You are here:
News
News
Water Hammer Formula 2010-10-25
A formula for calculating the minimum closing time of a butterfly valve to prevent water hammer?I have a vague recollection of there being such a beast but cannot find any references
The transmitter and valve as a 1oo2 trip architecture query 2010-10-25
A transmitter and its signal will be used as a second shutdown input with 1oo2 voting and the control valve will be used as a second shutdown mechanism.
Twin MAF readings to the ECU 2010-10-25
The first throttle, which would be an OBDII (with the integrated TPS) would handle all the closed loop, low rpm acceleration, and most of the daily driving duty.
Butterfly valves for flow balancing through parallel chiller circuits 2010-10-22
how butterfly valves will perform as good as DRVs ( double regulating valves) in flow balancing through parallel chiller(er) water circuits.The butterfly valve I had is 10 diameter.
Butterfly valves to match flange types 2010-10-22
The valve installed is a Euro Manu'f. valve based on the manu'f. valve "Data Tag". DN 100 translates as 100mm valve - 3.937" close enough to 4".
Plug valve vs. butterfly valve for manual balancing 2010-10-22
Butterfly valves have a huge Cv for their size. Thus they have a reputation for having a quick-open characteristic.
Triple eccentric butterfly valves 2010-10-22
Triple eccentric means First eccentric is the offset between the shaft centre line and the disc trunnion centre line.
Double arrangement/48-inch butterfly valves 2010-10-22
A double block and bleed is a different valve arangement. It is typically used to prevent backflow in case of some type of equipment failure.
