DIMENSIONS:
NPS1/2inch~24inch: ASME B16.5
NPS26inch~36inch: ASME B16.47
NPS 2″~36″
Bolted bonnet
Outside screw and yoke(OS&Y)
Rising stem and non-rising handwheel
Flexible wedge, fully guided
Metal-to-metal seat
Renewable seat ring and stem backseat
Manual operation standard, gear operator and actuation available
Flange end: Raised face or ring type joint
http://www.chasevalve.com