ASME A112.14.1-2003

• Valves can be adapted for shallow or deep-bury installations Modular valve design allows for interchangeable accessories Structurally rugged and molded from tough, engineered resins

Sioux Chief 869 Series ProCheck backwater valves shall be used where necessary in drainage systems. Backwater valve shall be installed in horizontal drainage lines to reduce or prevent damage to dwelling from sewage back-up. Backwater valve shall have a stepped design to provide adequate fall through the valve body and encourage flow. Flapper shall install into valve body via removable carrier, which utilizes key-to-slot fit to ensure proper alignment. Flapper shall have a permanent, one-piece sealing surface and allow unrestricted, unidirectional flow. Valve body shall be sealed by an impact/solvent-resistant lid with O-ring. Backwater valve shall be adaptable to either shallow or deep-bury installations. Designed in accordance with ASME A112.14.1-2003.