Product Information Material: Ductile Iron Select a Product Part NumberDescriptionSealNominal SizePipe OD C14VPainted Standard CouplingFKM4"4.50" C13BUBuna-N3"3.50" C115BUBuna-N1-1/2"1.90" C14BUBuna-N4"4.50" C125BUBuna-N2-1/2"2.875" C20EPDM10"10.75" C14EPDM4"4.50" C16BUBuna-N6"6.625" C24EPDM12"12.75" C13VPainted Standard CouplingFKM3"3.50" C18EPDM8"8.625" C20BUBuna-N10"10.75" C12BUBuna-N2"2.375" C12EPDM2"2.375" C16EPDM6"6.625" C18BUBuna-N8"8.625" C24BUBuna-N12"12.75" C13EPDM3"3.50" C115EPDM1-1/2"1.90" C12VPainted Standard CouplingFKM2"2.375" C125EPDM2-1/2"2.875"