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Multiple VFD Pumps to Common Header 2010-12-16
I have an application where I have 4 variable speed pumps that can supply feedwater to a common header that in turn feeds up to 4 industrial boilers.
2010 requirement for Relief valve on all Wet systems 2010-12-16
The 2010 edition of NFPA 13 has section 7.1.2.1, which states 'Relief valves will be required on all wet pipe systems that do not have auxilary air reservoirs. Previously, they were only required on g
Pressure Surge 2010-12-16
I've got a liquid pipeline fed by centrifugal pumps. Following a surge event (outlet ESD valve rapidly closed, pumps left running), is it possible for the line to have a final or settle-out pressure
Hydraulic Fittings And Hose Fittings of The Relevant Knowledge 2010-12-14
Control elements (ie all kinds of hydraulic fittings valves) in the hydraulic fittings system to control and regulate fluid pressure, flow and direction.
Reducing Valves Operation 2010-12-14
Reducing valve operation is controlled by high pressure at the valve inlet and the adjusting screw on top of the valve assembly.
Managing Water Loss with Pressure Reducing Valves 2010-12-14
A standard pressure reducing valve (PRV) is familiar to most users worldwide. For a utility that is undertaking pressure management and establishing DMAs, this is often an excellent selection.
Xylene or Toluene Octane Boost? 2010-12-13
I have found multiple "Homebrew Racegas" articles. The majority recommend Toluene as an aromatic. Xylene is also listed and has similar properties.
Billet cylinder head 2010-12-13
I am looking for advice on material selection. I am designing a one-off prototype aluminum cylinder head for a 2.4 litre, liquid cooled 4-cylinder inline four stroke engine with pushrods and two valv
