Gate Valve, Bolted Bonnet, OS & Y, Stem Rising Through Hand Wheel. Flanged End Raised Face Acc to ASME B.16.5 Design, Dimension & Marking Acc to BS 1414 Mat: Body & Bonnet Acc to ASTM-A216 Gr. WCB Bolting: Studs Acc to ASTM-A193 Gr. B7, Nuts Acc to ASTM-A194 Gr. 2H Trim: 13% Cr., Class 150