Check valve, type PA-4020

DN 200 - 1000, pressure: PN 10, flange connection: PN 10, face to face according to EN 558-1/14 (F4),

seat: EPDM or NBR, with internal damper

PA-4020.122: body/disc: GGG-50 EKB, PN 10

PA-4020.222: body/disc: GGG-50 EKB, PN 16