I am installing a new pipe line and would like to incorporate air release valves into the system. The problem is I don't know how often I need these valves.

Condensate Returing from the process is stored in a Vertical Tank kept below Groung Level. Can we use Air Compressor to push the condensate in to boiler. Since use of pump may form Cavitation.

What types of ball valves are there? Every project we do, we leave up to the mechanical contractor to supply the valves. All we tell him is to use ball valves (service is oil, water, emulsions).

Is Water Hammer the resultant "Noise" from the shock of acceleration of water? If so, Water Hammer is nothing more than vibration.

I am working for a client who has an evaporator operating under vacuum at 70mmHg which suffers from regular bumpovers. The liquor feed is a mixture consisting of nitric acid and water fed at approx 35