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Airflow Calculator

Air Flow Calculator

EN 12056 SYSTEM I - Filling Degree of 0.5 (50%)
Single Discharge System with Secondary Ventilated System

Branch Frequency
Factor (K)
Appliance Units DU (l/s) Total DU
Wash Basin 0.5
0
Bidet 0.5
0
Shower without plug 0.6
0
Shower with plug 0.8
0
Single urinal with cistern 0.8
0
Urinal with flushing vlave 0.5
0
Slab urinal 0.2
0
Bath 0.8
0
Kitchen sink 0.8
0
Dishwasher (household) 0.8
0
Washing Machine 6kg 0.8
0
Washing Machine 12kg 1.5
0
WC with 4.0 l cistern NA NA NA
WC with 6.0 l cistern 2
0
WC with 7.5 l cistern 2
0
WC with 9.0 l cistern 2.5
0
Floor Gully DN 50 0.8
0
Floor Gully DN 70 1.5
0
Floor Gully DN 100 2.0
0
Branch Total DU
0
Total DU required
Qww
0.00
Qww = (l/s)
Qc Continuous flow rate (l/s)
Qp Pumped water flow rate (l/s)
Qtot
0.00
Total water flow rate (l/s)
Branch Airflow requirement
0.00
SYS I: 1X Qtot
Studor Mini-Vent
7.5
l/s

 

Stack Calculation Levels DU (l/s)
Stack
0.00
Total
0.00
Qww = (l/s)
Stack Airflow requirement
0.00
l/s SYS I: 8X Qtot
         
The Studor System Airflow (l/s) Units Total Install Location
Studor Maxi-Vent 32 1
0
Top of stack
Studor Mini-Vent 7.5
0
From each branch
0
l/s (total air from Studor System)
Email Results

EN 12056 SYSTEM II - Filling Degree of 0.7 (70%)
Single Discharge System with Secondary Ventilated System

Branch Frequency
Factor (K)
Appliance Units DU (l/s) Total DU
Wash Basin 0.3
0
Bidet 0.3
0
Shower without plug 0.4
0
Shower with plug 0.5
0
Single urinal with cistern 0.5
0
Urinal with flushing vlave 0.3
0
Slab urinal 0.2
0
Bath 0.6
0
Kitchen sink 0.6
0
Dishwasher (household) 0.6
0
Washing Machine 6kg 0.6
0
Washing Machine 12kg 1.2
0
WC with 4.0 l cistern 1.8
0
WC with 6.0 l cistern 1.8
0
WC with 7.5 l cistern 1.8
0
WC with 9.0 l cistern 2
0
Floor Gully DN 50 0.9
0
Floor Gully DN 70 0.9
0
Floor Gully DN 100 1.2
0
Branch Total DU
0
Total DU required
Qww
0.00
Qww = (l/s)
Qc Continuous flow rate (l/s)
Qp Pumped water flow rate (l/s)
Qtot
0.00
Total water flow rate
Branch Airflow requirement
0.00
SYS II: 2X Qtot
Studor Mini-Vent
7.5
l/s

 

Stack Calculation Levels DU (l/s)
Stack
0.00
Total
0.00
Qww = (l/s)
Stack Airflow requirement
0.00
l/s SYS II: 8X Qtot
         
The Studor System Airflow (l/s) Units Total Install Location
Studor Maxi-Vent 32 1
0
Top of stack
Studor Mini-Vent 7.5
0
From each branch
0
l/s (total air from Studor System)
Email Results