has a wide range of application.
The constituting material follows the shape of the applied material.
(However, materials that can be polluted or corroded cannot be used)
The optimum of the pressure test is 10Hg.
The merit of rotary valve would be that it is hygienic, strong, simple,
and has outstanding measurement and shut tightness of the product. Rotary
valve is an essential device of petroleum chemistry and processing industry
to measure exactly and supply the amount of material needed.