Triple Duty Valves
Triple Duty Valves

Triple Duty® valves on your variable speed hydronic pumps

Norm Hall Monday Morning Minutes

Bell and Gossett triple duty valves have, for decades, provided a cost effective way to assure there is a non slam check, balance, and shutoff valve on the discharge of your hydronic pump installation. These valves are used to throttle excess head and, therefore, should not be oversized. B&G offers these installation friendly valves in traditional full port model (3DS-S) and in a reduced port version (3DS-B) [Read more…]

Strategies for Water Use Efficiency – Cooling Towers – Part II

Bob Van Goor Monday Morning Minutes

In this issue, we will discuss blow down and cycles of concentration. In addition to water emissions caused by evaporation and drift, cooling towers require blow-down to control the levels of dissolved minerals re-circulated in the cooling tower. These losses are offset or balanced by make up water to both maintain the level of water in the tower and more importantly, [Read more…]

A Great Way to Fill the Piping Systems – Cooling Tower Pumps and Piping – Part 9

Norm Hall Monday Morning Minutes

The Xylem Bell and Gossett manual TEH-1209 has a great detail for filling the tower water system piping. Many times the cooling tower pump is used to take water from the tower pan and fill the condenser and piping system. This can lead to pump problems due to the large flow rate of the pump compared with [Read more…]