The 81X chain is a type of conveyor chain that is commonly used in heavy-duty applications, such as in the forestry, agriculture, and mining industries. This chain is manufactured by HZPT, a company that specializes in the production of power transmission components, including conveyor chains.

The 81X chain features a pitch of 2.609 inches and a width of 1.500 inches, and is available in a range of lengths and configurations. The chain is constructed from high-strength carbon steel and is designed to withstand heavy loads and high-impact applications. The chain links are heat-treated for added strength and durability, and are designed to provide a low-friction surface to reduce wear.

The 81X chain is typically used in conveyor systems, where it is used to transport heavy or bulky items. It is often used in applications such as lumber handling, mining, and agricultural equipment. The chain is designed to provide reliable and efficient operation, even in harsh environments.

HZPT offers a range of accessories and attachments for the 81X chain, including sprockets, flights, and attachments. These accessories can be used to customize the chain to specific applications and requirements, allowing for maximum efficiency and performance.

In summary, the 81X chain from HZPT is a heavy-duty conveyor chain that is designed for use in harsh environments and heavy-load applications.