ZBFA72 series vacuum negative pressure safety valve

1 For negative pressure systems: When the negative pressure in the negative pressure container system exceeds the allowable value, the valve automatically opens and sucks in air; when the negative pressure drops to the specified value, the valve automatically closes to protect the safety of the equipment, container and system. run.

2 For normal non-negative pressure systems: various corrosive media containers, such as absorption towers, distillation towers, storage tanks, tanks, etc., when steam is introduced for cleaning, if the relief valve is not opened and the steam condenses and generates negative pressure, Installing equipment ensures its safety.

For information on main parts materials and connection dimensions, you can contact us directly. If your working conditions are special, our valve professional technicians will accurately select the valve for you based on actual conditions.