KITZ pneumatic ball valve in Kitazawa, Japan: the pneumatic internal thread ball valve is composed of double (single) action pneumatic piston actuator and internal thread ball valve. The valve body can be divided into integral type, two-stage type and three-stage type. The valve seat adopts elastic sealing structure, with reliable sealing and easy opening and closing. The valve rod adopts a bottom mounted structure with inverted seal. When the valve chamber is abnormally pressurized, the valve rod will not be impacted. The pneumatic piston actuator adopts low friction materials to make the bearing sleeve, and the inner and outer surfaces of the cylinder body are hard anodized for anti-corrosion treatment, which improves the service life of the cylinder. This product has stable performance and is widely used in petrochemical, metallurgy, electric power, light industry, medicine and other industrial departments
