Non-return valve in PVC Hidroten (female thread).
Viton O-rings
Spring operated.
The non-return or check valves allow the fluid to flow in only one direction of the installation, allowing to work without fluid in the other direction or to avoid situations of undesired emptying of the line.
Available in sizes from 1/2" to 3".
Working pressure: PN 16: 1/2"-2" / PN 10: 2½"-3".