... Standard API Spec 6A API 6A Gate Valve PN 2000psi~15000psi DN 2 1/16"~71/16" Material:AA BB CC DD ... HH Standard API Spec 6AAPI 6A Gate Valve PN 2000psi~15000psiDN 2 1/16"~71/16"Material:AA BB CC DD EE ... A216 WCB, A105, AISI 4130, Duplex SS Working Pressure (psi) 2M, 3M, 5M, 10M, 15M, 20M Material Class ... Main nominal size (in) 1-13/16,2-1/16,2-9/16,3-1/16,3-1/8,4-1/16For more informarion,please contact ...