1.General purpose Valve: A general name for a versatile valve, also known as a common valve. It is not a valve for a particular condition or purpose.Although there is no clear definition of the universal valve, but mainly refers to the pressure is less than 2MPa, manually operated globe valve, gate valve, check valve, butterfly valve and ball valve, valve shell

1.General purpose Valve: A general name for a versatile valve, also known as a common valve. It is not a valve for a particular condition or purpose.Although there is no clear definition of the universal valve, but mainly refers to the pressure is less than 2MPa, manually operated globe valve, gate valve, check valve, butterfly valve and ball valve, valve shell

1.General purpose Valve: A general name for a versatile valve, also known as a common valve. It is not a valve for a particular condition or purpose.Although there is no clear definition of the universal valve, but mainly refers to the pressure is less than 2MPa, manually operated globe valve, gate valve, check valve, butterfly valve and ball valve, valve shell