May 20, 2015 · For a boiler rated 100 BHP: Use the formula above to convert boiler horsepower: BHP X 139 = sq ft EDR. 100×139=13900. When you calculate the amount of steam put out, you get 6.9 gpm of water as steam. Let's round that up to 7 gpm. Sizing the pump for twice the return rate means we'll size …Get A Quote
The controller then generates an output signal telling the control valve to either introduce more or less water into the boiler to maintain the steam drum water level at setpoint. As with the transmitter, the controller in this system is pneumatic, operating entirely on compressed air.Get A Quote
Dec 16, 2010 · I have a closed hot water heating system with convector baseboards and a diaphragm tank. The boiler is a Hart & Crouse Model N-112. I was told to keep the water pressure at 12 - 18 lb when COLD (don't … read moreGet A Quote
Aug 14, 2021 · Then pipe line size = Pipe ID + 2 X thickness. For feed water pipe line having above pressure needs minimum 80 schedule, so refer carbon steel pipe line chart & select the required schedule & thickness. 2. Calculate the main steam pipe line size required for connecting Boiler out let steam to distribution header.Get A Quote
Boiler feed pump flow control curve Following are the boiler feed control method in boiler house: On / Off control: In this system the pump starts and stops as per the water level in the water drum. Feed control valve: In this system boiler drum level is controlled by feed control valve, which is automatically operated by boiler pressure head.Get A Quote
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