Home / Ductile Iron Products / LYE Ductile Iron Single Small Orifice Air Relief Valve PN16 LYE Ductile Iron Single Small Orifice Air Relief Valve PN16 Download Catalogue LYE – Single Small Orifice & Single Large Orifice Ver5.9.22 Colour: Blue (Fusion Bonded Epoxy Coated) Size: 1″ (25mm) Related products LYE Ductile Iron T-Pot Strainer PN16 LYE Ductile Iron Double Flange Concentric Type Butterfly Valve – Lever Operated LYE Ductile Iron Butterfly Valve PN16 – Wafer Type Ductile Iron Joints LYE Ductile Iron Cap C/W Chain for 100mm Pillar Hydrant LYE Ductile Iron Handwheel for Sluice Valve