8" RIV Cast Iron Knife Gate Valve - Unidirectional - Double Acting Pneumatic Actuator - AGRI Standard and ANSI 150 - RIV133This 8" RIV Cast Iron Knife Gate Valve features a unidirectional design and a double acting pneumatic actuator, making it an efficient and reliable choice for agricultural and industrial applications. It meets both AGRI Standard and ANSI 150 standards, ensuring high quality performance. To suit ANSI 150 and AGRI Standard Square Flanges 4 Hole Cast Iron Body Stainless Steel Blade NBR Gaskets Fully Enclosed for Safety Double Acting Pneumatic Actuator