4LB31 Replacement PIV Chain

Our 4LB31 PIV chain is engineered for exceptional durability and reliability, making it an ideal choice for PIV drive units worldwide. It seamlessly substitutes for standard part numbers like P431, 4-31, and others. Made from high-quality alloy steels, this chain features a unique design of pins and plates with thin metal sections that move independently, enhancing flexibility. This design ensures a perfect fit with the grooves of conical wheels, which taper from the edge to the center, allowing for adjustable pitch diameters. For more details or to request a quote on our premium 4LB31 PIV chain, please reach out to our customer service team. We�re here to assist you!