OST VALVE ball valves

OST VALVE.Founded in 1997 and headquartered in Wenzhou, Zhejiang Province, China, OST VALVE is a professional manufacturer of automatic control valves with nearly three decades of extensive experience. The company’s headquarters covers an area of 13,200 square meters, while its branch factory spans 20,000 square meters. With large-scale, specialized R&D and production capabilities, it is a fully accredited and certified enterprise in the industry, having obtained the National TS Special Equipment Certification, ISO 9001 Quality Management System Certification, API 607 Fire-Resistant Certification, GB/T 28001 Occupational Health and Safety Certification, and ISO 14001 Environmental Management System Certification. OST VALVE strictly adheres to international standards (ISO), American standards (API), German standards (DIN), British standards (BS), and Chinese national standards (GB), ensuring that our products meet regulatory requirements in multiple regions worldwide. Valve body materials include WCB, LCB, C5, WC6, WC9, C12, CF8, CF8M, duplex stainless steel, super duplex stainless steel, nickel-based alloys (such as MONEL and INCONEL series), 20 alloy, and aluminum bronze, among other grades, capable of withstanding complex operating conditions such as high temperatures, high pressures, and corrosive media. Our main product lines include: telescopic plug valves, double-seal guide rail valves, double-disc gate valves, rail-mounted ball valves, high-temperature coking two-way/four-way ball valves, split-body ball valves for coal chemical applications, ball valves, gate valves, four-way valves, temperature control valves, isolation valves, rail-mounted ball valves, pneumatic actuators, and high-temperature, high-pressure control valves. Leveraging its deep manufacturing heritage, comprehensive certification system, and rigorous quality control, OST VALVE is committed to providing highly reliable, long-lasting automated valve solutions for demanding operating conditions in the petrochemical, coal chemical, power, and metallurgical industries, helping industrial processes achieve safe, stable, and efficient automated control.