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Thank you for the replies. Please note that the nitrogen sparging is not our primary method of removing oxygen from the water. The problem comes when we need to use makeup water from the tank which is open to atmosphere and contains around 8 ppm oxygen while the water that it mixes with...

Does anyone know of a standard for how much nitrogen is required to bubble through a unit of water in order to effectively remove oxygen from the water? Trying to decide on an appropriate flow rate of nitrogen through a bulk water tank in order to reduce oxygen pitting in components downstream...

Looking to convert Circulating Water Vertical Pumps and Circulating Water Makeup Vertical Pumps from fluid injected seals to waterless mechanical seals to save on water usage. I was wondering whether the technology is sound and whether or not anyone has had experience with the waterless seals...

What is everyone's opinion on waterless seals? Any tips on where to find information on them and which vendors to look for? Thanks, Dan

It's a coal-fire plant with a tri-sector rotary air preheater. The cold end corrosion is of course a bigger issue but upon startup there is a potential for fire, and I guess thats where the need for the detection system comes. The in-line infrared detectors aren't functional anymore and we...

Can anyone tell me where I could find some information/options for fire detection or "hot spot" detection systems for Ljungstrom Air Heaters? The infrared detectors aren't doing the job so I'm thinking of switching to a stationary thermocouple design. Any help would be appreciated. Thanks, Dan