Ball check valve, Ductile Iron EN-J1030 (GGG 40) PN 16.
Ball check valve for water, sewage and media with sludge.
The body has a machined seat to reach a good tightness
at a low differential pressure. The ball is made of steel and
covered by vulcanized NBR. The valve has a full bore and a
very low pressure drop. Threaded connection PN 16.