32
Type C13
Play Entry 20
The minimum length permitted for horizontal coaxial pipes is 1 meter excluding the first elbow.
The maximum permitted length of horizontal coaxial pipes 100/60 mm is 7 meters, including the first elbow.
For each straight pipe added having 1 meter length, the maximum allowed length must be decreased of 1 meter.
For each 90° elbow added, the maximum permitted length must be decreased by 1.5 meter.
For each 45° elbow added, the maximum permitted length must be decreased by 1 meters.
The wall terminal maximum permitted length decreases by 1.5 meters.
The air suction must have a slope downwards of about 1 % in the output direction to prevent the entering of rainwater.
Type C33
Play Entry 20
The minimum permitted length of vertical coaxial pipes is 1 meter.
The maximum permitted length of vertical coaxial pipes 100/60 mm is 7 meters
.
For each straight pipe added having 1 meter length, the maximum allowed length must be decreased of 1 meter.
For each 90° elbow added, the maximum permitted length must be decreased by 1.5 meter.
For each 45° elbow added, the maximum permitted length must be decreased by 1 meters.
The roof outlet configuration decreases the maximum permitted length by 1.5 meters.
3.2.6.2. Air suction / fumes exhaust coaxial pipes with 100/60 mm diameter
These values refer to air suction/fumes exhaust consisting of original rigid, smooth piping provided by the
manufacturer.
