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You are here: Home » Products » Steam Boiler » Gas/Oil Steam Boiler » WNS horizontal gas/oil steam boiler » WNS Horizontal Wet Back Steam Boiler
WNS Horizontal Wet Back Steam Boiler WNS Horizontal Wet Back Steam Boiler
WNS Horizontal Wet Back Steam Boiler WNS Horizontal Wet Back Steam Boiler
WNS Horizontal Wet Back Steam Boiler WNS Horizontal Wet Back Steam Boiler
WNS Horizontal Wet Back Steam Boiler WNS Horizontal Wet Back Steam Boiler

WNS Horizontal Wet Back Steam Boiler

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Use international most mature three-pass all wet back structure,safety and reliable .Use waveform furnace ,strengthens the disturbance of the smoke and increases the radiation heat transfer area ;enhance heat transfer and promote the combustion of fuel in the furnace.

  • WNS
  • 1t/h
  • 20t/h


wns 2.jpg•     Sweeping function after preset can improve working conditions of burner and extend its service life
•     The unique design of the large burning chamber can increase the radiation of hearth heating area and reduce the volume of the boiler and NOx emissions;
•      Smoke pipes box around boiler uses multi-level sealing approaches, which is easy for maintenance of the smoke box;
•      Furnace pipe is arranged low with a large range of water level safety. Steam evaporation surface is large, with high quality steam.
•    With a variety of alarm interlock devices to ensure efficient, safe, reliable operation of the boiler.
Whole Picture Appreciation:

Real shot drawing

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Product Parameter List:



Type         WNS0.5WNS1WNS1.5WNS2WNS3
Rated evaporationt/h0.511.523
Rated working pressure
MPa0.7/1.0/1.25        1.0/1.25/1.6/2.5
Staturated steam temperature
170/184/193        184/193/204/226
Fuel consumptionLight diesel oilkg/h3570105140210
Natural gasNm3/h4080120160240
Liquefied gasNm3/h1530456090
Pipeline gasNm3/h85170250340510
Main valve caliberDN4065658080
Safty valve caliberDN40505040×240×2
Infall caliberDN2525404040
Sewage valve caliberDN4040405050
Chimney caliberDN250        300350400450
Overall sizeLmm3800        4500470048005500
        L1mm3100        3200360038004500
        Wmm1900        2300280029002900
        W1mm1000        1880190021502350
        Hmm2100        2680295032503880
        H1mm1800        1980207022502450
WeightT         3.3/3.6/3.94.6/5/5.4/65.5/5.9/6.3/6.86.3/7/7.5/8.210.6/11.2/12/13


Type         WNS4WNS6WNS8WNS10
Rated evaporationt/h46810
Rated working pressureMPa1.25/1.61.25/1.61.25/1.61.25/1.6
Staturated steam temperature193/204193/204193/204193/204
Fuel consumptionLight diesel oilkg/h260390520650
Natural gasNm3/h280420560700
Liquefied gasNm3/h120180240300
Pipeline gasNm3/h680102013601700
       Main valve caliberDN100125150150
       Safty valve caliberDN50×265×280×280×2
       Infall caliberDN50506565
       Sewage valve caliberDN50505050
       Chimney caliberDN500650800900
       Overall size        Lmm6310720077808330
       We can provide customized products for specific power supply in the world.



Product Flow Chart:

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Product Detail Analysis:

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Engineering Case:
The following cases are Wilford own cases, absolutely true and reliable
case 1 case 2

For more cases, click " here " or "MARKET" - "Project case"


Technological Process:

Packaging & Shipping:


Our Customer:

Our Services:
For each user, we have detailed understanding and analysis of their different production environment and the shortage of the products, so that to provide reasonable technical solution and timely after-sales service.We attach great importance to the effective operation of boiler product system to provide customers with solutions to problems, at the same time to sent experienced engineer to on-site guidance.The company has accumulated rich experience in the scene to deal with problems,which provides strong technical support and perfect after-sales service to the equipment we manufactured.Only users success is our success
Company Information:

Wilford occupies market by good quality and gets respect by good faith.Wilford Thermal has B class special equipment manufacturing license.the certification of ISO9001 quality system.the Famous brand product of SuZhou,the certifications of satety radiancy license.Meanwhile Wilford gets authorization of patent rights of high-tech products and keeps increasing.Wilford Thermal insists on R&D as company development's core.

Established in 1998, Zhangjiagang Wilford Thermal Co.,Ltd. Is specialized in the production of oil, gas, electric heating steam boilers, hot water boilers, biomass-fired boilers and other energy saving and environmental-protective equipment, which is a licensed B-class boiler manufacturer with the U.S.ASME(American Society of Mechanical Engineers) factory authentication and ISO9000:2008 quality system certification.

Contact Us: 
No5,Nanyuan Road Economic Development Zone, Zhangjiagang
Tel: +86-512-5817 0166
Fax: +86-512-5869 8850
WhatsApp: +86 136 0156 8070
WeChat: 136 0156 8070



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Address: No5, Nanyuan Road Economic Development Zone, Zhangjiagang
Tel: +86-512-5817 0166
Fax: +86-512-5869 8850
Email: manager@wilfordboiler.com
WhatsApp:+86 136 0156 8070
WeChat: 136 0156 8070



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