Our 3LB31 PIV chain is crafted for superior durability and reliability. It’s widely utilized in PIV drive units globally and effortlessly replaces common part numbers like P331, 3-31, and others. Constructed from high-quality alloy steels, this chain features a distinctive arrangement of pins and plates, with thin metal sections that move independently to enhance flexibility. This design ensures a precise fit with the grooves of conical wheels, which taper from the edge to the center, allowing for adjustable pitch diameters. For more information or to request a quote on our premium 3LB31 PIV chain, please reach out to our customer service team. We’re here to help!