ASME A112.1037 pdf download Performance requirements for pressurized flushing devices for plumbing fixtures 1 Scope 1.1 This Standard covers pressurized flushing devices (PFDs) intended to flush water closets, urinals, and otherplumbing fixtures and specifies requirements for materials, design, methods of operation, test methods.and markings. 1.2 in this Standard, “shall” is used to express a requirement, .e, a provision that the...