K1™ Domestic Gas
K1 Flow Rates
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Gas flow rates within a pipe system are affected by a number of factors including:
- Pipeline design – i.e. how many fittings and changes of direction within the pipeline system.
- Internal bore of the pipe
- Internal bore of the fittings
- Smoothness of the bore
Refer to AS 5601...The Gas Installation Australian Standard.
Pipe and Fittings Dimensions
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Size
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Pipe – OD
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Pipe – ID
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Fittings – ID
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|
DN 16
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16 mm
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11.9 mm
|
8.6 mm
|
|
DN 20
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20 mm
|
15.5 mm
|
12.1 mm
|
|
DN 25
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25 mm
|
20.0 mm
|
16.7 mm
|
|
DN 32
|
32 mm
|
26.1 mm
|
20.3 mm
|
| 
Flow Rates