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Thanks for the great links Valvetech. Ill look around.

Hey, if I have a water fall in my pond, on a small pump, can I get a valve which could control the rate of flow to the waterfall using a simple light dimmer type input? Does such a items exist or will I need to by a high end valve that is a 4-20ma or 0-10V control and then "create" the...

What is the output of an HID lighting ballast? My understanding is it’s a high freq type AC with high starting voltage, and then a voltage that adjusts as the light heats up, I assume still AC of some high freq? Is this correct? The main (not only) reason I ask is this: we have ballasts and...

Correcting power factor is a great way to reduce bills, by avoiding penalties. Also, depending on who your power authority is and how they bill, there is usually a peak usage charge, which large motors can create large peak usages when they start. If you have any large HP motors not on drives...

What are the tanks made out of?

Online some VFD suggestions (how to do various applications like like multiple motors) can be found on www.saftronics.com www.drivesmag.com offers a forum on VFD's And I dont know about online but AB actually has a program that is a training course on VFD and motors, I got it about 2 years ago...

I agree, its a triac.

I dont know of any standard, Ill look into the one David mentions above. For push buttons and opperator devices, ussually each customer we have (IP,LP,Roseburg-Forest,Carter-holt ETC) have a standard for all their plants, but they are not the same as each other. Even Emergency stop, which is...