API 6A Slab Gate Valve PN 2000psi~15000psi DN 2 1/16"~71/16" Material ... DD EE FF HH Standard API Spec 6A API 6A Valve Gate Valve The body and flanges are integral (non-welding). Shot ... Blasting for every parts of valve. Phosphating to improve corrosion resistance.Feature:Hydraulic actuator installed on ... , etc.Medium:Oil,Gas,Water,etc API 6A Wellhead Gate Valve, 6A Valve