In practice of TOTAL(Franch) company explained that butterfly valve is commonly used in low pressure gas lines,but not indicated which pressure is defined as low pressure.if everyone have any experience,pls share here.
also,I have a gas stream which the pressure in upstream and downstream of...
I want to know a brief description for shut off pressure of control valve which is located on pipeline in inlet of plant.
I found two description from other members,please let me know which of them is correct:
1-Line hydrotest pressure is 1.5 times design pressure. For cases like tube rupture...
