Flanged ends: ASME B16.5.
Thread ends: ASME B16.11
Socket welded ends: ASME B1.20.1

Test &inspection: API 6D, API 598, API 600.

Design Description:
1)Full port design
2)OS&Y Outside screw and yoke.
3)BB. Bolted Bonnet
4)Flexible wedge, Fully guided
5)Choice of solid or split wedge
6)Renewable seat rings
7)Forged T-head stem
8)Rising stem and non-rising handwheel

Design and manufacture: API 600, API 6D, ASME B16.34, BS 1868
Face to Face: ASME B16.