GA-30 Series is a glass tube area flow meter having the transparent pipe made to be not tapered but straight, which measured flow rate using the differential pressure between before and after the float after installing the orifice plate.

This product is widely used at general industrial sites because it can be easily installed and repaired and we can decide on the varied materials of not only the body but the float inside the product and tapered tube for applying to most of fluids (liquids and gases).