The valve features a full port bore for minimal pressure drop, OS&Y rising stem design for visual position indication, and manual handwheel operation. Markings : Warren Valve logo, 1 1/2, 300, CF8M on body; G-300, CF8M on yoke; 200-28, Open/Shut arrows on handwheel; B8 or 8Y on hardware; 6 on stem end and one seat side, TC on other seat side.
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