Home / Ductile Iron Products / LYE Ductile Iron Double Large Orifice Air Relief Valve With Integral Isolating Valve PN16 LYE Ductile Iron Double Large Orifice Air Relief Valve With Integral Isolating Valve PN16 Download Catalogue LYE – Double Orifice Standard Kinetic Air Valves Ver5.9.22 Colour: Blue (Fusion Bonded Epoxy Coated) Size Choose an option50mm80mm50mm80mmClear Related products LYE Ductile Iron Cap C/W Chain for 100mm Pillar Hydrant LYE Ductile Iron Handwheel for Sluice Valve LYE Ductile Iron PE Quick Flange Adaptor PN16 LYE Ductile Iron Sluice Valve PN16 LYE Ductile Iron Butterfly Valve PN16 – Wafer Type LYE Cast Iron Key & Bar for Sluice Valve