TIANYU’s refining and petrochemical valves deliver unmatched performance in extreme temperature/pressure, corrosive/sour service, and abrasive media—compliant with API, NACE, and ASME standards. With 15–20 year service life, <0.3% annual failure rate, and zero leakage, these valves minimize downtime and safety risks for refineries and petrochemical plants worldwide.custom refining & petrochemical valves excel in high-temp/pressure resistance (up to 800°C/42 MPa), NACE-compliant corrosion protection, and API 6FA fire safety