Performance Requirements for Temperature Actuated Mixing Valves for Plumbed Emergency Equipment (ANSI Approved: October, 2012)
These devices, including eyewash, eye/face wash, drench showers and combination units, are intended to be installed in systems that comply with ANSI Z358.1.
These devices shall consist of a hot water inlet connection, a cold water inlet connection, a mixed water outlet connection, a temperature controlling element and a means for adjusting the mixed water outlet temperature while in service. The device shall also have a means to limit the maximum outlet temperature under normal operating conditions. Provisions shall be made so that the temperature cannot be inadvertently adjusted.
A downloadable version of this standard is also available.