The BEECO® Series GV-FXG-OSY is a Flanged x Grooved resilient seated OS&Y (Outside Screw and Yoke) gate valve. All flanged dimensions comply with ANSI B16.1, Class 125; Grooved dimensions comply with AWWA C606 Standard. The body, bonnet, and wedge (disc) are of high strength ductile-iron, ASTM A536, Grade 65-45-12. The wedge is encapsulated with EPDM rubber. The stem and bolts are of stainless steel.