Sioux Chief 869-S3AS is a backwater valve designed to protect drainage systems from sewage backup. This valve works by installing in horizontal drainage lines, which helps prevent damage to properties. It features a stepped design to facilitate effective flow through the valve body. The flapper is removable and aligned using a key-to-slot mechanism, ensuring proper installation. The sealing surface allows unidirectional flow and is constructed to withstand various conditions. This design is adaptable to shallow or deep-bury installations, compliant with ASME A112.14.1-2003 standards.
Constructed from ABS material
Compatible with three and four inch Schedule 40 pipes