The Warming Loop Return Water Temperature and Boiler

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  • Minimum order quantity : 1 set :The Warming Loop Return Water Temperature and Boiler
  • Supply Capacity : 10 units/month :The Warming Loop Return Water Temperature and Boiler
  • Manufacturer/Brand : Fangkuai boiler
  • Port : Anyang
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Rated thermal efficiency: 100-104%

Fixed working pressure: ≤1.6MPa

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Fixed working pressure:≤1.25MPa

Applicable fuel:Natural gas, light oil, etc.


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Rated thermal efficiency: 97.2-106%

Fixed working pressure:0.1MPa

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Rated thermal efficiency:≥105.5%

Fixed working pressure:-0.02MPa

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Fixed working pressure:1.0MPa

Applicable fuel:Natural gas, etc.


Electric Steam Boiler

Capacity:0.5-4.0 t/h

Rated thermal efficiency:98%

Fixed working pressure:≤1.25MPa

Applicable fuel:electric energy


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  • Lowering Water Temperature in Existing Hydronic Heating

    relatively high water temperatures. Almost all North American hydronic heating systems installed prior to the 1980s were supplied by boilers burning fuels such as coal, fuel oil and natural gas. With combustion temperatures in the range of 2,000ºF, it was easy to produce water temperatures of 200ºF or higher. LOWERING WATER TEMPERATURE IN Get Price

  • Flow and return differential | DIYnot Forums

    Sep 03, 2019 · Impossible to achieve more than 6deg temperature differential between flow and return (often less, when all the rad valves are open, and boiler is going full bore), and I've read somewhere (on this forum, I thought, but I can't find posting) that for condensing boilers to work at max efficiency, the temp diff should be 10-12deg or more.Get Price

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  • Infloor radiant /mixing valve clarification -

    Feb 17, 2006 · Mixing valves used for radiant have three (sometimes four) ports; basically, one port accepts the hot water directly from the boiler supply, the second port accepts cold water from the returning loop, just before it goes back into the boiler, & the 3rd port COMBINES the hot & cold to produce water at ~100 degrees to supply the in-floor radiant loop.Get Price

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    Nov 22, 2020 · The cause of this issue is usually the sensors inside the boiler that monitor the temperature of the water it is heating up. If there is a problem with these sensors, they can begin to send messages telling the boiler the water is up to temperature when it isn't. This causes the boiler to cut off and stop heating the water further.Get Price

  • Q&A: Combining Radiant and Baseboard Heat - JLC Online

    Mar 01, 1994 · Typically, the return water temperature for a gas- or oil-fired boiler should be 140°F or higher to prevent condensation. Since radiant systems operate with a return water temperature in the range of 80° to 100°F, their return water must be mixed with hotter water before it is sent back to the boiler.Get Price

  • Boiler Primary Loop. Hydronic Heating System - HouseNeeds

    Primary Loop Piping is commonly used in boiler heating systems that run needing multiple temperatures or contstant temperature at the hydronic boiler is required. Primary Loop Piping allows non condensing boilers to maintain a heat level in the boiler high enough to allow the boiler to run at its most efficient state.Get Price

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    Dec 16, 2013 · Conversely, if the hot water return temperature falls below 140 F and the boiler is a noncondensing boiler, the heat exchanger will be unable to withstand the effects of the acidic water vapor and will fail sooner than its useful life. With condensing boilers, boiler efficiency is driven by boiler load and hot water return temperature.Get Price

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  • The Steam and Condensate Loop | Spirax Sarco

    The hot gases from the burner pass backwards and forwards up to 3 times through a series of tubes to gain the maximum transfer of heat through the tube surfaces to the surrounding boiler water. Once the water reaches saturation temperature (the temperature at which it will boil at that pressure) bubbles of steam are produced, which rise to the Get Price

  • Mixing Methods with Radiant Heating Systems | Indoor

    Sep 01, 2019 · The temperature difference between the boiler loop supply and the radiant return loop is 80°F. To calculate the flow rate required; divide the BTU/H load of the radiant zone by the temperature difference (delta T) x 500. 100,000/ 80 x 500 = 2.5 gpm. 7. The required flow rate is only 2.5 gpm of 180°F boiler water.Get Price

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    Nov 23, 2011 · I have 6 zones in a 2.5 story building. The lower lever has radiant heat and the 2 other floors have baseboard heat. The boiler usually runs at 160-180 degrees and there is a mixing loop that mixes some of the return water back with the supply to feed the radiant zones.Get Price

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  • Chapter 39 study guide Flashcards - Quizlet

    A conventional boiler is designed and should maintain an operational water temperature of _______. Click card to see definition 👆. Tap card to see definition 👆. 140°f. Click again to see term 👆. Tap again to see term 👆. To avoid damage, condensing boilers are generally equipped with a secondary heat exchanger that is made of ________.Get Price

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    Pre-heating the feed water to achieve an ideal boiler feed water temperature will allow the boiler to run most efficiently as the heat input required to raise the temperature of the water up is reduced. The difference between 140°F and 180°F in boiler feed water temperature equates to about a 3-4% difference in boiler efficiency. Feed water Get Price

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  • The Steam and Condensate Loop | Spirax Sarco

    The hot gases from the burner pass backwards and forwards up to 3 times through a series of tubes to gain the maximum transfer of heat through the tube surfaces to the surrounding boiler water. Once the water reaches saturation temperature (the temperature at which it will boil at that pressure) bubbles of steam are produced, which rise to the Get Price


    What's the best temperature for a condensing boiler to be Get Price

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