There are several valve device, according to their different nature, different devices during the operation, its working state is not the same. DETAILED valve-operating state as shown in Table 2
There are many valves in the equipment, depending on the nature of their work, the operating period of the equipment is different, their working status is not the same. Specific valve operating status as Table 2
There are many kinds of valves in the equipment. According to their different working properties, different operation periods and different working conditions. See Table 2 for specific valve working status