I saw In Daniel Orifice Document “ Retrofit To Soft Seat Material”. What is the limitation and advantages of Soft Material?
Soft seat Senior Orifice Fittings are intended for clean tariff gas only and NOT for the production environment.
The soft seat does not require the use of a grease port and sealant. The retro-fit kits are limited in availability and require a consultation with the factory prior to ordering.
Khadra Helminski
In reply to Gerard H:
Thanks Mrs. Helminski
It's mean, I can not use it for Sure Gas?
In reply to Jim Cahill:
Mohsen,
You are correct. You can't use soft seat Senior Orifice Fittings for sour gas as the soft seat is not intended for sour gas applications. You can only use it for clean and dry tariff gas with less than 5PPM H2S and less than .5% CO2. The online sizing program / orifice flow calculator is a free tool for estimation purposes only and does not guarantee the user any exact or more precise calculations that would come from the likes of the Flow Consultant or Flowell Sizing programs Daniel uses for sizing calculations.
The online sizing program assumes the gas is single phase, so H2S should not affect anything (in terms of estimation) as long as the other parameters (e.g., specific gravity, temp, pressure, etc.) are correctly specified.
In reply to Khadra Helminski: