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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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  • Offshore price : $20000-$100000 Get a quote on the right form
  • Manufacturer/Brand : Fangkuai boiler
  • Port : Anyang
  • payment terms : Letter of Credit, Wire Transfer, VISA

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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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  • Beyond Primary / Secondary Piping - Caleffi

    The temperature returning to the boiler (T 3) can be calculated with: Where: T3 = temperature of fluid returned to boiler(s) (°F) f1 = flow rate entering from boiler(s) (gpm) f2, f4 = flow rate of distribution system (gpm) T1 = temperature of fluid entering from boiler (°F) T4 = temperature of fluid returning from distribution system (°F) = =Get Price

  • Weil Mclain Boiler Thermostat Wiring -

    Oct 24, 2018 · View. Baseboards. Weil-McLain provides a variety of boiler controls and zone controls to help optimize boiler operation and temperature control. View. Discontinued Products. I have a weil mclain steam boiler. PEGA-S-PI, nat gas, single pipe/zone. Trying to wire up a wifi tstat with a C wire.Get Price

  • Multiple boiler controls & efficient boiler systems

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  • Central Heating Controls and Zoning - DIYWiki

    This achieves a similar level of control as a Y plan system, but allows for further expansion into multiple heating zones at a later date (say to include discretely controlled under floor heating). One complication of a S-Plan system is that the boiler will need a separate bypass to allow water to pass through the system when all the valves are Get Price

  • US3576177A - Multiple-boiler temperature control system

    The invention is a multiple-boiler system having N boilers with sequencing control. Each boiler has modulating control by way of control of a gas valve. The boilers are brought on in sequence, or fired in sequence in response to load requirements, each boiler being modulatingly controlled while on. The control is from boiler outlet temperature, reset by outdoor temperature.Get Price

  • Options for multiple boiler plants - HPAC Magazine

    Aug 01, 2011 · Multiple Boiler Controllers. I am working on the design where we are putting in (3) new steel fire-tube steam boilers, each 86 boiler hp. The Owner is interested in having the successful temperature controls contractor (TCC) provide the controls and programming to stage the (3) boilers to maintain a steam header pressure and to rotate the boilers. Does anyone …Get Price

  • Water Handbook - Boiler Blowdown Control | SUEZ

    Blowdown control. Boiler blowdown is the removal of water from a boiler. Its purpose is to control boiler water parameters within prescribed limits to minimize scale, corrosion, carryover, and other specific problems. Blowdown is also used to remove suspended solids present in …Get Price

  • How to set and adjust the boiler pressure control?

    Feb 26, 2019 · If your boiler has a multiple position burner, that adds an additional wrinkle to setting the pressure controls. These multi-input burners have an additional pressure control called the Firing Rate control. If the boiler has this type of burner, I will set the firing rate control for the desired pressure, ten psig.Get Price

  • Design of Dual-Return Boiler Systems | HPAC Engineering

    Jan 10, 2017 · To experience up to an additional 2-percent improvement in efficiency, oxygen- (O 2-) trim technology can be integrated into boilers implemented in a dual-return system. Part of advanced combustion-control systems, O 2 trim automatically maintains precise air-fuel ratios for peak efficiency, low emissions, and maximum uptime reliability. It is Get Price

  • Creating Multiple Water Temperatures in Hydronic …

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  • Industrial Boiler Control Burner Management System

    Boiler Control Systems Engineering. Temperature Control Systems is a full line stocking distributor of commercial and industrial HVAC controls, burner/boiler controls, and building automation systems. Since its beginning, Temperature Control Systems has grown into a multi-branch, nationwide. Read MoreGet Price

  • tekmar Glossary - Watts

    If the boiler is also using a reset control for space heating, the water temperature may be below the temperature required for DHW operation due to the current heating curve or WWSD setting. Therefore the control must override the outdoor reset and increase the boiler temperature.Get Price

  • Modern HydronicSystem Designs for Condensing Boilers

    • Effective Control of Modular Boilers –Sequencing and staging logic should be designed • Boiler return temperature is greater than system return temperature –Common on constant speed boiler pump, variable –Multiple heating loads (zones) Monday, December 01, 2014 Modern Hydronic Designs For Condensing Boilers 25 Get Price

  • Optimizing the Performance of Radiant Heating Systems

    Jul 01, 2008 · Non-condensing boilers typically have a minimum return-water temperature to prevent flue-gas condensation and premature failure caused by corrosion. With multiple-boiler systems, a boiler-sequencing strategy should take advantage of the efficiency profile of the equipment. A condensing modulating boiler typically achieves its highest efficiency Get Price

  • Low Water Cutoff Controls: Guide to LWCOs on hot water

    In short, LWCOs are among multiple heating system safety controls that help prevent a boiler explosion or BLEVE See BLEVE EXPLOSIONS. Low Water Cutoff - LWCO's On heating boilers: this steam heating boiler safety device contains a mechanical or electronic sensor to monitor water level in the boiler.Get Price

  • Multiple Boiler Controllers — Heating Help: The Wall

    Using multiple boilers, the control system would bring the boilers on one at a time as the load demands increase, until all boilers are on the line under extreme conditions. This method of sequencing or staging has a number of advantages, including that of minimizing boiler on-off cycles; achieving fuel savings associated with the operation and making possible better …Get Price

  • How to Destroy a Boiler -- Part 1

    The control of the boiler drum level is tricky and even the best tuned control systems cannot always prevent a low-water condition. The "water level" in a steam drum is actually a fairly unstable compressible mixture of water and steam bubbles that will shrink and swell with pressure changes and will actually shrink momentarily when more "cold Get Price

  • SYSTEM 2000® FRONTIER - Energy Kinetics

    This manual covers the Energy Kinetics System 2000 Frontier Boiler. The boiler is designed and equipped and has been tested to generate hot water in a low pressure closed loop system. The boiler is a major component of a closed loop system that can be used as a heat source for hydronic, radiant, domestic hot water, spa, and/or pool heating systems.Get Price

  • Industrial Boiler Control Burner Management System

    Boiler Control Systems Engineering. Temperature Control Systems is a full line stocking distributor of commercial and industrial HVAC controls, burner/boiler controls, and building automation systems. Since its beginning, Temperature Control Systems has grown into a multi-branch, nationwide. Read MoreGet Price

  • Gas-Fired Boilers - Code Compliance Brief | Building

    Each thermostat controlling the primary heating and cooling system should be a programmable thermostat. Hot water boilers that supply heat to the building through one- or two-pipe heating systems should have an outdoor reset control that lowers the boiler water temperature based on the outdoor temperature per R403.2/N1103.2. Equipment Sizing.Get Price

  • Common Steam Boiler Problems & How to Troubleshoot Repairs

    Due to the labor required to remove leaking parts of your boiler system, replacing multiple elements at once may be more cost-effective than having the leaks fixed piecemeal. This price savings is especially true if you have numerous holes …Get Price

  • Aquastat Temperature Control Quality Boiler Tips 101

    The sensor senses the temperature. Based on the aquastat setting, this will limit the high temperature in the boiler to prevent overheating. The cutoff temperature for most hot water boilers is 180° F. There is a differential setting to make sure the boiler does not short cycle or run unnecessarily. Low Limit - The low limit has two purposes.Get Price

  • A Homeowner's Guide To Heating Controls

    4. Do you have temperature control on your boiler? 5. Have you time control on your boiler that you can set for different days of the week? 6. Have you a separate temperature control for your hot water cylinder? 7. Have you a separate time control on your hot water cylinder? Choosing and installing heating controls should not proveGet Price

  • Steam Temperature Control | Control Notes

    Sep 08, 2010 · Steam Temperature Control. September 8, 2010. Steam temperature is one of the most challenging control loops in a power plant boiler because it is highly nonlinear and has a long dead time and time lag. Adding to the challenge, steam temperature is affected by boiler load, rate of change of boiler load, air flow rate, the combination of burners Get Price

  • Best Practices in Modern Hydronic Heating - AN OVERVIEW

    with cast-iron sectional boilers, and most fire tube boilers allows full system flow to pass through boiler. 0 5 10 15 20 25 0 2 4 6 8 10 12 pressure drop (psi) flow rate (gpm) 100,000 Btu/hr ! compact mod/con 100,000 Btu/hr ! cast-iron sectional VENT conventional boiler! with low flow resistance Conventional boilersGet Price

  • Understanding primary-secondary pumping

    Jun 23, 2014 · There's nothing worse than hitting a hot boiler with cold return water. Primary-secondary pumping lets you use small, inline circulators - even on large commercial jobs - and that's a real plus. And in a multiple-boiler system, this simple method of piping gives you a way to lower boiler standby losses and save fuel.Get Price

  • Boiler Thermostats — A Complete Guide - Ideal Heating

    Main Boiler Thermostats. In a central heating system, the main thermostat is an essential component. Without it you would have to turn your heating on and off multiple times a day to try to keep the temperature in the home reasonably constant. You'd probably end up going to bed with the heating on full for eight hours every night!Get Price

  • Industrial Boiler Control Burner Management System

    Boiler Control Systems Engineering. Temperature Control Systems is a full line stocking distributor of commercial and industrial HVAC controls, burner/boiler controls, and building automation systems. Since its beginning, Temperature Control Systems has grown into a multi-branch, nationwide. Read MoreGet Price

  • Gas Boiler Controls Wiring & Application Guide

    3.0 IQ Gas Boiler Control System, Outdoor Reset Card High Temperature Limit, Low Water Cut-Off protection, and Outdoor Air Reset. There's an IQ Option Card for each feature. Option Cards simply plug into the Option Panel, and feature a one or two wire connection to a sensor. Not available with the Series 2 boiler.Get Price


    Multiple Boiler Systems - PM EngineerGet Price

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