Technician A says all pressure differential valves must be manually recentered after bleeding. Technician B says a recentering spring is used on some pressure differential valves. Who is correct?

Question

Quizplus · Accepted Answer

Technician B is correct. Some pressure differential valves have a recentering spring that automatically centers the valve after bleeding, so manual recentering is not required. Therefore, Technician A's statement is incorrect.

Technician a Says All Pressure Differential Valves Must Be Manually