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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

About Us

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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why our boilers are designed as wet back boilers

  • Offshore price : $20000-$100000 Get a quote on the right form
  • Minimum order quantity : 1 set :why our boilers are designed as wet back boilers
  • Supply Capacity : 10 units/month :why our boilers are designed as wet back boilers
  • Manufacturer/Brand : Fangkuai boiler
  • Port : Anyang
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Popular products

HOT

θrion Gas Fired Steam Boiler

Capacity:1-20t/h

Rated thermal efficiency: 100-104%

Fixed working pressure: ≤1.6MPa

Applicable fuel:natural gas etc.

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HOT

Gas(oil) Fired Integrated Hot Water Boiler

Capacity:0.7-14MW

Rated thermal efficiency:96-98%

Fixed working pressure:≤1.25MPa

Applicable fuel:Natural gas, light oil, etc.

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HOT

H6 Gas Fired Hot Water Boiler

Capacity:0.7-2.8Mw

Rated thermal efficiency: 97.2-106%

Fixed working pressure:0.1MPa

Applicable fuel:Natural gas, etc.

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T7 Vacuum Hot Water Boilerr

Capacity:2.8-7.0Mw

Rated thermal efficiency:≥105.5%

Fixed working pressure:-0.02MPa

Applicable fuel:Natural gas, etc.

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HOT

V6 Gas Fired Hot Water Boiler

Capacity:99Kw

Rated thermal efficiency:97.2-104.4%

Fixed working pressure:1.0MPa

Applicable fuel:Natural gas, etc.

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HOT

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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  • Boiler Rental - Powerhouse Boiler Equipment

    The turnaround design utilized in the boiler further classifies firetube boilers as dry back, wet back, or semi-wet back. The difference in turnaround design stems from the utilization of water surrounding the rear wall (wet back) or the utilization of refractory (dry back).Get Price

  • WNS gas oil fired boiler, WNS fire tube boiler, steam/hot

    WNS fire tube boiler, WNS means horizontal type furnace combustion boiler with gas/oil burner. Its fire-tube boilers and flue gas three pass boiler, special wet back structure make sure long using lifespan. Advantages WNS boiler features . 1. Safety Control Boiler & …Get Price

  • Firetube Wet Back HPS Boiler - GrabCAD: Design Community

    Jun 22, 2017 · The Computer-Aided Design ("CAD") files and all associated content posted to this website are created, uploaded, managed and owned by third-party users. Each CAD and any associated text, image or data is in no way sponsored by or affiliated with any company, organization or real-world item, product, or good it may purport to portray.Get Price

  • Firetube Boiler Design & Operation - Industrial Boiler

    A wet-back firetube boiler uses a water cooled turn around zone (end closure). A dry-back design relies on fire brick or refractory lining to prevent the end closure from overheating. Firetube boilers cost typically less up front than watertube boilers, and offer lower operating costs when compared to a similarly sized watertube boiler.Get Price

  • Boiler Manufacturer Philippines Ranked No 1 - Avlon Inc

    This is a steam boiler with 3 pass conventional wet back design shell type. It can also be customized to a completely skid mounted unit on customer demand. When fitted with a special burner, these boilers are ideal for burning waste gases like biogas from decomposition of organic matter in distilleries, corex gas from the steel manufacturing Get Price

  • Firetube Wet Back HPS Boiler - GrabCAD: Design Community

    Jun 22, 2017 · The Computer-Aided Design ("CAD") files and all associated content posted to this website are created, uploaded, managed and owned by third-party users. Each CAD and any associated text, image or data is in no way sponsored by or affiliated with any company, organization or real-world item, product, or good it may purport to portray.Get Price

  • Scotch marine boiler - Wikipedia

    A "Scotch" marine boiler (or simply Scotch boiler) is a design of steam boiler best known for its use on ships. Sectional diagram of a "wet back" boiler. The general layout is that of a squat horizontal cylinder. One or more large cylindrical furnaces are in the lower part of the boiler shell. Above this are many small-diameter fire-tubes.Get Price

  • Best Outdoor Wood Boiler

    A gasification design without the jet-engine style burner which requires wood that has less than 20% moisture content. Our furnaces and boilers are designed so that the chimney drops down into the firebox 14"; trapping the heat, smoke but most importantly the gases in the firebox to be burned off every time it fires.Get Price

  • WET-BACk/DRY-BACk FIRETUBE BOILERS - KF Industrials

    boilers are offered in either a 4-pass wet-back (4WI) or a dry-back design (CBLE), both of which come with an integral burner. It's a boiler package designed for long life, highest fuel to steam/water efficiency, maximum safety, lowest emissions, quiet operation, ease of maintenance, and the flexibility to add desired optionsGet Price

  • Boiler Flues - Ultimate Guide with Boiler Flue Regulations

    Nov 05, 2019 · Boiler flues are fitted when using combi, regular, and system boilers. The only exception that may apply to a small number of homeowners is a back boiler. This is a type of boiler that is fitted behind a fireplace. If you have a gas boiler behind your fire, the emissions will exit through your chimney, rather than via a boiler flue.Get Price

  • Hurst Boiler & Welding Co., Inc.: WET-BACK BOILER | ACHR News

    Mar 22, 2001 · The four-pass wet-back design eliminates refractory baffles between flue gas passes; there are no refractory doors to replace or maintain, reducing maintenance, says the company. Built for optimum fuel efficiency, the fourth pass extracts every Btu of spent energy that would otherwise be vented to the stack of dry-back boilers, the company says.Get Price

  • Boiler Rental - powerhouse.com

    This PFTA is a four-pass wet-back firetube boiler, constructed to ASME Section I code and utilizes 5 sq ft of surface area per boiler horsepower. This boiler was purchased by Powerhouse from a customer who was replacing these boilers with new ones. This boiler has since been fully reconditioned and tested for a new customer.Get Price

  • Why are Steam Boilers widely used? - Thermodyne Boilers

    Hot water boilers are usually completely filled with water during operation. Steam boilers on the other hands are usually 3/4th filled with water, the upper quarter is the steam space. How Industrial Boiler System Works. The heart of an industrial boiler system is a hot water or steam boiler operated with a certain kind of fuel.Get Price

  • Boiler - an overview | ScienceDirect Topics

    James G. Speight, in Reaction Mechanisms in Environmental Engineering, 2018 5.2.3 Boiler Slag. Boiler slag is a byproduct produced from a wet-bottom boiler, which is a special type of boiler designed to keep bottom ash in a molten state before it is removed. These types of boilers (slag-tap and cyclone boilers) are much more compact than pulverized coal boilers used by most …Get Price

  • Horizontal Style 3 Pass Wet Back Boiler

    Why Our Boilers Are Designed As Wet-Back Boilers: Dry-Back WNS gas and oil fired boiler has a full wet back radiant heat transfer area that promotes superior internal water circulation and rapid heat absorption, rear tube sheet, and allows tubes to expand and contract at its own rate without tube sheet stress.Get Price

  • difference between dry and wet pack boilers – Boiler Sale

    May 13, 2016 · Why we design wet-back boilers. Those frustrating problems brought by dry-back boilers can be resolved by our WNS Wet-back designed boilers. WNS gas and oil fired boiler has a full wet back radiant heat transfer area that promotes superior internal water circulation and rapid heat absorption, rear tube sheet, and allows tubes to expand and contract at its own …Get Price

  • Guide To Back Boiler Stoves - Direct Stoves Resources

    Nov 19, 2017 · Boiler manufacturers boast an 80% efficiency rating on most oil-fed models, as the boiler can improve efficiency by acting as a heat-sink to extract more heat from the flue system, which otherwise could be lost. Upgrades and improvements over the years have made many back boilers equal to or more efficient than other heating devices.Get Price

  • Three Pass Fully Wet Back Boiler – CFBC Boiler Manufacturer

    The design of the wet back boiler can be frustrating for Boilermakers due to the limited access to install tubes in the combustion return area of the boiler. The limited space in wet back boilers makes it necessary to choose alternative methods of tube installation. Depending upon the physical size of the Boilermaker and the power source to drive the repair tools, the tools to …Get Price

  • wet base boiler - HVAC-Talk: Heating, Air & Refrigeration

    Apr 09, 2012 · Wet base is a boiler which has water in the cast iron sections, under the combustion area. As the name implies. Other wet leg types are steel like Energy Kinetics. They have water surrounding the combustion chamber. Wet leg boilers have, legs on either side of the boiler, that are part of the cast iron sections.Get Price

  • Why Our Boilers Are Designed As Wet-Back Boilers: Dry-Back

    Wetback vs Dryback firetube boiler designGet Price

  • Off The Wall: Steam boilers and wet returns | Plumbing

    Sep 01, 2012 · As it stands now, the wet returns are mostly above the existing boiler water line. They are pitched ever so slightly, as noted in my first post. These returns average at a good 4 ft. above the ground for a good portion of their travel back to the boiler. I don't know how high the boiler would need to be placed to achieve the same result.Get Price

  • Shell Boilers - Spirax Sarco

    This design has evolved as materials and manufacturing technology has advanced: thinner metal tubes were introduced allowing more tubes to be accommodated, the heat transfer rates to be improved, and the boilers themselves to become more compact. Typical heat transfer data for a three-pass, wet back, economic boiler is shown in Table 3.2.3.Get Price

  • Why Are Modern Boilers More Environmentally Friendly

    Modern boilers are designed to burn their fuels highly efficiently, and even though they aren't perfect, their emissions and efficiency standards are light years ahead of models from 10 or 20 years prior. Considering heating accounts for around 55% of your total energy bill spend on the year, you can get an idea of how important boiler Get Price

  • Boiler Manufacturer Philippines Ranked No 1 - Avlon Inc

    This is a steam boiler with 3 pass conventional wet back design shell type. It can also be customized to a completely skid mounted unit on customer demand. When fitted with a special burner, these boilers are ideal for burning waste gases like biogas from decomposition of organic matter in distilleries, corex gas from the steel manufacturing Get Price

  • Basics of hot water heating boilers - Specifying Engineer

    Sep 18, 2020 · The back of the boiler is constructed with a refractory lined door (dry back) or water filled (wet back). The wet back boiler is more difficult to construct and requires extra seals, so it is more expensive, but the increased …Get Price

  • Steam Boiler Manufacturer in Bangladesh - Thermodyne Boiler

    3 Pass Wet Back /Dry Boiler. Buy Intech model- 3 Pass Internal Furnace Packaged Boiler. It is a conventional 3 pass smoke-tube design, designed for the combustion of coal and wood in an internal furnace.Get Price

  • three pass wet back boiler cost-Zhengzhou Boiler CO.,LTD

    WHY IS A WETBACK DESIGN BETTER? As indicated in the drawing, a three-pass wetback design has a rear water wall, which separates the primary heating surface of the combustion chamber from the rear tube sheet. The water jacket eliminates the need for a refractory wall and rear door swing space behind the boiler, as well as costly refractory maintenance.Get Price

  • Firetube Boilers - National Board of Boiler and Pressure

    Firetube boilers can be constructed in different configurations. The most common designs are: Horizontal Return Tubular (HRT) – this is an old and very simple design which is still being manufactured. The boiler consists of a shell, a tube sheet on each end of the shell, and tubes connecting the two tube sheets.Get Price

  • WETBACK DESIGN vs HARD REFRACTORY DRYBACK DESIGN

    Nov 28, 2017 · The typical design is the "wet back", HIGH EFFICIENCY, LOW EMISSIONS WET-BACk/DRY-BACk FIRETUBE BOILERS Models 4WI and CBLE Steam & Hot Water 100-800 HP. The wet back boiler design uses separate tube sheets between tube passes which can be more forgiving with load changes. Wetback firetube boilers dry back boiler.Get Price

  • WEt-BaCk/Dry-BaCk FIrEtuBE BoILErs - Cleaver-Brooks

    boilers are offered in either a 4-pass wet-back (4WI) or dry-back design (CBLE), both of which come with an integral burner. It's a boiler package designed for long life, highest fuel to steam/water efficiency, maximum safety, lowest emissions, quiet operation, ease of maintenance, and the flexibility to add desired optionsGet Price

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