Swing check valve 640 AA • PN 63-160 (PD 18) • DN 50-300/250
Standard features
– Die-forged body
– Disc with inside shaft
– Fastening of the disc at the cover
– Available with flange and buttweld ends
Pressure and temperature ratings
– Pressure rating BW-Ends up to 233 bar (PD 18)
– Pressure rating FL up to 160 bar
– Temperature rating up -10 °C to 600 °C
Materials
– 1.5415
– 1.7335
– 1.7383