Application isolation features / benefit os A versatile wedge design is offered, With options for either a solid or split wedge port design renewable Burnished stem with seat rings and integrated seat rings designed for minimal operating torque; pressure seal bonnet or welded bonnet available upon request for enhanced performance pressure ansi class / rating 150#, 300#, 600# design standard api 600, Bs 1414 evaluating standard application programming interfaces 598, Iso 5208 f to f conventional ASME B specification16. 10 15 millimeters in size to 600 mm materials body WCB, CF8, CF8M, Hastelloy, Super duplex, Alloy 20, LCB, And trim 13% Cr, Stellite etc ends flanged termination, Butt fusion end operation mannual, Pneumatic, Electric