YAAO ball valves

YAAO.Founded in 1991 and headquartered in Shanghai, China, YAAO is a professional valve manufacturer with strong capabilities. The company operates a 40,000-square-meter factory, has a registered capital of 150 million yuan, and employs over 300 staff members, including more than 40 engineering and technical personnel. Equipped with over 200 machine tools and sets of equipment, YAAO has an annual production capacity of more than 600,000 sets of valves. In terms of quality management and certification, YAAO has successively obtained ISO 9001 Quality Management System certification from DNV (Det Norske Veritas), ISO 14001 Environmental Management System certification, ISO 45001 Occupational Health and Safety Management System certification, ISO 15848 Low Leakage certification, TA-LUFT certification, EU CE/PED certification, SIL Functional Safety Certification, the National Special Equipment Manufacturing License (TS A1 Class), American Petroleum Institute (API) Spec Q1 System Certification, as well as API 602 and API 6D product certifications, establishing a comprehensive and authoritative certification system. The company primarily manufactures various steel ball valves, gate valves, check valves, globe valves, and needle valves that comply with international and domestic standards such as American ANSI, Japanese JIS, German DIN, British BS, French NF, and Chinese GB/JB. The product specifications cover a wide range: nominal diameters from 3/8“ to 48” (8 mm to 1200 mm), pressure ratings from 150 lb to 2500 lb (PN 1.0 to 42 MPa), and operating temperature ranges from -196°C to 815°C. Drive methods include manual, gear-driven, electric, pneumatic, and hydraulic. The valves are available in a wide variety of materials, including carbon steel, low-temperature steel, stainless steel, alloy steel, Monel, Hastelloy, Inconel, and aluminum bronze, among dozens of other materials, making them suitable for harsh operating conditions such as extreme high and low temperatures and corrosion. YAAO has established a comprehensive quality management system and is equipped with advanced processing and testing equipment, including material inspection, non-destructive testing, process inspection, pressure testing, plasma surfacing of sealing surfaces, high-precision grinding, heat treatment, and CNC turning, milling, boring, and grinding machines. The company has also introduced flexible automated production lines, which enhance production efficiency while ensuring product consistency and reliability. The company’s products are not only widely used in the domestic market but are also exported to numerous countries and regions across Europe, the Americas, Southeast Asia, and the Middle East. Its main product lines include gate valves, globe valves, ball valves, butterfly valves, cryogenic valves, and high-temperature valves, forming a comprehensive product portfolio that covers both standard and specialized operating conditions.