Key Specifications / Features
This forged steel swing check valve, sized 3/4 inch (DN20), is rated Class 800 LB and built from ASTM A182 F316L stainless steel. It adopts socket weld ends for tight, leak-proof piping joints. Designed to prevent reverse flow automatically, it suits high-pressure corrosive service in oil, gas, and chemical pipelines. Clear body markings track batch and production information for full traceability. Its compact, robust construction delivers reliable, long-lasting performance under demanding working conditions.