Untitled Document Robertshaw Controls Co. and The U.S. Consumer Product Safety Commission in mid-September announced voluntary recall of Robertshaw R110 Series Gas Control Valves used in water heaters ...

In zone valve setups, a separate zone valve is installed in the pipe to or from each zone. In most installations, the zone valves are in the returns, where the water is cooler. The cooler temperatures ...

Feedwater control valves play a critical role in boiler operation. One important parameter of their design is the pressure drop at the rated condition as well as off-design conditions. However, ...

It takes a large number of control valves to run a power plant, and while some valves are more critical to plant operations than others, it always follows that when a severe service valve fails, the ...