Casing Head and Casing Head Spool Wellhead Equipment Well Control Equipment. Wide Pressure Range: Working pressure spans from 2,000 Psi to 15,000 Psi for diverse drilling needs. Versatile Bottom Connections: Bottom connections available as threaded, slipped-on, or welded options. Customizable Design: Customized design is available to meet specific project requirements. Optional VR Thread: VR thread is offered as an optional feature for enhanced versatility. Studded Outlet Option: Studded outlets are available upon request in addition to standard threaded outlets. Simple Installation: Features simple installation with adjustable orientation and two seals on the connection. Seal Test Port: Seal test port is available for welded casing head housing seam hydro test.