API Standard Check Valve is an automatic unidirectional valve manufactured according to API specifications. Made from materials such as WCB, WC6, and stainless steel alloys, it prevents medium backflow and protects pumps, pipelines, and industrial equipment. Available in swing and lift types for different high-temperature and high-pressure applications.
Applications
API Standard Check Valve is widely used in petrochemical plants, power stations, oil & gas pipelines, chemical processing systems, steam systems, and industrial pump protection applications. It is commonly selected by EPC contractors, engineering companies, valve distributors, and industrial operators for reliable backflow prevention.
Core Features
1. API 594 Standard Manufacturing
Designed and manufactured according to API 594 standards, ensuring reliable performance in industrial pipeline systems.
2. Reliable Backflow Prevention
Automatically prevents reverse medium flow to protect pumps, compressors, and pipeline equipment.
3. Multiple Valve Types Available
Available in swing check valve and lift check valve designs to meet different installation and operating requirements.
4. ASME Dimensions & API598 Testing
Face-to-face dimensions comply with ASME B16.10, flange dimensions follow ASME B16.5, and inspection meets API598 requirements.
OEM & ODM Service
We provide OEM and ODM services including customized valve sizes, pressure ratings, materials, valve structures, flange standards, logos, nameplates, coatings, and packaging to meet various industrial requirements.
Quality Assurance
Each API Standard Check Valve undergoes strict material inspection, dimensional verification, pressure testing, and sealing performance checks before shipment. Material certificates, inspection reports, and third-party testing documents are available upon request.
Warranty Service
We provide warranty coverage for manufacturing defects under normal operating conditions, along with technical support and after-sales assistance to ensure stable long-term valve performance.
Shipping Service
API Standard Check Valves are packed in export-standard wooden cases with protective packaging to ensure safe international transport. We support sea freight, air freight, and customized logistics solutions with complete export documentation.