - from which the window material is inserted. Although all windows can be used either way round, superior pressure handling will be achieved if this matching iris is installed on the high pressure side
Pressure windows should not be used with additional shims or gaskets as these can protrude into the matching iris and de-tune the window
Standard windows have plain faces without a sealing groove and can be supplied to mate with most common flange outlines.
Standard Rectangular
Kapton pressure windows
Specification:
The V.S.W.R. for all kapton windows between WG10 and WG22 is 1.065 : 1 (30dB)
Pressure: 7 p.s.i.
The thickness of the window is similar to the waveguide flange style chosen
PTFE Pressure Windows
Specification:
Pressure: 40 p.s.i. max
The thickness of the window is similar to the waveguide flange style chosen.
V.S.W.R.: see table below
| quency Band (GHz) | Waveguide Designation | Max V.S.W.R. | Average Power (cw) KW max | Power Peak KW max | ||
| UK WG | IEC R | E.I.A. WR | ||||
| 2.60 – 3.95 | 10 | 32 | 284 | 1.1 | 2.00 | 2,000 |
| 3.30 – 4.90 | 11A | 40 | 229 | 1.1 | 2.00 | 2,000 |
| 3.95 – 5.85 | 12 | 48 | 187 | 1.1 | 1.50 | 1,500 |
| 4.90 – 7.05 | 13 | 58 | 159 | 1.1 | 1.30 | 1,300 |
| 5.85 – 8.20 | 14 | 70 | 137 | 1.1 | 1.00 | 1,000 |
| 7.05 – 10.0 | 15 | 84 | 112 | 1.1 | 0.8 | 800 |
| 8.20 – 12.40 | 16 | 100 | 90 | 1.1 | 0.5 | 500 |
| 10.0 – 15.0 | 17 | 120 | 75 | 1.1 | 0.3 | 300 |
| 12.4 – 18.0 | 18 | 140 | 62 | 1.1 | 0.15 | 150 |
| 18.0 – 26.5 | 20 | 220 | 42 | 1.15 | 0.1 | 100 |
| 26.5 – 40.0 | 22 | 320 | 28 | 1.15 | 0.06 | 60 |
*** For 3 Digit Rectangular Flange part number, refer to the Flange catalogue or speak to our sales team.
Quartz pressure windows
Specification:
Quartz windows are available for very high power or high pressure differential requirements (They are usually tailored to a customer’s particular requirements so please contact our sales team for details).
The V.S.W.R. is typically 1.1 : 1 (26dB) over approximately 1/3 of a waveguide band - but this does depend on the thickness of the quartz, which is dictated by the pressure differential.
Double Ridge
Specification:
Material: glass reinforced PTFE
Pressure: 40 p.s.i. max
The thickness of the window is similar to the waveguide flange style chosen.
V.S.W.R.: see table below
| Operating Frequency Band (GHz) | Waveguide Designation | Max V.S.W.R. | Power Average (cw) W max | Power Peak KW max |
|---|---|---|---|---|
| 5.8 – 16.0 | WRD580 D28 | 1.15 | 250 | 20 |
| 6.5 – 18.0 | WRD650 D28 | 1.20 | 250 | 20 |
| 7.5 – 18.0 | WRD750 D24 | 1.15 | 250 | 20 |
*** For 3 Digit Rectangular Flange part number, refer to the Flange catalogue or speak to our sales team.
Ordering information
Example: RW 16 S Z Z 402 B
Gas inlet sections
For minimum effect on the waveguide run, the pipe connection should be through a small hole in the centre of the broad wall. However, the pipe can be through a larger hole on the narrow wall (although this may require some tuning of the waveguide).
Inlet sections can be integrated into other components e.g. bends or pressure windows.
Dessicant canisters
These components are intended for low volume atmospheric breathing systems. The canister is connected to the waveguide via an inlet section and is open to the atmosphere at the other end - so ensuring that the air entering the waveguide is dry when the system breathes.
The dessicant changes colour when it requires changing.
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Details
In general three types of pressure window are available:
- Glass reinforced PTFE windows and are suitable for pressures up to 40 psi. Windows for standard rectangular waveguide sizes have a VSWR better than 1.10:1 over the full waveguide bandwidth, or 1.05:1 over a 50% bandwidth. Double Ridge sizes have a VSWR better than 1.10:1 over an octave bandwidth, or 1.15:1 over the full frequency band
- Kapton windows are available for lower pressures (7 p.s.i.) and offer improved performance, typically better than 1.05:1 over the full waveguide bandwidth.
- Quartz windows are available for very high power or high pressure differential requirements (They are usually tailored to a customer’s particular requirements so please contact the factory for details).
Other specialised materials like Boron Nitride etc. are available upon request.
General
All pressure windows have a larger matching iris on one side - from which the window material is inserted. Although all windows can be used either way round, superior pressure handling will be achieved if this matching iris is installed on the high pressure side
Pressure windows should not be used with additional shims or gaskets as these can protrude into the matching iris and de-tune the window
Standard windows have plain faces without a sealing groove and can be supplied to mate with most common flange outlines.
Standard Rectangular
Kapton pressure windows
Specification:
The V.S.W.R. for all kapton windows between WG10 and WG22 is 1.065 : 1 (30dB)
Pressure: 7 p.s.i.
The thickness of the window is similar to the waveguide flange style chosen
PTFE Pressure Windows
Specification:
Pressure: 40 p.s.i. max
The thickness of the window is similar to the waveguide flange style chosen.
V.S.W.R.: see table below
| quency Band (GHz) | Waveguide Designation | Max V.S.W.R. | Average Power (cw) KW max | Power Peak KW max | ||
| UK WG | IEC R | E.I.A. WR | ||||
| 2.60 – 3.95 | 10 | 32 | 284 | 1.1 | 2.00 | 2,000 |
| 3.30 – 4.90 | 11A | 40 | 229 | 1.1 | 2.00 | 2,000 |
| 3.95 – 5.85 | 12 | 48 | 187 | 1.1 | 1.50 | 1,500 |
| 4.90 – 7.05 | 13 | 58 | 159 | 1.1 | 1.30 | 1,300 |
| 5.85 – 8.20 | 14 | 70 | 137 | 1.1 | 1.00 | 1,000 |
| 7.05 – 10.0 | 15 | 84 | 112 | 1.1 | 0.8 | 800 |
| 8.20 – 12.40 | 16 | 100 | 90 | 1.1 | 0.5 | 500 |
| 10.0 – 15.0 | 17 | 120 | 75 | 1.1 | 0.3 | 300 |
| 12.4 – 18.0 | 18 | 140 | 62 | 1.1 | 0.15 | 150 |
| 18.0 – 26.5 | 20 | 220 | 42 | 1.15 | 0.1 | 100 |
| 26.5 – 40.0 | 22 | 320 | 28 | 1.15 | 0.06 | 60 |
*** For 3 Digit Rectangular Flange part number, refer to the Flange catalogue or speak to our sales team.
Quartz pressure windows
Specification:
Quartz windows are available for very high power or high pressure differential requirements (They are usually tailored to a customer’s particular requirements so please contact our sales team for details).
The V.S.W.R. is typically 1.1 : 1 (26dB) over approximately 1/3 of a waveguide band - but this does depend on the thickness of the quartz, which is dictated by the pressure differential.
Double Ridge
Specification:
Material: glass reinforced PTFE
Pressure: 40 p.s.i. max
The thickness of the window is similar to the waveguide flange style chosen.
V.S.W.R.: see table below
| Operating Frequency Band (GHz) | Waveguide Designation | Max V.S.W.R. | Power Average (cw) W max | Power Peak KW max |
|---|---|---|---|---|
| 5.8 – 16.0 | WRD580 D28 | 1.15 | 250 | 20 |
| 6.5 – 18.0 | WRD650 D28 | 1.20 | 250 | 20 |
| 7.5 – 18.0 | WRD750 D24 | 1.15 | 250 | 20 |
*** For 3 Digit Rectangular Flange part number, refer to the Flange catalogue or speak to our sales team.
Ordering information
Example: RW 16 S Z Z 402 B
Gas inlet sections
For minimum effect on the waveguide run, the pipe connection should be through a small hole in the centre of the broad wall. However, the pipe can be through a larger hole on the narrow wall (although this may require some tuning of the waveguide).
Inlet sections can be integrated into other components e.g. bends or pressure windows.
Dessicant canisters
These components are intended for low volume atmospheric breathing systems. The canister is connected to the waveguide via an inlet section and is open to the atmosphere at the other end - so ensuring that the air entering the waveguide is dry when the system breathes.
The dessicant changes colour when it requires changing.
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