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Has anyone used switches for foam detection in wastewater successfully? Ameritrol advertises that there LX series can be used for foam detection but they are unable to provide any case studies or references.

I have the following scenario where I am trying to find the proper way to do a TDH calculation for a pump when it is in reversed direction with suction from a common header. I have four tanks each with their own reversible rotary lobe pump with a 10" pipe on the inlet & outlet of the pump. The...

When it comes to valves and calculating the TDH for a pump, are there two different pressure drops you need to find? The pressure drop caused by friction (K factor) and the pressure drop caused by flow separation (Cv factor)?

I have a new home being built and the builder has used both plywood and GP Densglass Silver in other areas. Why a combination of both? Is one better then the other?

My search on the net has not yielded any suppliers who carry Sch 120 PVC pipe & fittings, they're all Sch 40 & 80. Does anyone know a supplier of Sch 120 PVC pipe & fittings?

Hello, I am looking for the formula(s) to use to find the flow rate of water from a tank to another tank under gravity. Diameter of the first feed tank is 86". Height of water in feed tank will be constant @ 68". The height to the center of the outlet drain is 33.25" and the diameter is 4"...

Can anyone provide information about Plunger valves and the merits to use them over butterfly valves for rapid tank drain? Who are the biggest manufacturers of Plunger valves?

Can someone provide a formula to estimate the amount of time it would take to drain a small reservoir trap under atmospheric pressure? It holds about 9L and has a small 3/8" tube and I'm trying to find a formula that can give the amount of time it would take to drain it.

Hello, Does anyone know of any good sites that show the viscosity of diesel fuel and #2 fuel oil?

Hi, Does anyone have a pdf file or link to a site containing a chemical resistance guide for technopolymers such as: PEI (Polyeterimmide), PPS (Polyphenylene-sulfide), PPOm (modified Polyphenile oxide),PSU (Polysulphone), PVDF (Polyvinyldenfluoride), PP (Polypropylene), PEEK (Polyarileterchetone)