Historical
ANSI/ASME A112.14.1-2003 (R2008)
Backwater Valves
This Standard establishes requirements for dimensions, performance requirements, connections, materials and finishes, testing, and marking of backwater valves.Types of backwater valves covered in this Standard include horizontal backwater valves, combination horizontalbackwater valves and manual gate valves, terminalbackwater valves, combination floor drains withbackwater valves, vertical or 90 deg backwater valve,and related products.
Content Provider
American Society of Mechanical Engineers [asme]