SC Boiler Installation Practice Questions - South Carolina Boiler Installation Contractor Examination Exam

A lockable gate valve may be installed between the boiler and the valve if it is sealed open No shutoff of any description shall be placed between the safety or safety-relief valve and the boiler, or on the discharge pipe to atmosphere A full-port ball valve is required on the discharge so the valve can be isolated for testing A check valve is required on the inlet to prevent backflow