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 Contact via WhatsApp Related products LYE Ductile Iron Y-Strainer PN16 LYE Cast Iron Key & Bar for Sluice Valve Duck Foot Bend Ductile Iron Joints LYE Ductile Iron Sluice Valve PN16 LYE Ductile Iron T-Pot Strainer PN16