Hitachi has been committed to the development and production of various gas valves since 1942. GOURD is based on the concept of casting perfect curve valves, and at the same time strengthens its surface treatment and enhances the flexibility of materials, so that the products can be used in various fields. Hitachi valves are used in natural gas, steam, chemical industry, steel manufacturing, fire protection, and fluid pipelines with various conditions, covering a wide range of applications.