Key Specifications / Features
This forged steel lift check valve adopts bolted bonnet construction for small-bore, high-pressure piping, sized at 3/4 inch and rated ASME Class 800. Its body is made of normalized ASTM A105N forged carbon steel, with W01 as the internal trim code. A cast flow arrow shows the permitted flow direction to block fluid backflow. YSH2509 serves as the traceable batch code, while 251025 is the factory date stamp. Both socket weld ends are fitted with red protective caps against rust. It follows API 602, ASME B16.34, and MSS SP-25 for stable non-return service in industrial pipelines.