Valve, Non Return Valve, Material PP Inner Disk: Dutral, PP Inner Disk: Dutral, Nominal Outer Diameter 12 / 13 / 15mm, Vally Outer Diameter 9.5 / 12mm, Tapered Connector Tubes Diameter 9.5 / 12mm, Plastic, Polypropylene (PP)

NON-RETURN VALVE.
Prevents water back-flow when pressure falls.
Useful for any tubing system and vacuum line.
Maximum safe working pressure: 2 BAR (equal approx 28.4 P.S.I.).
Minimum safe working pressure 0,07 BAR at room temperature (20°C)..
MATERIAL.
PP INNER DISK: DUTRAL