ZZKS Check valve swing type with butt-welding ends
Material: 16Mo3, X30Cr13Mo4-5, 10CrMo9-10 lub 14MoV6-3
Nominal pressure: PN 160
Nominal diameter: DN 65-250
Temperature range: 550°C
Working position: vertically / horizontally
Swing-type check valves as one-way type, prevents the pipelines and equipment against reverse flow of medium. They can be installed in horizontal and vertical position on the pipeline, paying attention on correct flow direction, that should be in accordance with marking on the body.
- Tests and requirements of valves acc. to PN-EN 12266-1:2003,
- Tightness class D acc. to PN-EN 12266-1:2003 (the other tightness class -on request also possible) (na życzenie klienta wykonujemy zawory na wyższe klasy szczelności),
- Face to face dimension acc. to PN-EN 558-1:2001,
- Quality certificate, depends on customer requirements acc. to PN-EN 10204:2005.
NOTE – in inquiry / order we’re asking for quoting the norm, type of facing, as well as medium and working parameters.