vpdd = Δp (qmax) Δp (qmin) where: vpdd=valve pressure drop decay Δp (qmax)=valve pressure drop at maximun flow Δp (qmin)=valve pressure drop at minimun flow Using the vpdd calculation, the control ...

Azbil will launch the digital mass flow controller model F4Q on August 18. The new controller features high-speed response and high accuracy.

August 2021 Choked Flow in Control Valves Choked Flow in Control Valves By Katherine Bartels, Adam Harmon Summary Choked flow in control valves is a subject of serious concern for industrial users.

Flow pressure drop across this orifice is used to shift a balanced spool against a control spring. This spool movement is used to maintain a constant pressure drop across the orifice, which in ...

Weir Flow Control’s prior acting president, David Paradis, will continue to lead Trillium and his prior management team in his new role as president and chief executive officer.