Profile: Zhejiang Kojo Valve Co., Ltd. manufactures industrial steel valves. Our valves have a broad range of applications in the power generation, chemical & petrochemical, oil & gas, pulp & paper, mining, and ship-building industries. We design, manufacture and market advanced technology steel valves in a broad range of types & sizes. Our products include various types of valves in different materials. They are manufactured according to internationally accepted standards such as API, ANSI, DIN, BS and JIS. Our products include a variety of cast steel gate, plug, cast steel globe, steel ball, cast steel check, butterfly, cast steel cryogenic, bellows, forged steel gate, marine, forged steel globe, check, ball and bellow sealed valves. Our cast steel gate valves are available in OS&Y, rising stem, flexible wedge, bolted bonnet, threaded and welded seat types. These valves are manufactured as per ASTM A216 WCB, A217 WC6, A351 CF8, A351 CF8M and A351 CF3 international standards. The anti-friction ball thrust bearing of the valve reduces friction between mating parts to ensure smooth operation. Grub screw secures yoke nut in the bonnet. Grease nipple supplies lubricant to the mating parts. Our pressure sealing swing check valves are available in pressure sealing cover and swing disc types. Its back up ring absorbs thrust applied by internal pressure. Thrust ring protects the soft metallic gasket from deformation. A unique gasket angular design is provided for superior sealing.