1) Design Standard : ANSI B 16.34, API6D Face to Fance: API 6D & ASME B 16.10 Flanged Ends : ASME B16.5 & B16.47 Butt-Welding Ends: ASME B 16.25 Test & Inspection: API 6D & API 598 2) Size: 10"-28" DN250桪N700 3) Class: 150lb-2500lb 4) Temperature: -29-121 Tep 5) Body/bonnet: A105/ LF2 / F304 /F316 ECT.. 6) Seat: 13% Cr+PTFE/316+PTFE 7) /A105+ENP+PTFE 8) Disc: 13% Cr/316/A105+ENP 9) Stem: 13%Cr /316/304