I was recently asked to investigate a loss of capacity problem with a drinking water pumping facility. I found two split case pumps with a shop drawing capacity of 800 GPM @ 214 feet each.

We are looking at using compressed air to remove liquid from a transfer line. I'm having some problems working out how much air we will require for this (and hence whether it will work).

We have a few ball check valves with SW ends. The valve body and the piping are heat treated after welding. Now the check valves seem not seal. Would anyone advise the acceptance criteria for the leak

can some one advce about the FE testing tools, if we want to carry a test what sort of tools & equipment required?

I need a food grade (hygienic) 3-way control valve. So to Split ONE flow in TWO flows; 0 - 100% adjustable. Can you suggest some good manufacturers? Types?

My European affiliates have asked several times for Zeta values. It is supposed to be some sort of flow restriction index, but unlike the inverse of a Cv value, Zeta can be the same value for differen

I am Electrical engineer looking for some hydraulic/mechanical advice on convenience of implementing pressure control by VFD in (3) 40 HP vertical turbine pumps.

I'm about to purchase several solenoid valves (will be used as an ON/OFF valve). My questions are: 1. can someone inform me more on the solenoid valve. i.e. why we use it, when to use it and when shou