Pap-Flon Engineering Co. Pvt. Ltd. Offers Fabricated Stirrers with Double Propeller. Pap-Flon Engineering Co. Pvt. Ltd. Manufactures Lined Carbon Steel and Stainless Steel fabricated Components with fluoro polymer resins. The Fabricated Stirrers with Double Propeller has Double Propeller [one propeller straight and second twisted at 45° angle] with Hest alloy "B" or "C" sleeve for stuffing box / mechanical sealing purpose of gland portions, as per client`s requirements.