As a leading producer of API 6D swing check valves in China, our offerings adhere to ASME B16.34 standards. Our comprehensive range covers sizes from 2 to 36 inches, accommodating pressure ratings of 150-2500 LB. Crafted from cast carbon, alloy, and stainless steel, our swing check valves feature a full open piggable design, providing versatility in various applications. They are available with RF or BW ends, ensuring reliable performance and ease of installation.