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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

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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:

wns steam boiler detail.jpg

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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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