What Water Shutoff Valves Do. Water shutoff valves are fittings used in plumbing, which can control anything from individual fixtures such as faucets and toilets, to your home's entire water system.

There are three general types of isolation valves (so named for their ability to isolate media): rocker, diaphragm, and pinch valves. They are commonly used in many types of medical applications ...

There are different types of power assemblies that can be used on the body of an expansion valve. One of these types is the maximum operating pressure (MOP) . . . Although they all are designed to ...