Forged steel butt weld gate valve

Designing standard: ANSI b16.34; api602
The face to face dimensions conform to ANSI b16.10 connection size: Conform to ANSI b16.25(b. W) inspection and test: Api 598
Structure feature: P. S, os&y  
Material: Aisi or ASTM
Main material: A105;f5;f11;f22;304;304l;316;316l;lf2, etc