Features: Outside screw and yoke. Bolted bonnet. Stem/wedge connection meets api 600 pull test. Welded seat. Yoke integrated bonnet. Loose disc. Renewable seat rings. Rising stem and non-rising handwheel. Flanged ends. Butt-welded ends. Applicable standards: - steel valves ansi b 16.34 - face to face ansi b 16.10 - end flanges ansi b 16.5 - butt welded ends ansi b16.25 - inspection and test api 598
