Proportional Flow Control Devices, with Protection from Cross-Contamination via Hydronic Water, for ...
The purpose of the device is to control the flow of potable water based on the pressure of
hydronic water from a hydronic system. The device performs this hydraulically and has integral
cross contamination protection between the potable and hydronic water. This device is typically
installed in conjunction with a heat exchanger and a part of a hydronic system loop.
This device consists of a…
Flexible PVC Gaskets for Water Closet and Urinal Outlets
This Standard covers flexible polyvinylchloride (PVC) gaskets intended to seal the joints between water closets and urinals and sanitary drainage systems and specifies requirements for
materials, physical characteristics, performance testing, and markings.
Guide for the Investigation of Pumps for Oil-Burning Appliances
These requirements cover pumps that are intended to be used as part of oil-burning appliances or installed in fuel-oil piping systems serving such equipment. Oil-burning appliance pumps are classified as either automatic or power-operated.
These requirements apply to Photovoltaic Tracker systems intended for outdoor use with photovoltaic
modules and panels. These requirements cover electrical shock, fire of the tracker and mechanical
loading of the platform. The requirements do not cover the electrical output from the modules or panels.
