Butterfly valve is a simple structure of the control valve, can be used for low pressure pipeline medium on/off control, butterfly valve is by closing the disc, rotating around the valve shaft to open and close the valve.
The classic drawstring design is very convenient for you to carry and close the bag,100% cotton fabric let the bag more eco-friendly.The bag can load the dirty clothes or be washed with your dirty clothes together.Our bag can be used in many fields like:h