Design Standard: BS1868
Pressure Range: 300LBS
Diameter: 6 Inch
Body Material: ASTM A216WCB
Bonnet Material: ASTM A216 WCB
Disc Material: ASTM A216 WCB+13 CR
End Connect: Flange RF
Technical Parameters and Characteristics:
Bolted cover
API 6D – full bore, BS 1868 – standard bore
Can be inside shaft or outside shaft
Outside shaft: could be mounted lever + counterweight
Large size of check valve could be mounted hydraulic damping cylinder