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Domestic hot water and heating series: gas hot water boiler, vacuum hot water boiler, vertical atmospheric pressure hot water boiler, electric hot water boiler Factory use, high temperature steam: wns fuel gas steam boiler, szs water tube steam boiler, vertical steam boiler, electric steam boiler

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FANGKUAI is founded in 1998, which is a clean fuel boiler enterprise integrating R&D, manufacturing, sales and service. In the past 20 years of development and innovation, the company has grown into a global enterprise, and its products have been exported to more than 80 countries including Russia, Mongolia and Thailand, and have established long-lasting cooperative relations with local enterprises!

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What is the normal water level range of the boiler during

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Popular products


θrion Gas Fired Steam Boiler


Rated thermal efficiency: 100-104%

Fixed working pressure: ≤1.6MPa

Applicable fuel:natural gas etc.


Gas(oil) Fired Integrated Hot Water Boiler


Rated thermal efficiency:96-98%

Fixed working pressure:≤1.25MPa

Applicable fuel:Natural gas, light oil, etc.


H6 Gas Fired Hot Water Boiler


Rated thermal efficiency: 97.2-106%

Fixed working pressure:0.1MPa

Applicable fuel:Natural gas, etc.


T7 Vacuum Hot Water Boilerr


Rated thermal efficiency:≥105.5%

Fixed working pressure:-0.02MPa

Applicable fuel:Natural gas, etc.


V6 Gas Fired Hot Water Boiler


Rated thermal efficiency:97.2-104.4%

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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  • Steam Power II Test #3 Flashcards - Quizlet

    a) increased boiler water compound level in the boiler with the affected desuperheater b) increased concentration of dissolved oxygen in boiler water c) inability to maintain control of boiler water suspended solids d) inability to maintain proper boiler water pH or phosphate levelsGet Price

  • Boiler Water Tests - Viking Water Technology, Inc.

    May 04, 2016 · Boiler pH should be kept between 10.5 and 12.5. Below 10.5, there is insufficient protection from corrosion and hardness compounds are not precipitated in the desired, free-flowing form. Above 12.5 there is the possibility of caustic embrittlement and carryover. Condensate pH should be kept between 8.0 and 8.6.Get Price

  • PERATION T Steam Boilers - Flexible Water Tube Boilers

    The water level in the low water cut-off's chamber will mimic the water level in the boiler. As the water level drops in the boiler during steaming, the level in the chamber, and the cut-off's float drops with it. Should the float drop to the boiler's critical low water cut-off point, theGet Price

  • pH Treatment -

    Caustic soda (NaOH) is the only normal boiler water constituent that has high solubility and does not crystallize under typical boiler conditions. Its caustic concentration can be as high as 10,000-100,000 ppm. Careful control of boiler water chemistry can prevent caustic gouging. If the "free hydroxide alkalinity"Get Price

  • In large boilers, the water level is monitored

    Answer (1 of 4): These days, generally all Boilers are controlled and monitored through DCS (Distributed Control System). However, those plants who have not got DCS controlling yet; control their Boilers through Single-loop / Multi-loop Indicating Controllers. With the extinction of Pneumatic SigGet Price

  • Gas Turbine Plant and Steam Power Plant Flashcards | Quizlet

    What is the average fuel-oil temperature range of the oil in the discharge line to the boiler? 180 - 200 deg F The lowest permissible water level of a boiler without internal furnace is __________ the height of the shell.Get Price

  • BLUE = -GUIDE - Hydrolevel

    the water level to approximately 1/2" below the probe. 2. Press the FEED button on the water feeder and, using a watch with a second hand, time how long it takes boiler water to reach the normal operating level (Usually the middle of the gauge glass unless otherwise specified by the boiler manufacturer). 3.Get Price

  • Gas Turbine Plant and Steam Power Plant Flashcards | …

    Dec 30, 2019 · Most boilers are safe up to around 30 psi, at which point seals can begin to fail. Modern boilers aren't nearly as dangerous as early steam engines, but you can still damage them and require costly repairs. Provided your boiler stays in the 12-30 psi range, you're in …Get Price

  • Water Levels in Steam Boilers | Spirax Sarco

    In Boiler Safety, Water Level Is Critical - EHS Daily AdvisorGet Price

  • Proper Boiler Feed Water Temperature Management - Powerhouse

    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.Get Price

  • What is the importance of water quality - FangKuai Boiler

    Dec 09, 2020 · (1) Boiler water must be inspected and meet national regulations before it can be supplied to boilers. (2) When the boiler is running, it is necessary to ensure that the boiler water is at a normal water level to avoid excessively high boiler water level to reduce steam space, and then the phenomenon of steam with water.Get Price

  • What are Appropriate Boiler Blowdown Design Parameters

    Jun 19, 2019 · – The National Board Rules and Recommendations for the Design and Construction of Boiler Blowoff Systems states blowoff tanks, more often called blowdown tanks, should be sized with a holding capacity at least equal to the volume of water removed from the boiler when the normal boiler water level is reduced by 4 inches.Get Price

  • What does the hot water boiler need to start

    After the water injection of the system is completed, the water level of the boiler is adjusted to a normal condition to ensure that the performance of the easy-to-use hot water boiler is fully utilized. 2. Pay attention to check before ignition. Before igniting the hot water boiler, it is necessary to check every auxiliary equipment of the boiler.Get Price


    If makeup is demineralized water at 4.14 MPa (600 psig) to 6.89 MPa (1000 psig), boiler water alkalinity should be that in table for 6.90-10.34 MPa (1001-1500 psig) range. e Refers to free sodium or potassium hydroxide alkalinity.Get Price

  • Monitoring Water Levels in Steam Boiler - Boilers and

    Oct 28, 2021 · Water level indication is relevant to steam boilers that facilitate water level detection. It applies to most steam boilers except coil-type boilers that do not include steam drums. In such boilers, steam outlet temperatures that exceed the predetermined value indicate the inadequate water input in the boiler.Get Price

  • Water Handbook - Preboiler & Industrial Boiler Corrosion

    The boiler water should be tested weekly with treatment added as necessary to maintain treatment levels. When chemicals are added, they should be mixed by one of the following methods: circulate the boiler water with an external pump; reduce the water level to the normal operating level and steam the boiler for a short timeGet Price


    May 02, 2000 · boiler water chloride level should be monitored to ensure the blow down rate is correct. If the chloride level is higher than the recommended maximum, more blow down is needed. If it is low, excess blow down is occurring, resulting in wasted chemicals, water, and heat energy. In some cases the chloride level never approaches the recommendedGet Price

  • McDonnell & Miller General Catalog

    The water level in the low water cut-off's chamber will mimic the water level in the boiler. As the water level drops in the boiler during steaming, the level in the chamber, and the cut-off's float drops with it. Should the float drop to the boiler's critical low water cut-off point, theGet Price

  • IS 10496 (1983): Feed Water, Boiler Water and Condensate

    1.1 This standard prescribes requirements for feed water, boiler water and condensate for water-tube boilers, and requirements for feed water for once- through boilers. 1.1.1 The requirements prescribed are for boilers operating at pressures above 5.9 MN/m9 ( 60 kg/cm2) during normal operation of the unit withGet Price

  • How to Set Hot Water or Steam Heating System Pressure

    The cold water pressure of our boiler heating system is zero. But the hot water pressure is 50 PSI and hot water temperature is 220 F. We just changed a new PRV and Expansion Tank. But the problem persists. Thanks for help. On Liming - by (mod) - Normal hot water heating system boiler oressure when cold is about 12 psi. Call for repairGet Price

  • What is the normal water level range of the boiler during

    Specifically, these four categories areGet Price

  • The Normal PSI Reading for a Hot Water Boiler System | …

    The gauge glass device, which has stood the test of time, is used on the vast majority of boilers and is usually arranged to give a visible range of water level above and below the normal water level. It is essential to understand what is seen in a boiler gauge glass.Get Price

  • What is the function of boiler water level gauge? - Boiler

    Remote Water Level Indicator for BoilersGet Price

  • Boiler Water Level Control System Example | Introduction

    An important variable to measure and control in a continuous boiler is the level of water in the "steam drum" (the upper vessel in a water-tube boiler). In order to safely and efficiently produce a continuous flow of steam, we must ensure the steam drum never runs …Get Price

  • Steam Boiler Questions and Answers - Steam Esteem

    Question: Fluctuating boiler water level The feed water control valve is fully open and the water levels fluctuate at normal boiler load. Answer: Check if: the control valve really is fully open by means of the hand-manoeuvre device. all stop valves in the line are fully open. the suction filter to the feed water pump is satisfactory clean.Get Price

  • McDonnell & Miller General Catalog - National Pump Supply

    The water level in the low water cut-off's chamber will mimic the water level in the boiler. As the water level drops in the boiler during steaming, the level in the chamber, and the cut-off's float drops with it. Should the float drop to the boiler's critical low water cut-off point, theGet Price

  • Boiler Water - an overview | ScienceDirect Topics

    Low Water Cutoffs – What Can I do to Prevent A Low Water Get Price

  • What Your Boiler Pressure Should Be When It's Heated

    Maintaining the pH of boiler water in the range of 9–11 decreases the rate of corrosion; 9.2 to 9.8 is ideal. In low-pressure steam or hot water heating systems, nitrite or chromate provides a protective film on metal surfaces.Get Price

  • Burnham water level fluctuation - Heating Help: The Wall

    The water is starting to be "pushed out" of the boiler at around 2 pounds, which doesn't seem to be all that high (to me), and the 5 - 6 inch drop in water level takes about a minute, maybe 2 at max. So, from your boil off calcs, it certainly doesn't …Get Price

  • (PDF) Water Level Deviation Analysis of Levels Between Two

    of COG flow is 13 KNM 3 /h. During the time selected for analysis, th e trend of boiler. drum water leve l on both sides is shown in Fig. 6. From the …Get Price

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