The needle valve is evolved from the globe valve, sometimes called the needle valve globe valve. The specific difference is that the disc of the needle valve is a sharp cone, which is inserted into the valve seat like a needle. The needle valve is a kind of valve that can be precisely adjusted. For

The difference of ball valve and globe valve is following:fluid resistance,structure,sealing face,operate type,maintain and applications field etc,ball have soft seated ball valve and metal seated ball valve,that’s depend on difference working conditions.