Unidirectional valves Series VNR
Ports of Thread version: M5, G1/8, G1/4, G3/8, G1/2, G3/4, G1
Dimensions of Tube/Tube version: Ø4, Ø6, Ø8, Ø10, Ø12
Dimensions of Tube/Tube version: Ø4, Ø6, Ø8, Ø10, Ø12
Series VNR unidirectional valves are available in the Thread or Integrated Fitting version.
Thanks to their construction they operate at low pressures.
Thanks to their construction they operate at low pressures.
General Data
| Valve group | Automatic valves |
| Construction | Poppet-type |
| Materials | Brass body stainless steel spring NBR/FKM seals (for version 6580) |
| Mounting | In any position |
| Dimensions thread version | M5, G1/8, G1/4, G3/8, G1/2, G3/4, G1 |
| Dimensions tube version | Ø 4, 6, 8 mm |
| Operating temperature | 0 °C ÷ 80 °C; NBR (with dry air -20 / +80 °C ) FKM (with dry air – 20 / +200 °C) |
| Medium | Filtered air without lubrication. If lubricated air is used, it is recommended to use ISO VG32 oil. Once applied the lubrication should never be interrupted. |
