Years after an HVAC engineer starts to design closed-loop water systems and then progressively moves up the ladder of engineering success, he can forget and/or overlook many of the issues, concerns, ...

The systems evaluated are rated to handle pressures up to 15,000 pounds per square inch (psi), but were tested at 22,500 psi. Weir’s SPM® FSR system was undamaged by the rupture tests, which ...