İgdaş İstanbul Gas Project Rules

İgdaş İstanbul Gaz Dağıtım A.Ş.. Provinces served: İstanbul. Rules: read from the company code

Calculation rules

Service box → meter loss limit	1 mbar
Meter → appliance loss limit	0.8 mbar
Velocity limit (low pressure)	6 m/s
Friction loss, steel	formula at all flows (23.2·R·Q^1.82/D^4.82, R = 0.6)
Efficiency in appliance flow	90% at 70 kW and above
Isometric angle	30°

Code source

İGDAŞ Doğal Gaz İç Tesisat Teknik Esasları 2017, madde 4.3–4.4 (s. 17–25)

How to select it in GazPlan

Open the app and choose İstanbul as the province in the wizard or project panel; İgdaş İstanbul Gaz Dağıtım A.Ş. is selected and the calculation uses these rules. Open the app

For information only; the distribution company's current code applies to projects.