Key Specifications / Features
Our 40-inch (DN1000) gate valves are built to API 600 standards. Made from ASTM A890 4A, these valves are rated at Class 600 LB and feature an OS&Y configuration with a flexible wedge and pressure seal bonnet for enhanced sealing performance. The design includes a screwed-in back seat, rising stem, and non-rising handwheel for easy operation. With a low-emission design, these RF flanged valves are ideal for demanding industrial applications, providing reliable flow control and long-lasting durability. As a leading gate valve manufacturer in China, we are committed to delivering top-quality products to meet your needs.