永一阀门集团有限公司

Yongyi Valve Group Co., Ltd. was established in 1984. The industrial park covers an area of 96,000 square meters, with a registered capital of 100.18 million yuan. In 2021, the production of safety valves reached 250,000 units. The company possesses over 500 sets of specialized equipment, including modern intelligent processing centers, (robotic) gantry manipulators, CNC machine tools, and conventional machine tools, as well as an extra-large vertical lathe capable of processing diameters up to 3.5 meters. It is equipped with specialized facilities for metal material physical and chemical testing, mechanical performance testing, ultrasonic thickness measurement, non-destructive testing, spectral analysis, metal heat treatment, safety valve full-performance testing centers, and spring tension and compression testing.
Yongyi Valve Group Co., Ltd. primarily produces more than a dozen varieties and over 2,000 specifications of valves, including safety valves, butterfly valves, ball valves, gate valves, globe valves, and non-standard valves. These products can be designed and manufactured in accordance with ANSI, API, DIN, BS, JIS, and GB standards. The main materials used for valve bodies include WCB, WC1, WC6, WC9, ZGCr5Mo, ZG15Cr1Mo1V, CF8, CF8M, CF3, CF3M, 12CrMoV, ZG1Cr18Ni9Ti, ZG1Cr18Ni12Mo2Ti, among others. Drive methods include manual, worm gear, electric, pneumatic, hydraulic, and electro-hydraulic linkage. The nominal diameter ranges from DN10 to 3000 and 1/2 inch; working pressure ranges from 0.6 to 42.0 MPa and 150Lb to 2500Lb; working temperature ranges from -196°C to 700°C. The products are widely used in industries such as power plants, boilers, petroleum, chemical engineering, urban construction, pharmaceuticals, fertilizers, metallurgy, and mining. Some products have replaced imports and are applied to key equipment in national key engineering projects.
Yongyi Valve, Yongyi Safety Valve, Yongyi Valve Group, China Yongyi Valve—we welcome both new and existing customers to visit our company for guidance and inspection!