WEY Valve offers several styles of High Performance Knife Gate valves to meet your needs. We will help you select the correct valve style for your application based on your process conditions and system needs. Standard materials of construction range from Cast Iron to Titanium. We offer designs for 150 psi CWP (cold working pressure), 300 psi CWP, and up to 1440 psi CWP. Virtually all popular actuators and accessories are available WEY Home Page